Extracted

• • Target

    Winlocker Builder v0.6.exe

  • Size

    1.4MB

  • MD5

    6b6a8cd5e51f45e84db0faf0e23bce20

  • SHA1

    9ddfb0ea0ee600dcd5f8ef1878a19f4bb874cafd

  • SHA256

    2eddf88a155ffdb09a1382d1955d26ae5e394def25a2eb4d8c558babce0acde4

  • SHA512

    17dc258784448706eb3de95d328858dd64a15a7cd7abd33cac1cf8f0b6d73d58c0a7514f852f7159b9fb9996055cd942b101ebc53186e6722d168367075a698b

  • SSDEEP

    24576:HYbXvsRLDInc+3WNyc4aKZQ6VvDrVq3EXcWdFVtV6d/PHk:F0c+Gr1YBrNXcEFVf6pPH

  Score

  10^/10

  xwormdefense_evasiondiscoveryexecutionrattrojan

  • Detect Xworm Payload

  • Modifies visiblity of hidden/system files in Explorer

    defense_evasion

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • 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.

  • Drops file in System32 directory

  behavioral1behavioral2