General

  • Target
    WhatsApp IMG 07-05-26 Payment advice.vbs
  • Size 2.7MB
  • Sample260508-pmsdyscw5r
  • SHA256 51cf4209be2c160f3182f2488e68eec40edd7e9f9f76224fa4b66d4ec74a35bd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 103.83.86.92:3333

Mutex
  • UDWJhb0nWsfp7CKC

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      WhatsApp IMG 07-05-26 Payment advice.vbs
    • Size 2.7MB
    • SHA256 51cf4209be2c160f3182f2488e68eec40edd7e9f9f76224fa4b66d4ec74a35bd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks