General

  • Target

    pivot_v5-2.exe

  • Size

    662KB

  • Sample

    240913-yxfycawell

  • MD5

    2c60a6deba7dbae94f76d94bd81a8dd7

  • SHA1

    759c0d563cc7051627409715e8081f7e00d940a8

  • SHA256

    1952334b617bcfa62aef1bc4f7640674986cb6cd021c29f43e0a85912775b81a

  • SHA512

    e3165a1fe4af119b621c457e770be313394d7201c755b3be6622871db5da76444b5792eac4c3f24bdae0e62b39ea89cb8322869c0dcb2674485ad6efea05bff1

  • SSDEEP

    12288:TymCz84Lnka4eec2ZZEhl3qgi4Bfig3bBiFPYp:TIz84Lnk5LEhl3qZ7pBYp

Malware Config

Targets

    • Target

      pivot_v5-2.exe

    • Size

      662KB

    • MD5

      2c60a6deba7dbae94f76d94bd81a8dd7

    • SHA1

      759c0d563cc7051627409715e8081f7e00d940a8

    • SHA256

      1952334b617bcfa62aef1bc4f7640674986cb6cd021c29f43e0a85912775b81a

    • SHA512

      e3165a1fe4af119b621c457e770be313394d7201c755b3be6622871db5da76444b5792eac4c3f24bdae0e62b39ea89cb8322869c0dcb2674485ad6efea05bff1

    • SSDEEP

      12288:TymCz84Lnka4eec2ZZEhl3qgi4Bfig3bBiFPYp:TIz84Lnk5LEhl3qZ7pBYp

    • Cobalt Strike reflective loader

      Detects the reflective loader used by Cobalt Strike.

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Modifies powershell logging option

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks