Extracted

• • Target

    b2fe0511eda3cdc29ee2bae158f0db1a47c6f0336837e1dbfebd61d0bac9cdb9N.exe

  • Size

    826KB

  • MD5

    8303bec0b6b917650d340264c81a2450

  • SHA1

    6098569d7f3c959b23529da42f7359a8603012ac

  • SHA256

    b2fe0511eda3cdc29ee2bae158f0db1a47c6f0336837e1dbfebd61d0bac9cdb9

  • SHA512

    02e25bbf0d80cee89e3ccf81a30430caf9a2f997f000466c756572b674d12c93c5eafd91e8184457eb04274b831af1ee349950054e3fc073a4310d777f6352f5

  • SSDEEP

    24576:Im6Pq25dBZggMxhYtbVRCVo1Y1FWenSzLBbLl3:I+4dBSggWVYVkyWZL

  Score

  10^/10

  xwormdiscoveryexecutionrattrojanbootkitdefense_evasionpersistence

  • Detect Xworm Payload

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • 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

  • Loads dropped DLL

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • 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