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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 20:50

General

  • Target

    JaffaCakes118_682da2ccae76111c09259cd266455b80.exe

  • Size

    923KB

  • MD5

    682da2ccae76111c09259cd266455b80

  • SHA1

    e38abd3d0c8c9a35f96530394665fc5b430608fe

  • SHA256

    1645887545149105df230d360c1d505a197025e5dff6cb231dcc4415f5a966e2

  • SHA512

    ea916addaa81b685e410e75b52f3b1ad1883c2263cd272ba2ceb6d0a5b032fe8f23cfee15a22f501a0f61af4dc2b6315212fbc52e5a464dab2c7e6635f524d6c

  • SSDEEP

    12288:6t62RB8MItKik4O8LsgGTXduAqnr0oObvIxHtpdvm+cpim9mMvOUO1Yx1KBkAm/Y:nJMjNL8LXbyj2ZNc0fiO5YxBAGxc

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-DVZCVWJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    z1Hiq9E1g4Nq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 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 9 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_682da2ccae76111c09259cd266455b80.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_682da2ccae76111c09259cd266455b80.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_682da2ccae76111c09259cd266455b80.ExE
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_682da2ccae76111c09259cd266455b80.ExE"
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_682da2ccae76111c09259cd266455b80.ExE" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_682da2ccae76111c09259cd266455b80.ExE" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:332
      • 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:2540
        • 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:2760
      • C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
        "C:\Windows\system32\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2960
        • C:\Windows\SysWOW64\MSDCSC\msdcsc.ExE
          "C:\Windows\SysWOW64\MSDCSC\msdcsc.ExE"
          4⤵
          • Modifies firewall policy service
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\MSDCSC\msdcsc.exe

    Filesize

    923KB

    MD5

    682da2ccae76111c09259cd266455b80

    SHA1

    e38abd3d0c8c9a35f96530394665fc5b430608fe

    SHA256

    1645887545149105df230d360c1d505a197025e5dff6cb231dcc4415f5a966e2

    SHA512

    ea916addaa81b685e410e75b52f3b1ad1883c2263cd272ba2ceb6d0a5b032fe8f23cfee15a22f501a0f61af4dc2b6315212fbc52e5a464dab2c7e6635f524d6c

  • memory/2128-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2128-1-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/2128-3-0x0000000000240000-0x0000000000250000-memory.dmp

    Filesize

    64KB

  • memory/2128-7-0x0000000000280000-0x0000000000290000-memory.dmp

    Filesize

    64KB

  • memory/2128-14-0x0000000000380000-0x0000000000390000-memory.dmp

    Filesize

    64KB

  • memory/2128-13-0x0000000000370000-0x0000000000380000-memory.dmp

    Filesize

    64KB

  • memory/2128-15-0x0000000000390000-0x00000000003A0000-memory.dmp

    Filesize

    64KB

  • memory/2128-12-0x00000000002E0000-0x00000000002F0000-memory.dmp

    Filesize

    64KB

  • memory/2128-11-0x00000000002D0000-0x00000000002E0000-memory.dmp

    Filesize

    64KB

  • memory/2128-10-0x00000000002C0000-0x00000000002D0000-memory.dmp

    Filesize

    64KB

  • memory/2128-9-0x00000000002B0000-0x00000000002C0000-memory.dmp

    Filesize

    64KB

  • memory/2128-8-0x0000000000290000-0x00000000002A0000-memory.dmp

    Filesize

    64KB

  • memory/2128-6-0x0000000000270000-0x0000000000280000-memory.dmp

    Filesize

    64KB

  • memory/2128-5-0x0000000000260000-0x0000000000270000-memory.dmp

    Filesize

    64KB

  • memory/2128-4-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/2128-2-0x0000000000230000-0x0000000000240000-memory.dmp

    Filesize

    64KB

  • memory/2128-16-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/2128-17-0x00000000003B0000-0x00000000003C0000-memory.dmp

    Filesize

    64KB

  • memory/2128-18-0x00000000003C0000-0x00000000003D0000-memory.dmp

    Filesize

    64KB

  • memory/2128-19-0x00000000003D0000-0x00000000003E0000-memory.dmp

    Filesize

    64KB

  • memory/2128-20-0x00000000003E0000-0x00000000003F0000-memory.dmp

    Filesize

    64KB

  • memory/2128-21-0x00000000003F0000-0x0000000000400000-memory.dmp

    Filesize

    64KB

  • memory/2128-22-0x00000000004F0000-0x0000000000500000-memory.dmp

    Filesize

    64KB

  • memory/2128-23-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2128-24-0x0000000000510000-0x0000000000520000-memory.dmp

