General

  • Target

    Update.exe

  • Size

    79KB

  • Sample

    240621-f1ynfsyfqe

  • MD5

    7d612f510225b0406e373c0e54e1673b

  • SHA1

    fab0e06ee2a9eb6b124b248b28cc490f849acb6b

  • SHA256

    bdc5e4f0f493af0faa6baf521c534ad15a64ff3fa3dc616ce89c2ef623ebc84c

  • SHA512

    48c7f7a87b2d5c475366effa9eece01b6b9b8bf506a81380971d81c57035513d21637cb8fb5da69c8396b0248b5a5b72d10e85adb3231e0e1c8210fc09ac3b91

  • SSDEEP

    1536:oSdQq471jhFdqvbm2tXnVqNO6hwvLTgOfYQZP4:oSGr7AbmPILTgOfYQl4

Malware Config

Extracted

Family

xworm

C2

different-albuquerque.gl.at.ply.gg:9044

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Update.exe

Targets

    • Target

      Update.exe

    • Size

      79KB

    • MD5

      7d612f510225b0406e373c0e54e1673b

    • SHA1

      fab0e06ee2a9eb6b124b248b28cc490f849acb6b

    • SHA256

      bdc5e4f0f493af0faa6baf521c534ad15a64ff3fa3dc616ce89c2ef623ebc84c

    • SHA512

      48c7f7a87b2d5c475366effa9eece01b6b9b8bf506a81380971d81c57035513d21637cb8fb5da69c8396b0248b5a5b72d10e85adb3231e0e1c8210fc09ac3b91

    • SSDEEP

      1536:oSdQq471jhFdqvbm2tXnVqNO6hwvLTgOfYQZP4:oSGr7AbmPILTgOfYQl4

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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