General

  • Target
    FedEx AWB-Documents PDF.js
  • Size 2.8MB
  • Sample261112-llm63aec87
  • SHA256 b5bcfe5af4011274e4885aff886350a9c6fc39be4c17cb0b33ce7d813cd7bc5d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 203.202.232.148:3131

Mutex
  • O25649ioAZViQ6j9

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      FedEx AWB-Documents PDF.js
    • Size 2.8MB
    • SHA256 b5bcfe5af4011274e4885aff886350a9c6fc39be4c17cb0b33ce7d813cd7bc5d
    • 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#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers new Windows logon scripts automatically executed at logon.

MITRE ATT&CK Enterprise v16

Tasks