General

  • Target

    XClient.exe

  • Size

    35KB

  • Sample

    250418-wnzmzsz1g1

  • MD5

    8e2004dd32bda2b26546d940697f2e74

  • SHA1

    54cb59c5b9089563417da7ba32a585b5fd249472

  • SHA256

    7f175bde58843224ac7eb5b1d872e4d6189bbd4e529210c93747815f27272705

  • SHA512

    35a01e5376db084f3a07942edf064df7d18e223416f1f3035fb85b8c726ff6b95f786eb050d7d9bfa29a030fc761b63ded46d7163c9ed6ae0e025ef7c267117a

  • SSDEEP

    384:KImOlrq3Qq8K+kSk12XFKFi1q8QchnN6V/JXpXwxGLZfi5cnsrT7iJiUE/o58pk4:qZ/YXygNA5ILvEiLoVFyw9zZdO/hCyP

Malware Config

Extracted

Family

xworm

Version

5.0

C2

147.185.221.19:16347

Mutex

ER01K154hVOItHNG

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      35KB

    • MD5

      8e2004dd32bda2b26546d940697f2e74

    • SHA1

      54cb59c5b9089563417da7ba32a585b5fd249472

    • SHA256

      7f175bde58843224ac7eb5b1d872e4d6189bbd4e529210c93747815f27272705

    • SHA512

      35a01e5376db084f3a07942edf064df7d18e223416f1f3035fb85b8c726ff6b95f786eb050d7d9bfa29a030fc761b63ded46d7163c9ed6ae0e025ef7c267117a

    • SSDEEP

      384:KImOlrq3Qq8K+kSk12XFKFi1q8QchnN6V/JXpXwxGLZfi5cnsrT7iJiUE/o58pk4:qZ/YXygNA5ILvEiLoVFyw9zZdO/hCyP

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Enterprise v16

Tasks