General

  • Target

    XClient.exe

  • Size

    76KB

  • Sample

    240710-kya7laycnp

  • MD5

    087b0c45aea1a937a396b5bb9dc02198

  • SHA1

    1ccfa0318bd0cfe44b4bca3eeda92cb79c86f39f

  • SHA256

    3b9fd41558768c9ed809fdf54e199c260dc3ac39ea8320184f484890915fc457

  • SHA512

    42d5be800a60e95f15680682aac89d08fc86d04ecb579d89103559f720c2a40faa5a7d6416ed484c75a90e6be6ccc180758bca0727905c6f239273526fbfd9ff

  • SSDEEP

    1536:ARCMExLHBP2ANHPxU+NGbFUi4esGTnlnr6CiJoBKOYm3u:qCMEvXBPxU+AbFUSQOYYu

Malware Config

Extracted

Family

xworm

C2

89.213.177.81:7000

Attributes
  • Install_directory

    %Public%

  • install_file

    idk.exe

Targets

    • Target

      XClient.exe

    • Size

      76KB

    • MD5

      087b0c45aea1a937a396b5bb9dc02198

    • SHA1

      1ccfa0318bd0cfe44b4bca3eeda92cb79c86f39f

    • SHA256

      3b9fd41558768c9ed809fdf54e199c260dc3ac39ea8320184f484890915fc457

    • SHA512

      42d5be800a60e95f15680682aac89d08fc86d04ecb579d89103559f720c2a40faa5a7d6416ed484c75a90e6be6ccc180758bca0727905c6f239273526fbfd9ff

    • SSDEEP

      1536:ARCMExLHBP2ANHPxU+NGbFUi4esGTnlnr6CiJoBKOYm3u:qCMEvXBPxU+AbFUSQOYYu

    • 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

    • 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