General

  • Target
    koch.exe
  • Size 168KB
  • Sample260718-kgtmlshs7z
  • SHA256 d6cdc34803e1498b20f985bacf621844b244e5cd36f1dd9b450daf745b2d089a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      koch.exe
    • Size 168KB
    • SHA256 d6cdc34803e1498b20f985bacf621844b244e5cd36f1dd9b450daf745b2d089a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Adds Run key to start application

    • 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 v16

Tasks