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General

  • Target

    c1c22fa37924cdd1c41c1b485b2686dbda7d7f9db5d314c40abfb840ab8950a2.vbs

  • Size

    156KB

  • Sample

    240514-b39fhsef93

  • MD5

    cc2682120b5da60396761ae1acaa7194

  • SHA1

    6f3e932331c1a5f051d50ed9f5a40152946f06b5

  • SHA256

    c1c22fa37924cdd1c41c1b485b2686dbda7d7f9db5d314c40abfb840ab8950a2

  • SHA512

    24e51481fbf2164190017c008edeb02f2e30d961ed1b9a4c02906340615ac1fcb28eb5ffa92867493a27196e4b1f5cdaa2ac2ffc5d83617768a6e0a2eded7776

  • SSDEEP

    1536:B82qd99CObiNCocEW1aJK66n5yhtW0/5JpWn4ctIg0BfbUZlu9gISsRD:DqdY9JK6X/vcGg0Bfcc

Malware Config

Extracted

Family

xworm

Version

3.1

C2

xmay8000.duckdns.org:8000

Mutex

1xahivGykLCNnHwa

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      c1c22fa37924cdd1c41c1b485b2686dbda7d7f9db5d314c40abfb840ab8950a2.vbs

    • Size

      156KB

    • MD5

      cc2682120b5da60396761ae1acaa7194

    • SHA1

      6f3e932331c1a5f051d50ed9f5a40152946f06b5

    • SHA256

      c1c22fa37924cdd1c41c1b485b2686dbda7d7f9db5d314c40abfb840ab8950a2

    • SHA512

      24e51481fbf2164190017c008edeb02f2e30d961ed1b9a4c02906340615ac1fcb28eb5ffa92867493a27196e4b1f5cdaa2ac2ffc5d83617768a6e0a2eded7776

    • SSDEEP

      1536:B82qd99CObiNCocEW1aJK66n5yhtW0/5JpWn4ctIg0BfbUZlu9gISsRD:DqdY9JK6X/vcGg0Bfcc

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Detects Windows executables referencing non-Windows User-Agents

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks