Extracted

• • Target
    svhost.exe
  • Size 231KB
  • SHA256 1dbe965ddefde09cf52bcb70561e77b498ad3675f8a71e586aa01a343112b583
  • MD5 2a14f760e04394d5a3824ee782e77b59
  • SHA1 d10e1567b2246a7b876b48dd292a7d81d0aa1536
  • SHA512 7a95a94c28a8ba0e835cbb4eb1e6c4c195d7ed25ed7e9f919526ba4c54ef90d11ede30e5aae7c191a0ad72ba4d5a6cd49175040cd178ceb198671472065db67b
  • SSDEEP 3072:v+F695bOqWLLD8KbgVtn8Mo8G1gVziHzZbIK1YKB/pCAcNqXhwBV3yxSQig8xNxt:4690/5bTgVziHzZnSKrCbYMxPbI8tq
  • TLSH
    T1AD343966F6A100FBD4BA42358D635B02B7B2F0361721ABEF0B94495D7F637E04D29B90
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  bootkitdefense_evasiondiscoveryexecutionxwormpersistenceprivilege_escalationrattrojan

  • Detect Xworm Payload

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Suspicious use of NtCreateProcessExOtherParentProcess

    defense_evasionprivilege_escalation

  • Suspicious use of NtCreateUserProcessOtherParentProcess

    defense_evasionprivilege_escalation

  • Sets service image path in registry

    This determines the executable launched when a service starts. It can be used to establish persistence.

    persistence

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

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

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service

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

    discovery

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  behavioral1behavioral2