General

  • Target

    rat test xworm.exe

  • Size

    65KB

  • Sample

    250119-bf9srszqcy

  • MD5

    fbe7f61c52a1754815d5da441a4fb469

  • SHA1

    5540bfc30a9b05f1972d896283bd1f107db18987

  • SHA256

    5d8c53e451c55ce6969cfe254e0c22a3c48915c1400c66fc9dc806d7ad824f24

  • SHA512

    e524006b40df8d3a677f20928d6fb5f31d08197d351bcfcdb30bd08cf041500794998728397119775d584f4f3f4359e7d881deea4aec9f9cc9add524454d4635

  • SSDEEP

    1536:axvYQ2kEC1wXbFDGTRwZrt6UxKQO7U/1iI:ahYeLKbRTLO7U95

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:21252

land-long.gl.at.ply.gg:21252

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Targets

    • Target

      rat test xworm.exe

    • Size

      65KB

    • MD5

      fbe7f61c52a1754815d5da441a4fb469

    • SHA1

      5540bfc30a9b05f1972d896283bd1f107db18987

    • SHA256

      5d8c53e451c55ce6969cfe254e0c22a3c48915c1400c66fc9dc806d7ad824f24

    • SHA512

      e524006b40df8d3a677f20928d6fb5f31d08197d351bcfcdb30bd08cf041500794998728397119775d584f4f3f4359e7d881deea4aec9f9cc9add524454d4635

    • SSDEEP

      1536:axvYQ2kEC1wXbFDGTRwZrt6UxKQO7U/1iI:ahYeLKbRTLO7U95

    • 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

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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