General

  • Target

    aW4gYmFzZTY0.exe

  • Size

    79KB

  • Sample

    240604-wbk9tseh75

  • MD5

    10877ec3912d6ea504445afae9f81774

  • SHA1

    2e33867a1e92173d44908f19476a906bd4f3c894

  • SHA256

    a2926efee48295c2660bb5b461da3b004a63dbf61eb7dec707a1550fb58c35be

  • SHA512

    afd3fcf65f051f4e0c05c92e2fb7cba781957e601565292de5c1b93910e9f73160e3dd0f12922708137c115181300df572d000584d06572771baff8095e979cf

  • SSDEEP

    1536:NXxJcCWxlmDiZohvPyiyHo3bc8lCG93s6kc6mgOMOz3tjq8q:FSPmGZ8pyHo3bTfnlgOMOz3t9q

Malware Config

Extracted

Family

xworm

Version

3.0

C2

lunassworld-50930.portmap.host:50930

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      aW4gYmFzZTY0.exe

    • Size

      79KB

    • MD5

      10877ec3912d6ea504445afae9f81774

    • SHA1

      2e33867a1e92173d44908f19476a906bd4f3c894

    • SHA256

      a2926efee48295c2660bb5b461da3b004a63dbf61eb7dec707a1550fb58c35be

    • SHA512

      afd3fcf65f051f4e0c05c92e2fb7cba781957e601565292de5c1b93910e9f73160e3dd0f12922708137c115181300df572d000584d06572771baff8095e979cf

    • SSDEEP

      1536:NXxJcCWxlmDiZohvPyiyHo3bc8lCG93s6kc6mgOMOz3tjq8q:FSPmGZ8pyHo3bTfnlgOMOz3t9q

    • 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