Resubmissions

14/04/2025, 04:20

250414-ex92msynx2 10

14/04/2025, 03:24

250414-dydt6aztet 10

14/04/2025, 02:53

250414-ddh85sy1bs 10

13/04/2025, 19:39

250413-ydbjhssks5 10

13/04/2025, 01:50

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13/04/2025, 01:45

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12/04/2025, 16:37

250412-t49rsaykv4 10

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2025, 01:50

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 19 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 26 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 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:4628
    • 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:3920
      • 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:4676
    • 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:408
      • 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:4496
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:4764
    • 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:4516
  • 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:4968
    • 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:536
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5364
  • 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:5500
    • 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:4556
  • 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:2476
    • 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:3936
  • 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:3612
    • 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:5808
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    1⤵
      PID:3952
      • 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:1780
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      1⤵
        PID:5264
        • 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:452
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        1⤵
          PID:6116
          • 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:1736
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          1⤵
            PID:3616
            • 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:6064
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
            1⤵
              PID:2556
              • 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:2736
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
              1⤵
                PID:1644
                • 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:1624
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                1⤵
                  PID:5456
                  • 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:1752
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                  1⤵
                    PID:5860
                    • 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:756
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                    1⤵
                      PID:2104
                      • 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:1584
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                      1⤵
                        PID:4128
                        • 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:3912
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                        1⤵
                          PID:5112
                          • 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:3640
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                          1⤵
                            PID:2708
                            • 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:1772
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                            1⤵
                              PID:5240
                              • 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:3224
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
                              1⤵
                                PID:1676
                                • 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:1308

                              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

                              • memory/452-25-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/536-16-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/536-6-0x00000000006C0000-0x00000000006C1000-memory.dmp

                                Filesize

                                4KB

                              • memory/756-42-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1308-60-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1584-44-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1624-36-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1736-28-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1752-39-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1772-54-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/1780-22-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/2736-33-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/3224-57-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/3640-51-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/3912-47-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/3936-17-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/4516-12-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/4556-10-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/4628-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

                                Filesize

                                4KB

                              • memory/4628-13-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/4764-8-0x0000000000C90000-0x0000000000C91000-memory.dmp

                                Filesize

                                4KB

                              • memory/5364-7-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

                                Filesize

                                4KB

                              • memory/5808-19-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB

                              • memory/6064-31-0x0000000000400000-0x00000000004B2000-memory.dmp

                                Filesize

                                712KB