Extracted

• • Target

    d.exe

  • Size

    535KB

  • MD5

    57115831ac146b6cb3f7ec7cd9a1605d

  • SHA1

    69d405d684d62de97ee01d6cade6dfb73b7d9907

  • SHA256

    5abfb1260f82ca7097e929769e15d729108585887b9002a31c77f04416a330bf

  • SHA512

    8fafbe7b856ea0963e1193e1435177e2ff085de040c019b95e728ecc6b8de18a7e6b294c051dd2e8ac6d64402528e66077574c76a82d0dcbb9684f6e914601b7

  • SSDEEP

    12288:pweUk3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sd16f:6FekGTy

  Score

  10^/10

  xwormbootkitdefense_evasiondiscoveryexecutionpersistencerattrojan

  • Detect Xworm Payload

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Sets service image path in registry

    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

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • 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.

  • 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

  • Suspicious use of SetThreadContext

  behavioral1