General

  • Target
    63e886ec997acafb0c0372a08d8ba05aedf0c31b4e547e83fa54f4b0a085eead
  • Size 751KB
  • Sample260708-sqeh2sat2r
  • SHA256 63e886ec997acafb0c0372a08d8ba05aedf0c31b4e547e83fa54f4b0a085eead
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

Mutex
  • dohYh4821JcpivG4

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

  • localhost

    127.0.0.1

aes.plain

Targets

    • Target
      recibo de pago.exe
    • Size 849KB
    • SHA256 c6f1fe93e7b7018d9ef446ef2d75d387364355ae2a8919cc24e2e5c3c8696d9d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks