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Analysis

  • max time kernel
    150s
  • max time network
    105s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250410-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250410-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    11/04/2025, 22:17

General

  • Target

    3178fcad2d2c2f3c0f4f70aecfb18db7_JaffaCakes118.exe

  • Size

    658KB

  • MD5

    3178fcad2d2c2f3c0f4f70aecfb18db7

  • SHA1

    0ecad6522214f9bef4dd8f2f8eb927827bc4971c

  • SHA256

    dd8650f0e484ba0ea4775ccce3a9644bba747ee92f1b534628525c7ceedc69f9

  • SHA512

    57148c860850344b1086c8765c083862d57d99119914e218aca4c8e80dc9cbe48d206b6aefaea9ad5cda58a459ff5888f1bc82f6fabacd2aa81f52818cef4985

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hV:KZ1xuVVjfFoynPaVBUR8f+kN10EBP

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-7X99PTF

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    DNgeskLTppzX

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    System32.dll

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
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 20 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 27 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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\3178fcad2d2c2f3c0f4f70aecfb18db7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3178fcad2d2c2f3c0f4f70aecfb18db7_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\3178fcad2d2c2f3c0f4f70aecfb18db7_JaffaCakes118.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\3178fcad2d2c2f3c0f4f70aecfb18db7_JaffaCakes118.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3916
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:5440
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2940
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4172
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5776
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5480
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:936
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:4956
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    1⤵
      PID:4936
      • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5016
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      1⤵
        PID:3544
        • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2324
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        1⤵
          PID:5100
          • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
            C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:692
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          1⤵
            PID:1052
            • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
              C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
              2⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              PID:2372
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
            1⤵
              PID:1704
              • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                2⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:5300
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
              1⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1892
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
              1⤵
                PID:456
                • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                  C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                  2⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:948
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                1⤵
                  PID:1244
                  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                    C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                    2⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:2008
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                  1⤵
                    PID:820
                    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                      2⤵
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • System Location Discovery: System Language Discovery
                      PID:5744
                  • C:\Windows\system32\eventvwr.exe
                    "C:\Windows\system32\eventvwr.exe"
                    1⤵
                      PID:992
                      • C:\Windows\system32\mmc.exe
                        "C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc"
                        2⤵
                        • Drops file in System32 directory
                        • Suspicious behavior: GetForegroundWindowSpam
                        • Suspicious use of SetWindowsHookEx
                        PID:960
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                      1⤵
                        PID:4184
                        • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                          C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                          2⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:6088
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                        1⤵
                          PID:5828
                          • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                            C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                            2⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            PID:3868
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                          1⤵
                            PID:2984
                            • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                              C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:1432
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                            1⤵
                              PID:5332
                              • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                2⤵
                                • Executes dropped EXE
                                • System Location Discovery: System Language Discovery
                                PID:4584
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                              1⤵
                                PID:1664
                                • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                  C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                  2⤵
                                  • Executes dropped EXE
                                  • System Location Discovery: System Language Discovery
                                  PID:780
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                1⤵
                                  PID:6056
                                  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                    C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                    2⤵
                                    • Executes dropped EXE
                                    • System Location Discovery: System Language Discovery
                                    PID:5476
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                  1⤵
                                    PID:4020
                                    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                                      2⤵
                                      • Executes dropped EXE
                                      • System Location Discovery: System Language Discovery
                                      PID:4520

                                  Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

                                    Filesize

                                    658KB

                                    MD5

                                    3178fcad2d2c2f3c0f4f70aecfb18db7

                                    SHA1

                                    0ecad6522214f9bef4dd8f2f8eb927827bc4971c

                                    SHA256

                                    dd8650f0e484ba0ea4775ccce3a9644bba747ee92f1b534628525c7ceedc69f9

                                    SHA512

                                    57148c860850344b1086c8765c083862d57d99119914e218aca4c8e80dc9cbe48d206b6aefaea9ad5cda58a459ff5888f1bc82f6fabacd2aa81f52818cef4985

                                  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_utjxqde2.5w2.ps1

                                    Filesize

                                    60B

                                    MD5

                                    d17fe0a3f47be24a6453e9ef58c94641

                                    SHA1

                                    6ab83620379fc69f80c0242105ddffd7d98d5d9d

                                    SHA256

                                    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                                    SHA512

                                    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                                  • memory/692-23-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/780-69-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/936-13-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/948-45-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/960-60-0x0000000021FE0000-0x0000000022508000-memory.dmp

                                    Filesize

                                    5.2MB

                                  • memory/1432-62-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/1500-6-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/1892-43-0x000001A45E690000-0x000001A45E706000-memory.dmp

                                    Filesize

                                    472KB

                                  • memory/1892-42-0x000001A45E5C0000-0x000001A45E604000-memory.dmp

                                    Filesize

                                    272KB

                                  • memory/1892-41-0x000001A45E1C0000-0x000001A45E1E2000-memory.dmp

                                    Filesize

                                    136KB

                                  • memory/2008-50-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/2324-20-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/2372-26-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/2940-8-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/3788-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3788-9-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/3868-58-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/4520-75-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/4584-65-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/4956-15-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5016-18-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5300-29-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5440-4-0x00000000008E0000-0x00000000008E1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5476-72-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5480-3-0x0000000000920000-0x0000000000921000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5744-53-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5776-12-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5776-51-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB

                                  • memory/5776-2-0x0000000002180000-0x0000000002181000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/6088-56-0x0000000000400000-0x00000000004B2000-memory.dmp

                                    Filesize

                                    712KB