General

  • Target
    9bf1abe182b35bc905bc332b5d025de47e7b4a42ee6998e34ba6d22e01881f50.exe
  • Size 498KB
  • Sample240605-cfkdjsbg28
  • SHA256 9bf1abe182b35bc905bc332b5d025de47e7b4a42ee6998e34ba6d22e01881f50
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • wiz.bounceme.net:6000

Attributes
  • Install_directory

    %AppData%

  • install_file

    System.exe

  • pastebin_url

    https://pastebin.com/raw/ce9Y28X4

aes.plain

Targets

    • Target
      9bf1abe182b35bc905bc332b5d025de47e7b4a42ee6998e34ba6d22e01881f50.exe
    • Size 498KB
    • SHA256 9bf1abe182b35bc905bc332b5d025de47e7b4a42ee6998e34ba6d22e01881f50
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Detects Windows executables referencing non-Windows User-Agents

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks