Analysis

  • max time kernel
    150s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 20:11

General

  • Target

    49ca1754b601fdff9195eef03c8d10ad_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    49ca1754b601fdff9195eef03c8d10ad

  • SHA1

    81c197a3d0fd33e1a2cfeb21000f10e0b75b888d

  • SHA256

    59577a6761b8a8e591a8fc74ab8bda83728748652515586b6171f72429d978d8

  • SHA512

    16042c4c755494fcb48b3def0f053b75093d77f24e15f4d75fdba1dacadd19a05a70059450494a0fef70a6c217451279f71e14b42bbaa3f91a4dd72ec3092285

  • SSDEEP

    24576:tqdhnAVHAJkV38Hk00Il1AYIyP/ID+6DiTd2D1/FMSNATS5/BgN:MhNMMHkQ7IDL6dg96TUWN

Malware Config

Extracted

Family

darkcomet

Botnet

WolfTeam Vip

C2

mrblack34.zapto.org:1604

Mutex

DC_MUTEX-ALY4CEP

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    i9KN4qVSLjZW

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies registry class 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49ca1754b601fdff9195eef03c8d10ad_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\49ca1754b601fdff9195eef03c8d10ad_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\49ca1754b601fdff9195eef03c8d10ad_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\49ca1754b601fdff9195eef03c8d10ad_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
          4⤵
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2472
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1506706701-1246725540-2219210854-1000\88603cb2913a7df3fbd16b5f958e6447_62dc4f69-4699-4b35-9f5c-cc69254f52a3

    Filesize

    51B

    MD5

    5fc2ac2a310f49c14d195230b91a8885

    SHA1

    90855cc11136ba31758fe33b5cf9571f9a104879

    SHA256

    374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092

    SHA512

    ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    1.2MB

    MD5

    49ca1754b601fdff9195eef03c8d10ad

    SHA1

    81c197a3d0fd33e1a2cfeb21000f10e0b75b888d

    SHA256

    59577a6761b8a8e591a8fc74ab8bda83728748652515586b6171f72429d978d8

    SHA512

    16042c4c755494fcb48b3def0f053b75093d77f24e15f4d75fdba1dacadd19a05a70059450494a0fef70a6c217451279f71e14b42bbaa3f91a4dd72ec3092285

  • memory/964-8-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/964-6-0x00000000004C0000-0x0000000000509000-memory.dmp

    Filesize

    292KB

  • memory/964-9-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/964-43-0x00000000004C0000-0x0000000000509000-memory.dmp

    Filesize

    292KB

  • memory/964-7-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/964-13-0x00000000004C0000-0x0000000000509000-memory.dmp

    Filesize

    292KB

  • memory/964-45-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/964-0-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/964-1-0x00000000004C0000-0x0000000000509000-memory.dmp

    Filesize

    292KB

  • memory/964-10-0x00000000004C0000-0x0000000000509000-memory.dmp

    Filesize

    292KB

  • memory/2004-72-0x0000000000220000-0x0000000000269000-memory.dmp

    Filesize

    292KB

  • memory/2004-68-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2004-69-0x0000000000220000-0x0000000000269000-memory.dmp

    Filesize

    292KB

  • memory/2004-66-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2004-59-0x0000000000220000-0x0000000000269000-memory.dmp

    Filesize

    292KB

  • memory/2004-67-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2004-73-0x0000000000220000-0x0000000000269000-memory.dmp

    Filesize

    292KB

  • memory/2004-141-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2352-37-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-39-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-38-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-17-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-19-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-57-0x0000000004010000-0x00000000040CD000-memory.dmp

    Filesize

    756KB

  • memory/2352-56-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-53-0x0000000004010000-0x00000000040CD000-memory.dmp

    Filesize

    756KB

  • memory/2352-29-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-25-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-27-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-31-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2352-35-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-36-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-23-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-22-0x0000000000400000-0x00000000004CD000-memory.dmp

    Filesize

    820KB

  • memory/2352-142-0x0000000004010000-0x00000000040CD000-memory.dmp

    Filesize

    756KB