General

  • Target

    Decryption.exe

  • Size

    89KB

  • Sample

    241117-zbjyjsxgrf

  • MD5

    135041cb6c4e66156a9cc5af89db818e

  • SHA1

    b80b813743bb5441ed38166f0975953631115a26

  • SHA256

    66e240c85756cdd733ba77fd2a3f1807a2c960e47c220fcd646b9758c0b1905d

  • SHA512

    6c7655a213d4990d7f63f880e5fb17f366e9d53f7c78310a7d11acde66116683305d630d98585583bd04c50e2a582173fc4722742ffa0249902de95d3ba67b7f

  • SSDEEP

    1536:WaBsJpMRlSEwuW6Lp7h0YLgpTqNGOmoD/AVtgl2mYrJ/EEebWjD2mPsD:WagSWuW4Jh3QgGwMV6/Y1ab4VPsD

Malware Config

Extracted

Family

xworm

C2

while-stuffed.gl.at.ply.gg:61275

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

Targets

    • Target

      Decryption.exe

    • Size

      89KB

    • MD5

      135041cb6c4e66156a9cc5af89db818e

    • SHA1

      b80b813743bb5441ed38166f0975953631115a26

    • SHA256

      66e240c85756cdd733ba77fd2a3f1807a2c960e47c220fcd646b9758c0b1905d

    • SHA512

      6c7655a213d4990d7f63f880e5fb17f366e9d53f7c78310a7d11acde66116683305d630d98585583bd04c50e2a582173fc4722742ffa0249902de95d3ba67b7f

    • SSDEEP

      1536:WaBsJpMRlSEwuW6Lp7h0YLgpTqNGOmoD/AVtgl2mYrJ/EEebWjD2mPsD:WagSWuW4Jh3QgGwMV6/Y1ab4VPsD

    • Detect Xworm Payload

    • 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.

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • 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