General

  • Target
    Mac - tools .exe
  • Size 19.6MB
  • Sample260516-29d63ady3n
  • SHA256 c51f6cb967fd0e0443f0ddcf48ca5b468209539f39a27d787c05f58e2654aff9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • 9f6nnyreua.localto.net:1173

Mutex
  • Vn72wpOL2yKNpy1Y

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      Mac - tools .exe
    • Size 19.6MB
    • SHA256 c51f6cb967fd0e0443f0ddcf48ca5b468209539f39a27d787c05f58e2654aff9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • A stealer written in Python and packaged with Pyinstaller

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Family: blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • 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.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks