Analysis

  • max time kernel
    299s
  • max time network
    301s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2024, 15:07

General

  • Target

    KaanAbiPlzDene.exe

  • Size

    658KB

  • MD5

    90d939df124d1c82d76426280b1fa2c9

  • SHA1

    47f728df8000c0900e6d690f2dec80a6ac05acd6

  • SHA256

    48cdd4b24a56ca0e6ff30aa00eb3d6532484357e931a8f5899fb60471e43eaa5

  • SHA512

    4c4497b206ddedfe9cd80bb0fddf91a7f792843a2f24e4bdd3fb9a6f11485d1d4ab5abc3120216306b75a232e051fdeb30c796d9d6ee26c87eef1344e368f451

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hA:KZ1xuVVjfFoynPaVBUR8f+kN10EBC

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

onsj8tw.localto.net:4441

Mutex

DC_MUTEX-TE42XFY

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    bK7rR71v3MxK

  • 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Windows 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 20 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KaanAbiPlzDene.exe
    "C:\Users\Admin\AppData\Local\Temp\KaanAbiPlzDene.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2680
    • C:\Windows\MSDCSC\msdcsc.exe
      "C:\Windows\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2372
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2100
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2036
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2208
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2792
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1068
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2616
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2916
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2152
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1872
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 > NUL && "C:\Windows\MSDCSC\msdcsc.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:2752
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 4
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2644
        • C:\Windows\MSDCSC\msdcsc.exe
          "C:\Windows\MSDCSC\msdcsc.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1636
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2816
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:344
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2e0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1340
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\WaitDeny.xlsx

    Filesize

    12KB

    MD5

    94bb0370b64772f764c081ebf8c43012

    SHA1

    09e64699ab3a94f231bbbcccc4ccf892da33e5e1

    SHA256

    48069360fcb447eb0839210fc205134e8d39d7b204228f9640774df989a90fcb

    SHA512

    e67e76af45a3b81c3a764e36e87e33239dc507f4b227436c83cb7bce2d1127f68ee3d57f3cc2966f4d1b1174390d1639c5dadd5dc3de76ab59029af3ba402769

  • C:\Windows\MSDCSC\msdcsc.exe

    Filesize

    658KB

    MD5

    90d939df124d1c82d76426280b1fa2c9

    SHA1

    47f728df8000c0900e6d690f2dec80a6ac05acd6

    SHA256

    48cdd4b24a56ca0e6ff30aa00eb3d6532484357e931a8f5899fb60471e43eaa5

    SHA512

    4c4497b206ddedfe9cd80bb0fddf91a7f792843a2f24e4bdd3fb9a6f11485d1d4ab5abc3120216306b75a232e051fdeb30c796d9d6ee26c87eef1344e368f451

  • memory/1636-67-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1636-66-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2188-2-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2188-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2188-0-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2680-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2680-19-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2908-42-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-50-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-37-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-39-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-40-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-33-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-46-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-47-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-49-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-34-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-51-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-56-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-57-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-59-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-32-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2908-31-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB