General

  • Target

    multi_tools_v4.exe

  • Size

    48KB

  • Sample

    240526-bnjljsab78

  • MD5

    586cb5dd073416d031a67baebc629fc3

  • SHA1

    df744c4909ad37b1375d1e85ef31bf49a203cbc5

  • SHA256

    746d5338eb74fc49537083396a933a6c0f11ee921992e3404a45fc2891a48cd8

  • SHA512

    fd9f8a5f110bc6fcd2bf93f6d52e1605111bac4891fcce3fb6581df4dbcc192606ebfaf69c7cf9553d0f05535ffc158816a7ef2b07a1164d4ca8817c4ac285c0

  • SSDEEP

    768:Lilm2Vb4m8cKGIF0QwSuR3ZRenlxoRi+IbLsFNt9p2Lk6iOAhtHVXy+T3q:Lilmmb4xcKcH3ZRY+IcFf9ULk6iOAzV0

Malware Config

Extracted

Family

xworm

Version

5.0

C2

Thecoolboi991-51392.portmap.io:8080

Mutex

oZ7J5OWLjx16hjLt

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      multi_tools_v4.exe

    • Size

      48KB

    • MD5

      586cb5dd073416d031a67baebc629fc3

    • SHA1

      df744c4909ad37b1375d1e85ef31bf49a203cbc5

    • SHA256

      746d5338eb74fc49537083396a933a6c0f11ee921992e3404a45fc2891a48cd8

    • SHA512

      fd9f8a5f110bc6fcd2bf93f6d52e1605111bac4891fcce3fb6581df4dbcc192606ebfaf69c7cf9553d0f05535ffc158816a7ef2b07a1164d4ca8817c4ac285c0

    • SSDEEP

      768:Lilm2Vb4m8cKGIF0QwSuR3ZRenlxoRi+IbLsFNt9p2Lk6iOAhtHVXy+T3q:Lilmmb4xcKcH3ZRY+IcFf9ULk6iOAzV0

    • 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