General

  • Target

    7d12550f98dc72b2f48816a9e979dfe9_JaffaCakes118

  • Size

    4.6MB

  • Sample

    241029-26b8assral

  • MD5

    7d12550f98dc72b2f48816a9e979dfe9

  • SHA1

    2c69cb985d7c422faa5c2e424b72ca45e94a6666

  • SHA256

    854e5c0dbeb31b0953c41b36dc88fa4e959c00c848fb723dc2f9223aeb5a359a

  • SHA512

    5bc8141307ce2ac887961717e6f087f087da87c9ab654fcbeb583bdbb23081559d60fca36d2d0413303ceefaa70ae58fd8ec367f1045817d54ce7432fb4fdd7e

  • SSDEEP

    98304:yju4l+nX+HrTHNIgv9Ks/54b2X1sPPlki4YRTTLDPK:y8OH3HNXv9Ks/5Ge1sPPl+sTTS

Malware Config

Extracted

Family

nullmixer

C2

http://watira.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

      7d12550f98dc72b2f48816a9e979dfe9_JaffaCakes118

    • Size

      4.6MB

    • MD5

      7d12550f98dc72b2f48816a9e979dfe9

    • SHA1

      2c69cb985d7c422faa5c2e424b72ca45e94a6666

    • SHA256

      854e5c0dbeb31b0953c41b36dc88fa4e959c00c848fb723dc2f9223aeb5a359a

    • SHA512

      5bc8141307ce2ac887961717e6f087f087da87c9ab654fcbeb583bdbb23081559d60fca36d2d0413303ceefaa70ae58fd8ec367f1045817d54ce7432fb4fdd7e

    • SSDEEP

      98304:yju4l+nX+HrTHNIgv9Ks/54b2X1sPPlki4YRTTLDPK:y8OH3HNXv9Ks/5Ge1sPPl+sTTS

    • NullMixer

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

    • Nullmixer family

    • PrivateLoader

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

    • Privateloader family

    • Socelars

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

    • Socelars family

    • Socelars payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Vidar Stealer

    • 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.

    • 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.

    • Target

      setup_installer.exe

    • Size

      4.6MB

    • MD5

      5e9a864382552ed5a7f9a8dbcad75901

    • SHA1

      46bf925209d38ffaa39e15adce1491e288618509

    • SHA256

      b90ac2c0cfc535ed7ddc1bf15feabe0012591d2737bc355a8a05dafe3c57845f

    • SHA512

      b4738df097c80d8d0790a37f1ae42ac7c02e0d8e437c67290375cf9b01f719673eae6abf2f31f4a7e0d103265f3a66ffa7720914d9a11bc5d1c9fdb7fbdc6192

    • SSDEEP

      98304:xBCvLUBsgLOAwGX5bThkYHz9kOVVAPj+9VhfIpqsDfqsKuJgC:xKLUCgaAw2Xhbn2P6BfgJr/P

    • NullMixer

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

    • Nullmixer family

    • PrivateLoader

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

    • Privateloader family

    • RedLine

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

    • RedLine payload

    • Redline family

    • SectopRAT

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

    • SectopRAT payload

    • Sectoprat family

    • Socelars

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

    • Socelars family

    • Socelars payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xmrig family

    • 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.

    • 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