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General

  • Target

    https://gofile.io/d/VRI1By

  • Sample

    240807-xhax4ssckk

Malware Config

Extracted

Family

xworm

Version

5.0

C2

las-protected.gl.at.ply.gg:59571

Mutex

57uEOC4VgAs3IeCB

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    Uni.exe

aes.plain

Targets

    • Target

      https://gofile.io/d/VRI1By

    • Detect Xworm Payload

    • 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.

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks