General

  • Target
    SMB.exe
  • Size 44KB
  • Sample240615-ev5ddayeme
  • SHA256 552592d99b784facfde5350402c69c5158c239bd147acbd75b43b5e9f40dcdfc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

Mutex
  • XgMwB5Un881eApDQ

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    rundll64.exe

  • pastebin_url

    https://pastebin.com/raw/EiiXCJbn

aes.plain

Targets

    • Target
      SMB.exe
    • Size 44KB
    • SHA256 552592d99b784facfde5350402c69c5158c239bd147acbd75b43b5e9f40dcdfc
    • MD5 SHA1 SHA512 SSDEEP
    • 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.

    • Executes dropped EXE

    • 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