Analysis

  • max time kernel
    133s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2025, 19:59

General

  • Target

    JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.exe

  • Size

    944KB

  • MD5

    96a686bb248a355f9a720d9bf61ef064

  • SHA1

    b2a5177dfcdaa530c80f90f941de179ee2fb7b13

  • SHA256

    6738adf5533e75a138acd4a3529e06c684358e6357ed35032e2754f410bcb0fd

  • SHA512

    9f620190913834951e0374975554d15d00b596c15a9580fd81ad3301b76ba9387ceca3a7d261436d47178f848432a5e612584ab2f20a4d9aa4035f73ac0509a2

  • SSDEEP

    24576:hI1FoXBnpw8bzRhObDkvEbSDKC2UmKaHZfKYYPi:hMYBny0zD0DkvG8mKQCYY6

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

rawezhhacker.no-ip.org:1604

Mutex

DC_MUTEX-X873AH0

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    XcXCPdfMkCy9

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 11 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 16 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.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:2800
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96a686bb248a355f9a720d9bf61ef064.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2736
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2364
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2720
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2676
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2488
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1348
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              6⤵
                PID:1860
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:2712
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ALIZEE-FRENCH-SINGER-BEAUTIFUL-GIRL_422_86711.JPG

      Filesize

      25KB

      MD5

      b2ce15fd854993adec70c776a44b1f5e

      SHA1

      e198bcb56e7ed8190ba6cc130b214f4d9de97107

      SHA256

      4277c5fb3c3f661075e0219b9a00892311f1724c348303d1b1cc559d56a642ac

      SHA512

      a11d0ce1e716871aad0ed0c395aa5880c947e924aee862f700a8596832d6c3faa935f2b776bfdac91b79b752643f00990f917c9171c62032669af56a04de0ad7

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

      Filesize

      944KB

      MD5

      96a686bb248a355f9a720d9bf61ef064

      SHA1

      b2a5177dfcdaa530c80f90f941de179ee2fb7b13

      SHA256

      6738adf5533e75a138acd4a3529e06c684358e6357ed35032e2754f410bcb0fd

      SHA512

      9f620190913834951e0374975554d15d00b596c15a9580fd81ad3301b76ba9387ceca3a7d261436d47178f848432a5e612584ab2f20a4d9aa4035f73ac0509a2

    • memory/2676-27-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB

    • memory/2676-55-0x0000000000130000-0x0000000000131000-memory.dmp

      Filesize

      4KB

    • memory/2712-25-0x0000000000120000-0x0000000000122000-memory.dmp

      Filesize

      8KB

    • memory/2800-10-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-19-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-2-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-12-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-4-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-18-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-20-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-6-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-24-0x00000000034B0000-0x00000000034B2000-memory.dmp

      Filesize

      8KB

    • memory/2800-0-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-14-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-16-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-17-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-8-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB

    • memory/2800-93-0x0000000000400000-0x00000000004D1000-memory.dmp

      Filesize

      836KB