Extracted

• • Target

    c497fb31def2da64cc0d027cf9355cbcbf22fd7c255e7cbcde9d80efb9937a9e

  • Size

    1013KB

  • MD5

    84138dffdbd652ba89baed49cc815b6a

  • SHA1

    841af40691b900f06217dc0b0af28d4fef0245a4

  • SHA256

    c497fb31def2da64cc0d027cf9355cbcbf22fd7c255e7cbcde9d80efb9937a9e

  • SHA512

    9aff34103afc917c1e1fbef62a4639a2a6249a295bc05e0fb812d1f64821e3929142a5b51c626aca66668bda9a05a08c8ea037c5b56c298eaf3e424916c20b1b

  • SSDEEP

    24576:BgVo+DZba0sLgKNCAZlcLMP8VoapQrUDz/JOop+mHDTOe51K:So+DKtCAZlzPYeUxO2hKez

  Score

  10^/10

  bdaejecaspackv2backdoordiscoveryevasionexecutiontrojanupxbootkitdefense_evasionpersistence

  • Bdaejec

    Bdaejec is a backdoor written in C++.

    backdoorbdaejec

  • Bdaejec family

    bdaejec

  • Detects Bdaejec Backdoor.

    Bdaejec is backdoor written in C++.

  • Modifies security service

    evasion

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Sets service image path in registry

    persistence

  • ASPack v2.12-2.42

    Detects executables packed with ASPack v2.12-2.42

    aspackv2

  • 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

  • Loads dropped DLL

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • 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

  • AutoIT Executable

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral1behavioral2