General

  • Target

    system.exe

  • Size

    84KB

  • Sample

    250129-vk5jdstmdv

  • MD5

    6f4cef7f422bf580b1ee9a530f9f55c7

  • SHA1

    a78f1d5fd4357c8b9f1a4a25084f209bb7bed607

  • SHA256

    32d07422caae2a4ce6ddecdeb2fdf2b390cf1417b00f2c18c2133bd090ac5462

  • SHA512

    32459d17774caf1a4a653c7d2cda17694ed52a328bccb3e3c40e6d3d58f88451e457ede562a7ec92a2e0af1e9aa461f874258a133e2c024df5d2d2b3cb635f0a

  • SSDEEP

    1536:CGmlU4/wy79rSJ68Jf0gbYv+KYW0hbjPOk06rrSkOHre1AUdls:yyOSJ68Jf0gbYvkDPOkhSkOLeVs

Malware Config

Extracted

Family

xworm

C2

say-oops.gl.at.ply.gg:35818

Attributes
  • Install_directory

    %Temp%

  • install_file

    svchost.exe

Targets

    • Target

      system.exe

    • Size

      84KB

    • MD5

      6f4cef7f422bf580b1ee9a530f9f55c7

    • SHA1

      a78f1d5fd4357c8b9f1a4a25084f209bb7bed607

    • SHA256

      32d07422caae2a4ce6ddecdeb2fdf2b390cf1417b00f2c18c2133bd090ac5462

    • SHA512

      32459d17774caf1a4a653c7d2cda17694ed52a328bccb3e3c40e6d3d58f88451e457ede562a7ec92a2e0af1e9aa461f874258a133e2c024df5d2d2b3cb635f0a

    • SSDEEP

      1536:CGmlU4/wy79rSJ68Jf0gbYv+KYW0hbjPOk06rrSkOHre1AUdls:yyOSJ68Jf0gbYvkDPOkhSkOLeVs

    • 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

    • 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