Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2024 22:24

General

  • Target

    447744547bc5a5971b2443dda1018377_JaffaCakes118.exe

  • Size

    714KB

  • MD5

    447744547bc5a5971b2443dda1018377

  • SHA1

    3f014407e6c724a1eabcc57723bfe12db5b10188

  • SHA256

    f3cb737ca89ce26add94b6c7943d835ee6a40610dd5b43b4849e0ae2b25a5f4b

  • SHA512

    36f8c632348dc5eadc14389f5ceeac88b4c2a43ea57d08b9797d43bc621ba3bf10ff0919ef83dcbe61dcb4db225690c6a4cac6c8c103b4869bf24b1d7c7844f8

  • SSDEEP

    12288:GaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdj:XAEENIq8XwyVPQclDq/+WnpsSj

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\447744547bc5a5971b2443dda1018377_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\447744547bc5a5971b2443dda1018377_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • Executes dropped EXE
      PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\svchost.exe

    Filesize

    20KB

    MD5

    54a47f6b5e09a77e61649109c6a08866

    SHA1

    4af001b3c3816b860660cf2de2c0fd3c1dfb4878

    SHA256

    121118a0f5e0e8c933efd28c9901e54e42792619a8a3a6d11e1f0025a7324bc2

    SHA512

    88ee0ef5af1b0b38c19ab4c307636352fc403ea74f3bfb17e246f7fd815ac042183086133cd9fe805bd47e15854776871bb7d384e419862c91503eeb82bfb419

  • memory/2668-0-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2668-3-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB