General

  • Target

    services.exe

  • Size

    77KB

  • Sample

    240703-tc3t6ayakd

  • MD5

    4b28f21bcd14645f1666fccafd727f2e

  • SHA1

    4245951f19e8928803b02f9a2a9ca87b0c8c35b9

  • SHA256

    a756441067677b61354cdcc685d0602c6ffc362f8e702e8d953394d2ae794c93

  • SHA512

    c7a03d02db5c6b4fea1e826bfc6ca37f2575a3e2f92f69f6d9f43d2ce8633280eef6af9c928085a01642548ba9487cf2dd615ab063a5b0ced4533a9455127dd4

  • SSDEEP

    1536:hdmm8BuGI4RJolY2ivEfb2ffsuwzpLR6IGoVOxcE:nbLivEfb2ffCzeoVOxZ

Malware Config

Extracted

Family

xworm

C2

147.185.221.20:37760

Attributes
  • Install_directory

    %AppData%

  • install_file

    Service.exe

Extracted

Family

xworm

Version

3.1

C2

adult-purchased.gl.at.ply.gg:13795

Mutex

WAQMuWkdncL23W2E

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      services.exe

    • Size

      77KB

    • MD5

      4b28f21bcd14645f1666fccafd727f2e

    • SHA1

      4245951f19e8928803b02f9a2a9ca87b0c8c35b9

    • SHA256

      a756441067677b61354cdcc685d0602c6ffc362f8e702e8d953394d2ae794c93

    • SHA512

      c7a03d02db5c6b4fea1e826bfc6ca37f2575a3e2f92f69f6d9f43d2ce8633280eef6af9c928085a01642548ba9487cf2dd615ab063a5b0ced4533a9455127dd4

    • SSDEEP

      1536:hdmm8BuGI4RJolY2ivEfb2ffsuwzpLR6IGoVOxcE:nbLivEfb2ffCzeoVOxZ

    • 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