Extracted

• • Target

    $77Test.exe

  • Size

    178KB

  • MD5

    5b29aa7bc64ce7a59e945d4f03ab1609

  • SHA1

    2a20d808eebb856992481d506e3cbbabb87784f8

  • SHA256

    8447ead3867613cf99681b3702f32486e30bef2094090465034a8f9aa6b5d85b

  • SHA512

    2db3196889aa243a106e87fe794bf9458c24306d0f38e49ff3624c055a13f79de86082d031693dd0d14f19926cf4a67ba169e298325a38868cb970990c95eb41

  • SSDEEP

    3072:EFrK6JiDXY14ByBjjLZV6nqXfBYiosJdtM2dRmubBZENoHULR83uNMxjevy:EFm6YI1xH/0GJ5B5UOeqpe

  Score

  10^/10

  xwormbootkitdefense_evasiondiscoveryexecutionpersistencerattrojan

  • Detect Xworm Payload

  • 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.

  • Drops startup file

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

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

    defense_evasion

  • Adds Run key to start application

    persistence

  • 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.

  • 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.

  • 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

  behavioral1