    Filesize

    64KB

  • memory/2128-25-0x0000000000520000-0x0000000000530000-memory.dmp

    Filesize

    64KB

  • memory/2128-26-0x0000000000530000-0x0000000000540000-memory.dmp

    Filesize

    64KB

  • memory/2128-27-0x0000000000540000-0x0000000000550000-memory.dmp

    Filesize

    64KB

  • memory/2128-28-0x0000000001D70000-0x0000000001D80000-memory.dmp

    Filesize

    64KB

  • memory/2128-29-0x0000000001D80000-0x0000000001D90000-memory.dmp

    Filesize

    64KB

  • memory/2128-30-0x0000000001D90000-0x0000000001DA0000-memory.dmp

    Filesize

    64KB

  • memory/2128-31-0x0000000001DA0000-0x0000000001DB0000-memory.dmp

    Filesize

    64KB

  • memory/2128-32-0x0000000001DB0000-0x0000000001DC0000-memory.dmp

    Filesize

    64KB

  • memory/2128-33-0x0000000001DC0000-0x0000000001DD0000-memory.dmp

    Filesize

    64KB

  • memory/2128-34-0x0000000001DD0000-0x0000000001DE0000-memory.dmp

    Filesize

    64KB

  • memory/2128-35-0x0000000001DE0000-0x0000000001DF0000-memory.dmp

    Filesize

    64KB

  • memory/2128-36-0x0000000001DF0000-0x0000000001E00000-memory.dmp

    Filesize

    64KB

  • memory/2128-37-0x0000000001E10000-0x0000000001E20000-memory.dmp

    Filesize

    64KB

  • memory/2128-38-0x0000000001E20000-0x0000000001E30000-memory.dmp

    Filesize

    64KB

  • memory/2128-39-0x0000000001E30000-0x0000000001E40000-memory.dmp

    Filesize

    64KB

  • memory/2128-40-0x0000000001E40000-0x0000000001E50000-memory.dmp

    Filesize

    64KB

  • memory/2128-41-0x0000000001E50000-0x0000000001E60000-memory.dmp

    Filesize

    64KB

  • memory/2128-42-0x0000000001E60000-0x0000000001E70000-memory.dmp

    Filesize

    64KB

  • memory/2128-43-0x0000000001E70000-0x0000000001E80000-memory.dmp

    Filesize

    64KB

  • memory/2128-44-0x0000000001E80000-0x0000000001E90000-memory.dmp

    Filesize

    64KB

  • memory/2128-45-0x0000000001E90000-0x0000000001EA0000-memory.dmp

    Filesize

    64KB

  • memory/2128-46-0x0000000001EA0000-0x0000000001EB0000-memory.dmp

    Filesize

    64KB

  • memory/2128-47-0x0000000001EB0000-0x0000000001EC0000-memory.dmp

    Filesize

    64KB

  • memory/2128-48-0x0000000001EC0000-0x0000000001ED0000-memory.dmp

    Filesize

    64KB

  • memory/2128-49-0x0000000001ED0000-0x0000000001EE0000-memory.dmp

    Filesize

    64KB

  • memory/2128-50-0x00000000026C0000-0x00000000026D0000-memory.dmp

    Filesize

    64KB

  • memory/2128-51-0x00000000026D0000-0x00000000026E0000-memory.dmp

    Filesize

    64KB

  • memory/2128-52-0x00000000026E0000-0x00000000026F0000-memory.dmp

    Filesize

    64KB

  • memory/2128-53-0x00000000026F0000-0x0000000002700000-memory.dmp

    Filesize

    64KB

  • memory/2128-54-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/2128-55-0x0000000002710000-0x0000000002720000-memory.dmp

    Filesize

    64KB

  • memory/2128-56-0x00000000027A0000-0x00000000027B0000-memory.dmp

    Filesize

    64KB

  • memory/2128-57-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/2128-58-0x00000000027C0000-0x00000000027D0000-memory.dmp

    Filesize

    64KB

  • memory/2128-59-0x00000000027D0000-0x00000000027E0000-memory.dmp

    Filesize

    64KB

  • memory/2128-60-0x00000000027E0000-0x00000000027F0000-memory.dmp

    Filesize

    64KB

  • memory/2128-61-0x00000000027F0000-0x0000000002800000-memory.dmp

    Filesize

    64KB

  • memory/2128-62-0x0000000002800000-0x0000000002810000-memory.dmp

    Filesize

    64KB

  • memory/2128-63-0x0000000002810000-0x0000000002820000-memory.dmp

    Filesize

    64KB

  • memory/2128-64-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/2128-89-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2700-93-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2700-92-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2700-91-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2700-104-0x0000000003F20000-0x0000000003F30000-memory.dmp

    Filesize

    64KB

  • memory/2700-103-0x0000000003F20000-0x0000000003F30000-memory.dmp

    Filesize

    64KB

  • memory/2700-177-0x0000000000400000-0x00000000004E5000-memory.dmp

    Filesize

    916KB

  • memory/2960-198-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB