General

  • Target

    1c44852292cf03e534ef8c2914b22436_JaffaCakes118

  • Size

    4.4MB

  • Sample

    241007-jgeb9axflb

  • MD5

    1c44852292cf03e534ef8c2914b22436

  • SHA1

    39e0966477f02eadd10e35709d52567e9825f533

  • SHA256

    799cb4b1d385475c155fae6fc0c214b059f191ed06b9229f287a8d9225ba8a21

  • SHA512

    7b37e8101bc2f6047f69b3283d6aa2f1344a3641b378f03c8b699fe45df742fde8f608204898e810118e47076374b8d9d51e28df71bdf8e530bd39757a906498

  • SSDEEP

    98304:yUD14snMnUPEEjVhI2DWARNpBJsWqqOog664sGwjf:yUD6snYUM2VFycNDmBGwj

Malware Config

Extracted

Family

nullmixer

C2

http://znegs.xyz/

Extracted

Family

socelars

C2

http://www.iyiqian.com/

http://www.xxhufdc.top/

http://www.uefhkice.xyz/

http://www.fcektsy.top/

Extracted

Family

redline

Botnet

Build1

C2

45.142.213.135:30058

Targets

    • Target

      1c44852292cf03e534ef8c2914b22436_JaffaCakes118

    • Size

      4.4MB

    • MD5

      1c44852292cf03e534ef8c2914b22436

    • SHA1

      39e0966477f02eadd10e35709d52567e9825f533

    • SHA256

      799cb4b1d385475c155fae6fc0c214b059f191ed06b9229f287a8d9225ba8a21

    • SHA512

      7b37e8101bc2f6047f69b3283d6aa2f1344a3641b378f03c8b699fe45df742fde8f608204898e810118e47076374b8d9d51e28df71bdf8e530bd39757a906498

    • SSDEEP

      98304:yUD14snMnUPEEjVhI2DWARNpBJsWqqOog664sGwjf:yUD6snYUM2VFycNDmBGwj

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Vidar Stealer

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of SetThreadContext

    • Target

      setup_installer.exe

    • Size

      4.3MB

    • MD5

      0b75632bf041cac607b9a3043843c757

    • SHA1

      c3bea64c98d7d9ee17b59302cc2463239cc292b1

    • SHA256

      44d025d67d73ae1215ba9483971bc5205afd91ef92cb2aed8410ab70e316e53e

    • SHA512

      61a1cb63f4e5bef624f67ccc92d328e99bab8fed0ca079d507feec0c620c27974e551b9ee1a1a38a18b37f7d1407d72b808cd25b73dfb812240d972a558e4337

    • SSDEEP

      98304:xpCvLUBsgaUwlNJ122nv5eO+VyC5aA80zK7qcL8ho1zIhBP:xCLUCgpwRNnBGwm07NYFhBP

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Vidar Stealer

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks