General

  • Target

    AIMWARE_Loader_setup.exe

  • Size

    144KB

  • Sample

    241112-m6rknatrdq

  • MD5

    4354d409b21d4c11707d204e67f640f5

  • SHA1

    4c5a70526de5527ae0c2ab089590813ddb2cbae9

  • SHA256

    9e8d3fe195a8bcf9433fe687cc5a4679743839b17b6223cb15f96dbc0763eef5

  • SHA512

    dac9993f3497ec680a17eb6ccc40d876a5814f3f6f09112079a0521d8fb7c76b2f2b6383314c40f3e92eab847363ad301287c9c789d4500fb5891ab98dc75a81

  • SSDEEP

    3072:SFEAbUdAIjonLoL/R6wZ5Oyssuz//C0zrh9L0A:YEACki6fyG60Hh9L

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1305582300918185994/EE8PFtpBm_iHizpV_Q_Kn5DP9px4rFVu_tjpCIZQ5EdlmytBIKpakzf4xxE22pXS9U1K

Extracted

Family

xworm

C2

127.0.0.1:4395

19.ip.gl.ply.gg:4395

Attributes
  • Install_directory

    %Public%

  • install_file

    Windows Security Host.exe

Targets

    • Target

      AIMWARE_Loader_setup.exe

    • Size

      144KB

    • MD5

      4354d409b21d4c11707d204e67f640f5

    • SHA1

      4c5a70526de5527ae0c2ab089590813ddb2cbae9

    • SHA256

      9e8d3fe195a8bcf9433fe687cc5a4679743839b17b6223cb15f96dbc0763eef5

    • SHA512

      dac9993f3497ec680a17eb6ccc40d876a5814f3f6f09112079a0521d8fb7c76b2f2b6383314c40f3e92eab847363ad301287c9c789d4500fb5891ab98dc75a81

    • SSDEEP

      3072:SFEAbUdAIjonLoL/R6wZ5Oyssuz//C0zrh9L0A:YEACki6fyG60Hh9L

    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks