General

  • Target

    XClient.exe

  • Size

    171KB

  • Sample

    241107-zz1k7syejq

  • MD5

    e897e677766711e9b467f0765b1704d9

  • SHA1

    9c4f70c61b538d82f4c6d47deb4fd9d0c4adf2b0

  • SHA256

    c452cbd1ba250f9e63e1d277259783b8dede810426b21b2e91762c9a02702990

  • SHA512

    19a7e0e2ed7da78da5802202a1e0814e12217540797e282ee18f5d2a7f25b8d8bbea2f1ed53fabba6a2bb6dae4fd46051e989ffae2cf4b02cbe02b7c356e1293

  • SSDEEP

    3072:JBAzYQ+bIoFbuluYOOf7h3Bz65/M6If+3Js+3JFkKeTno:J+zmbLc77h3xBt25

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:39377

79.127.146.115:39377

Attributes
  • Install_directory

    %AppData%

  • install_file

    registry.exe

Targets

    • Target

      XClient.exe

    • Size

      171KB

    • MD5

      e897e677766711e9b467f0765b1704d9

    • SHA1

      9c4f70c61b538d82f4c6d47deb4fd9d0c4adf2b0

    • SHA256

      c452cbd1ba250f9e63e1d277259783b8dede810426b21b2e91762c9a02702990

    • SHA512

      19a7e0e2ed7da78da5802202a1e0814e12217540797e282ee18f5d2a7f25b8d8bbea2f1ed53fabba6a2bb6dae4fd46051e989ffae2cf4b02cbe02b7c356e1293

    • SSDEEP

      3072:JBAzYQ+bIoFbuluYOOf7h3Bz65/M6If+3Js+3JFkKeTno:J+zmbLc77h3xBt25

    • 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.

    • 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

MITRE ATT&CK Enterprise v15

Tasks