General

  • Target

    3ab61ee8a81099edddf87af587420a10N.exe

  • Size

    40KB

  • Sample

    240821-kk624sygne

  • MD5

    3ab61ee8a81099edddf87af587420a10

  • SHA1

    d6c0f6f60d13cc786cf7ac0df2c45b5dc47b945c

  • SHA256

    feba3474a30f9b010741c34ee4773777fc329390418713ffef424b2eb9243a5f

  • SHA512

    f43326c79ea8bd118fd90efc8c2c8306e02901727ffd7c6666b2a35820eb8799976007f4886a68a7f411509ad61dcf7ddf5a3630fa5342014ad5aa978818ff3f

  • SSDEEP

    768:pNfPMSk3K/EzTb/008WuFZ4ZJF5PC9O9Fy68OMhi3/aV:nf05a/CTjp89IFc9Uc68OMsi

Malware Config

Extracted

Family

xworm

Version

5.0

C2

154.197.69.165:7000

Mutex

jcTVbnlMjCEJAYCp

Attributes
  • Install_directory

    %AppData%

  • install_file

    crss.exe

aes.plain

Targets

    • Target

      3ab61ee8a81099edddf87af587420a10N.exe

    • Size

      40KB

    • MD5

      3ab61ee8a81099edddf87af587420a10

    • SHA1

      d6c0f6f60d13cc786cf7ac0df2c45b5dc47b945c

    • SHA256

      feba3474a30f9b010741c34ee4773777fc329390418713ffef424b2eb9243a5f

    • SHA512

      f43326c79ea8bd118fd90efc8c2c8306e02901727ffd7c6666b2a35820eb8799976007f4886a68a7f411509ad61dcf7ddf5a3630fa5342014ad5aa978818ff3f

    • SSDEEP

      768:pNfPMSk3K/EzTb/008WuFZ4ZJF5PC9O9Fy68OMhi3/aV:nf05a/CTjp89IFc9Uc68OMsi

    • 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

    • 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