Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2025, 02:35

General

  • Target

    JaffaCakes118_feb75e30a78572b9e34e607638d922e1.exe

  • Size

    709KB

  • MD5

    feb75e30a78572b9e34e607638d922e1

  • SHA1

    89a0aad8def359e25966775c2bac0a63a075bbdc

  • SHA256

    68a99e125e9cee7c4a208cf4b9684e7fbd3ae565a605f8e7fca1090960107fc0

  • SHA512

    c4cc878b8eb86c9bbb2342bd123e013b17209c3f17af94a55ad159faafc546505f8bed4d51688b61c3f0f7e88e96021b6fcc0f9586660f79a6b2d1d75e92320d

  • SSDEEP

    12288:yvlur6Co65A+i1nEGs+xQinCHulkxNTpFLdVJyBFkZSv6Z7SLAdMJ3rQVr/qn+Ir:yvl66gSr2+7JlkD1l9yFkZSfGZCnjGQB

Malware Config

Extracted

Family

darkcomet

Botnet

HACKED

C2

mrlokoniqq.no-ip.org:81

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    zDM8Hz7Pn2la

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

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
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • 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 7 IoCs
  • Windows security modification 2 TTPs 2 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).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feb75e30a78572b9e34e607638d922e1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feb75e30a78572b9e34e607638d922e1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feb75e30a78572b9e34e607638d922e1.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feb75e30a78572b9e34e607638d922e1.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:2068
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feb75e30a78572b9e34e607638d922e1.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feb75e30a78572b9e34e607638d922e1.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2752
      • 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:2716
        • 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:2160
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2704
      • 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 SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
          4⤵
          • Modifies security service
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:2124
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1148
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 228
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 228
      2⤵
      • Program crash
      PID:580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    709KB

    MD5

    feb75e30a78572b9e34e607638d922e1

    SHA1

    89a0aad8def359e25966775c2bac0a63a075bbdc

    SHA256

    68a99e125e9cee7c4a208cf4b9684e7fbd3ae565a605f8e7fca1090960107fc0

    SHA512

    c4cc878b8eb86c9bbb2342bd123e013b17209c3f17af94a55ad159faafc546505f8bed4d51688b61c3f0f7e88e96021b6fcc0f9586660f79a6b2d1d75e92320d

  • memory/1124-6-0x0000000000300000-0x0000000000310000-memory.dmp

    Filesize

    64KB

  • memory/1124-4-0x00000000002E0000-0x00000000002F0000-memory.dmp

    Filesize

    64KB

  • memory/1124-12-0x0000000000360000-0x0000000000370000-memory.dmp

    Filesize

    64KB

  • memory/1124-11-0x0000000000350000-0x0000000000360000-memory.dmp

    Filesize

    64KB

  • memory/1124-10-0x0000000000340000-0x0000000000350000-memory.dmp

    Filesize

    64KB

  • memory/1124-9-0x0000000000330000-0x0000000000340000-memory.dmp

    Filesize

    64KB

  • memory/1124-8-0x0000000000320000-0x0000000000330000-memory.dmp

    Filesize

    64KB

  • memory/1124-16-0x00000000003B0000-0x00000000003C0000-memory.dmp

    Filesize

    64KB

  • memory/1124-14-0x0000000000380000-0x0000000000390000-memory.dmp

    Filesize

    64KB

  • memory/1124-13-0x0000000000370000-0x0000000000380000-memory.dmp

    Filesize

    64KB

  • memory/1124-5-0x00000000002F0000-0x0000000000300000-memory.dmp

    Filesize

    64KB

  • memory/1124-7-0x0000000000310000-0x0000000000320000-memory.dmp

    Filesize

    64KB

  • memory/1124-3-0x00000000002D0000-0x00000000002E0000-memory.dmp

    Filesize

    64KB

  • memory/1124-2-0x00000000002C0000-0x00000000002D0000-memory.dmp

    Filesize

    64KB

  • memory/1124-1-0x0000000000230000-0x0000000000240000-memory.dmp

    Filesize

    64KB

  • memory/1124-0-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/1124-15-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/2068-32-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-21-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-36-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-40-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-39-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-30-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-28-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-25-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-23-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-26-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-37-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2068-19-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-42-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2068-38-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2168-75-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB

  • memory/2168-74-0x0000000000240000-0x0000000000250000-memory.dmp

    Filesize

    64KB

  • memory/2168-79-0x0000000000320000-0x0000000000330000-memory.dmp

    Filesize

    64KB

  • memory/2168-78-0x0000000000310000-0x0000000000320000-memory.dmp

    Filesize

    64KB

  • memory/2168-77-0x0000000000300000-0x0000000000310000-memory.dmp

    Filesize

    64KB

  • memory/2168-76-0x0000000000260000-0x0000000000270000-memory.dmp

    Filesize

    64KB

  • memory/2704-45-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2704-60-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB