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10.5k
S0554
uses
T1049
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) can enumerate all connected drives.(Citation: NHS Digital Egregor Nov 2020)"}
S0554
uses
T1033
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has used tools to gather information about users.(Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1105
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has the ability to download files from its C2 server.(Citation: Cybereason Egregor Nov 2020)(Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1685
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has disabled Windows Defender to evade protections.(Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1497
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has used multiple anti-analysis and anti-sandbox techniques to prevent automated analysis by sandboxes.(Citation: Cyble Egregor Oct 2020)(Citation: NHS Digital Egregor Nov 2020) "}
S0554
uses
T1574.001
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has used DLL side-loading to execute its payload.(Citation: Cyble Egregor Oct 2020) "}
S0554
uses
T1486
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) can encrypt all non-system files using a hybrid AES-RSA algorithm prior to displaying a ransom note.(Citation: NHS Digital Egregor Nov 2020)(Citation: Cybereason Egregor Nov 2020) "}
S0554
uses
T1069.002
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) can conduct Active Directory reconnaissance using tools such as Sharphound or [AdFind](https://attack.mitre.org/software/S0552).(Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1218.010
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has used regsvr32.exe to execute malicious DLLs.(Citation: JoeSecurity Egregor 2020)"}
S0554
uses
T1071.001
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has communicated with its C2 servers via HTTPS protocol.(Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1219
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has checked for the LogMein event log in an attempt to encrypt files in remote machines.(Citation: Cyble Egregor Oct 2020)"}
S0554
uses
T1059.003
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has used batch files for execution and can launch Internet Explorer from cmd.exe.(Citation: JoeSecurity Egregor 2020)(Citation: Cybereason Egregor Nov 2020) "}
S0554
uses
T1484.001
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) can modify the GPO to evade detection.(Citation: Cybereason Egregor Nov 2020) (Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1055
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) can inject its payload into iexplore.exe process.(Citation: Cyble Egregor Oct 2020)"}
S0554
uses
T1059.001
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) has used an encoded PowerShell command by a service created by [Cobalt Strike](https://attack.mitre.org/software/S0154) for lateral movement.(Citation: Intrinsec Egregor Nov 2020)"}
S0554
uses
T1082
attack
id
{"description":"[Egregor](https://attack.mitre.org/software/S0554) can perform a language check of the infected system and can query the CPU information (cupid).(Citation: JoeSecurity Egregor 2020)(Citation: NHS Digital Egregor Nov 2020)"}
S0556
created
2021-01-04 15:12:14.805000+00:00
attack
date
S0556
description
[Pay2Key](https://attack.mitre.org/software/S0556) is a ransomware written in C++ that has been used by [Fox Kitten](https://attack.mitre.org/groups/G0117) since at least July 2020 including campaigns against Israeli companies. [Pay2Key](https://attack.mitre.org/software/S0556) has been incorporated with a leak site to...
attack
string
S0556
domain
enterprise-attack
attack
string
S0556
modified
2025-04-25 14:43:48.585000+00:00
attack
date
S0556
name
Pay2Key
attack
string
S0556
platform
Windows
attack
string
S0556
rdf:type
Malware
attack
enum
{"version":"1.0","external_references":[{"url":"https://www.clearskysec.com/fox-kitten/","source_name":"ClearkSky Fox Kitten February 2020","description":"ClearSky. (2020, February 16). Fox Kitten \u2013 Widespread Iranian Espionage-Offensive Campaign. Retrieved December 21, 2020."},{"url":"https://research.checkpoint....
S0556
url
https://attack.mitre.org/software/S0556
attack
url
S0556
uses
T1090.001
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) has designated machines in the compromised network to serve as reverse proxy pivot points to channel communications with C2.(Citation: ClearkSky Fox Kitten February 2020)(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1573.002
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) has used RSA encrypted communications with C2.(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1489
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) can stop the MS SQL service at the end of the encryption process to release files locked by the service.(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1070.004
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) can remove its log file from disk.(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1095
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) has sent its public key to the C2 server over TCP.(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1082
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) has the ability to gather the hostname of the victim machine.(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1486
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) can encrypt data on victim's machines using RSA and AES algorithms in order to extort a ransom payment for decryption.(Citation: ClearkSky Fox Kitten February 2020)(Citation: Check Point Pay2Key November 2020)"}
S0556
uses
T1016
attack
id
{"description":"[Pay2Key](https://attack.mitre.org/software/S0556) can identify the IP and MAC addresses of the compromised host.(Citation: Check Point Pay2Key November 2020)"}
S0559
created
2021-01-05 22:42:05.965000+00:00
attack
date
S0559
description
[SUNBURST](https://attack.mitre.org/software/S0559) is a trojanized DLL designed to fit within the SolarWinds Orion software update framework. It was used by [APT29](https://attack.mitre.org/groups/G0016) since at least February 2020.(Citation: SolarWinds Sunburst Sunspot Update January 2021)(Citation: Microsoft Deep D...
attack
string
S0559
domain
enterprise-attack
attack
string
S0559
modified
2023-12-26 19:44:49.643000+00:00
attack
date
S0559
name
SUNBURST
attack
string
S0559
platform
Windows
attack
string
S0559
rdf:type
Malware
attack
enum
{"version":"2.5","external_references":[{"url":"https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html","source_name":"FireEye SUNBURST Backdoor December 2020","description":"FireEye. (2020, December 13). Highly Evasive Attacker Le...
S0559
url
https://attack.mitre.org/software/S0559
attack
url
S0559
uses
T1497.003
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) remained dormant after initial access for a period of up to two weeks.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1047
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) used the WMI query <code>Select * From Win32_SystemDriver</code> to retrieve a driver listing.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1082
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected hostname and OS version.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1112
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) had commands that allow an attacker to write or delete registry keys, and was observed stopping services by setting their <code>HKLM\\SYSTEM\\CurrentControlSet\\services\\\\[service_name]\\\\Start</code> registry entries to value 4.(Citation: FireEye S...
S0559
uses
T1573.001
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) encrypted C2 traffic using a single-byte-XOR cipher.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1132.001
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) used Base64 encoding in its C2 traffic.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1070.009
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) removed IFEO registry values to clean up traces of persistence.(Citation: Microsoft Deep Dive Solorigate January 2021)"}
S0559
uses
T1005
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected information from a compromised host.(Citation: Microsoft Analyzing Solorigate Dec 2020)(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1124
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected device `UPTIME`.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1083
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) had commands to enumerate files and directories.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1685
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) attempted to disable software security services following checks against a FNV-1a + XOR hashed hardcoded blocklist.(Citation: FireEye SUNBURST Additional Details Dec 2020)"}
S0559
uses
T1016
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected all network interface MAC addresses that are up and not loopback devices, as well as IP address, DHCP configuration, and domain information.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1027
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) obfuscated collected system information using a FNV-1a + XOR algorithm.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1546.012
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) created an Image File Execution Options (IFEO) Debugger registry value for the process <code>dllhost.exe</code> to trigger the installation of [Cobalt Strike](https://attack.mitre.org/software/S0154).(Citation: Microsoft Deep Dive Solorigate January 20...
S0559
uses
T1218.011
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) used Rundll32 to execute payloads.(Citation: Microsoft Deep Dive Solorigate January 2021) "}
S0559
uses
T1027.015
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) strings were compressed and encoded in Base64.(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1007
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected a list of service names that were hashed using a FNV-1a + XOR algorithm to check against similarly-hashed hardcoded blocklists.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1036.005
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) created VBScripts that were named after existing services or folders to blend into legitimate activities.(Citation: Microsoft Deep Dive Solorigate January 2021) "}
S0559
uses
T1553.002
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) was digitally signed by SolarWinds from March - May 2020.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1057
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected a list of process names that were hashed using a FNV-1a + XOR algorithm to check against similarly-hashed hardcoded blocklists.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1001.003
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) masqueraded its network traffic as the Orion Improvement Program (OIP) protocol.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1001.001
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) added junk bytes to its C2 over HTTP.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1059.005
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) used VBScripts to initiate the execution of payloads.(Citation: Microsoft Deep Dive Solorigate January 2021)"}
S0559
uses
T1071.004
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) used DNS for C2 traffic designed to mimic normal SolarWinds API communications.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1070.004
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) had a command to delete files.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1070.007
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) also removed the firewall rules it created during execution.(Citation: Microsoft Deep Dive Solorigate January 2021)"}
S0559
uses
T1497.001
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) checked the domain name of the compromised host to verify it was running in a real environment.(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1012
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected the registry value <code>HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography\\MachineGuid</code> from compromised hosts.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1518.001
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) checked for a variety of antivirus/endpoint detection agents prior to execution.(Citation: Microsoft Analyzing Solorigate Dec 2020)(Citation: FireEye SUNBURST Additional Details Dec 2020)"}
S0559
uses
T1033
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) collected the username from a compromised host.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Analyzing Solorigate Dec 2020)"}
S0559
uses
T1105
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) delivered different payloads, including [TEARDROP](https://attack.mitre.org/software/S0560) in at least one instance.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1027.005
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) source code used generic variable names and pre-obfuscated strings, and was likely sanitized of developer comments before being added to [SUNSPOT](https://attack.mitre.org/software/S0562).(Citation: CrowdStrike SUNSPOT Implant January 2021) "}
S0559
uses
T1071.001
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) communicated via HTTP GET or HTTP POST requests to third party servers for C2.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1001.002
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) C2 data attempted to appear as benign XML related to .NET assemblies or as a faux JSON blob.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: FireEye SUNBURST Additional Details Dec 2020)(Citation: Symantec Sunburst Sending Data January 202...
S0559
uses
T1568
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) dynamically resolved C2 infrastructure for randomly-generated subdomains within a parent domain.(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0559
uses
T1070
attack
id
{"description":"[SUNBURST](https://attack.mitre.org/software/S0559) removed HTTP proxy registry values to clean up traces of execution.(Citation: Microsoft Deep Dive Solorigate January 2021)"}
S0560
created
2021-01-06 17:34:43.835000+00:00
attack
date
S0560
description
[TEARDROP](https://attack.mitre.org/software/S0560) is a memory-only dropper that was discovered on some victim machines during investigations related to the [SolarWinds Compromise](https://attack.mitre.org/campaigns/C0024). It was likely used by [APT29](https://attack.mitre.org/groups/G0016) since at least May 2020.(C...
attack
string
S0560
domain
enterprise-attack
attack
string
S0560
modified
2025-04-16 20:38:01.954000+00:00
attack
date
S0560
name
TEARDROP
attack
string
S0560
platform
Windows
attack
string
S0560
rdf:type
Malware
attack
enum
{"version":"1.2","external_references":[{"url":"https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html","source_name":"FireEye SUNBURST Backdoor December 2020","description":"FireEye. (2020, December 13). Highly Evasive Attacker Le...
S0560
url
https://attack.mitre.org/software/S0560
attack
url
S0560
uses
T1012
attack
id
{"description":"[TEARDROP](https://attack.mitre.org/software/S0560) checked that <code>HKU\\SOFTWARE\\Microsoft\\CTF</code> existed before decoding its embedded payload.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Deep Dive Solorigate January 2021) "}
S0560
uses
T1027
attack
id
{"description":"[TEARDROP](https://attack.mitre.org/software/S0560) created and read from a file with a fake JPG header, and its payload was encrypted with a simple rotating XOR cipher.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Check Point Sunburst Teardrop December 2020)(Citation: Microsoft Deep Div...
S0560
uses
T1112
attack
id
{"description":"[TEARDROP](https://attack.mitre.org/software/S0560) modified the Registry to create a Windows service for itself on a compromised host.(Citation: Check Point Sunburst Teardrop December 2020)"}
S0560
uses
T1543.003
attack
id
{"description":"[TEARDROP](https://attack.mitre.org/software/S0560) ran as a Windows service from the <code>c:\\windows\\syswow64</code> folder.(Citation: Check Point Sunburst Teardrop December 2020)(Citation: FireEye SUNBURST Backdoor December 2020)"}
S0560
uses
T1036.005
attack
id
{"description":"[TEARDROP](https://attack.mitre.org/software/S0560) files had names that resembled legitimate Window file and directory names.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Microsoft Deep Dive Solorigate January 2021)"}
S0560
uses
T1140
attack
id
{"description":"[TEARDROP](https://attack.mitre.org/software/S0560) was decoded using a custom rolling XOR algorithm to execute a customized [Cobalt Strike](https://attack.mitre.org/software/S0154) payload.(Citation: FireEye SUNBURST Backdoor December 2020)(Citation: Check Point Sunburst Teardrop December 2020)(Citatio...
S0561
created
2021-01-11 20:49:20.832000+00:00
attack
date
S0561
description
[GuLoader](https://attack.mitre.org/software/S0561) is a file downloader that has been used since at least December 2019 to distribute a variety of remote administration tool (RAT) malware, including [NETWIRE](https://attack.mitre.org/software/S0198), [Agent Tesla](https://attack.mitre.org/software/S0331), [NanoCore](h...
attack
string
S0561
domain
enterprise-attack
attack
string
S0561
modified
2025-04-25 14:43:09.227000+00:00
attack
date
S0561
name
GuLoader
attack
string
S0561
platform
Windows
attack
string
S0561
rdf:type
Malware
attack
enum
{"version":"2.0","external_references":[{"url":"https://unit42.paloaltonetworks.com/guloader-installing-netwire-rat/","source_name":"Unit 42 NETWIRE April 2020","description":"Duncan, B. (2020, April 3). GuLoader: Malspam Campaign Installing NetWire RAT. Retrieved January 7, 2021."},{"url":"https://elis531989.medium.co...
S0561
url
https://attack.mitre.org/software/S0561
attack
url
S0561
uses
T1566.002
attack
id
{"description":"[GuLoader](https://attack.mitre.org/software/S0561) has been spread in phishing campaigns using malicious web links.(Citation: Unit 42 NETWIRE April 2020)"}
S0561
uses
T1055
attack
id
{"description":"[GuLoader](https://attack.mitre.org/software/S0561) has the ability to inject shellcode into a donor processes that is started in a suspended state. [GuLoader](https://attack.mitre.org/software/S0561) has previously used RegAsm as a donor process.(Citation: Medium Eli Salem GuLoader April 2021)"}