General

  • Target
    b29e2ffd0fc945992d81a435f83bfd979f32644b3ba4aa734125f7e1e6fd6989
  • Size 1.2MB
  • Sample261102-pm6xcatvex
  • SHA256 b29e2ffd0fc945992d81a435f83bfd979f32644b3ba4aa734125f7e1e6fd6989
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 203.202.232.16:2477

Mutex
  • JzA5UcTfnxyb7jB7

Attributes
  • Install_directory

    %Temp%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      ORDER LIST AND SAMPLES_0786864GN.JS
    • Size 2.7MB
    • SHA256 1dfdef98368073a0883eabefd1a26ba4e3fb0fb2b6c27f6963082c189c61e149
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks