General

  • Target

    XWorm V5.2.rar

  • Size

    30.2MB

  • Sample

    241230-brdjpstkap

  • MD5

    d46700f59429076e678aa91993165c4d

  • SHA1

    86e9e091021d1c87eb32a406261063362fc7aa0f

  • SHA256

    ba02819b258dd8fb8d5a649d45535189d3dd19e15ca12aa2ccc83bc2162ad0c4

  • SHA512

    b265ab5797b350bdee2798784eea56fa5d6ddccbc230ca3d8fb3874748a423a7ac292721a7259e03de1a055ad4bb1f381b32535882a4f52341184ec78baa636b

  • SSDEEP

    786432:AyEdI35cJuWL9qeVCp3K7cLpeEJfi2I7auNJuaaJxyXzmn:AI35crZlVCphFrfi37HPnjmn

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

Mutex

zo6xvzOOPk1tC4HT

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      XWorm V5.2.rar

    • Size

      30.2MB

    • MD5

      d46700f59429076e678aa91993165c4d

    • SHA1

      86e9e091021d1c87eb32a406261063362fc7aa0f

    • SHA256

      ba02819b258dd8fb8d5a649d45535189d3dd19e15ca12aa2ccc83bc2162ad0c4

    • SHA512

      b265ab5797b350bdee2798784eea56fa5d6ddccbc230ca3d8fb3874748a423a7ac292721a7259e03de1a055ad4bb1f381b32535882a4f52341184ec78baa636b

    • SSDEEP

      786432:AyEdI35cJuWL9qeVCp3K7cLpeEJfi2I7auNJuaaJxyXzmn:AI35crZlVCphFrfi37HPnjmn

    • 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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks