Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 17:13

General

  • Target

    JaffaCakes118_8c55832a94ce16e0c6ec6a0bf9895784.exe

  • Size

    1.2MB

  • MD5

    8c55832a94ce16e0c6ec6a0bf9895784

  • SHA1

    bb2313ac8f07cafa0cf82379237a5dfcd66f7118

  • SHA256

    01729c97c10457d709e4b9669a624db609e82ff20b65942b99bd814f14bfe536

  • SHA512

    afe0bf6dd4571e1809d0f5df1138c1d26307ca65ee748abccb854d50a7046814dcd71869a7519277857a66e484eeaf3e65f6a4507d4d3b500e17f770563837c0

  • SSDEEP

    24576:AyFNA6AIKHdtTwNyMXOqaUicC9AnwAK7CTJKwjI+:TTySWWjI+

Malware Config

Extracted

Family

darkcomet

Botnet

fvictim

C2

mranarchist11.zapto.org:1604

Mutex

DC_MUTEX-V90U3RC

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    YQruLKBbNyup

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    GoogleUpdate

rc4.plain

Extracted

Family

latentbot

C2

mranarchist11.zapto.org

Signatures

  • Darkcomet

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

  • Darkcomet family
  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 18 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • 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 48 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\JaffaCakes118_8c55832a94ce16e0c6ec6a0bf9895784.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c55832a94ce16e0c6ec6a0bf9895784.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops file in Drivers directory
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2280
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4740
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" +s +h
          4⤵
          • Sets file to hidden
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2716
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2264
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Windows\Microsoft.NET\Framework\v2.0.50727" +s +h
          4⤵
          • Sets file to hidden
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:1488
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
          PID:2936
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 76
            4⤵
            • Program crash
            PID:4008
        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:184
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Update.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Users\Admin\AppData\Local\Temp\Update.exe
        C:\Users\Admin\AppData\Local\Temp\Update.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3844
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          3⤵
          • Modifies firewall policy service
          • Disables RegEdit via registry modification
          • 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:5692
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            4⤵
            • System Location Discovery: System Language Discovery
            PID:5920
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5420
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 2936
      1⤵
        PID:2276
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        1⤵
          PID:3556
          • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4292
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
          1⤵
            PID:5592
            • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
              C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
              2⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:1288
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
            1⤵
              PID:4220
              • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                2⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:400
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
              1⤵
                PID:1080
                • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                  C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                  2⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1796
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                1⤵
                  PID:4904
                  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                    C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                    2⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    PID:4440
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                  1⤵
                    PID:5672
                    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                      2⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      PID:4936
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                    1⤵
                      PID:2052
                      • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                        C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                        2⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4212
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                      1⤵
                        PID:5552
                        • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                          C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                          2⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5080
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                        1⤵
                          PID:3960
                          • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                            C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                            2⤵
                            • Executes dropped EXE
                            • System Location Discovery: System Language Discovery
                            PID:2716
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                          1⤵
                            PID:2008
                            • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                              C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              PID:5404
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                            1⤵
                              PID:1624
                              • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                2⤵
                                • Executes dropped EXE
                                • System Location Discovery: System Language Discovery
                                PID:4136
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                              1⤵
                                PID:5140
                                • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                  C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                  2⤵
                                  • Executes dropped EXE
                                  • System Location Discovery: System Language Discovery
                                  PID:5484
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                1⤵
                                  PID:1288
                                  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                    C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                    2⤵
                                    • Executes dropped EXE
                                    • System Location Discovery: System Language Discovery
                                    PID:2372
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                  1⤵
                                    PID:4836
                                    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
                                      2⤵
                                      • Executes dropped EXE
                                      • System Location Discovery: System Language Discovery
                                      PID:380

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\Update.exe

                                    Filesize

                                    1.2MB

                                    MD5

                                    8c55832a94ce16e0c6ec6a0bf9895784

                                    SHA1

                                    bb2313ac8f07cafa0cf82379237a5dfcd66f7118

                                    SHA256

                                    01729c97c10457d709e4b9669a624db609e82ff20b65942b99bd814f14bfe536

                                    SHA512

                                    afe0bf6dd4571e1809d0f5df1138c1d26307ca65ee748abccb854d50a7046814dcd71869a7519277857a66e484eeaf3e65f6a4507d4d3b500e17f770563837c0

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

                                    Filesize

                                    1.1MB

                                    MD5

                                    d881de17aa8f2e2c08cbb7b265f928f9

                                    SHA1

                                    08936aebc87decf0af6e8eada191062b5e65ac2a

                                    SHA256

                                    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

                                    SHA512

                                    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

                                  • memory/740-0-0x0000000075162000-0x0000000075163000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/740-10-0x0000000075160000-0x0000000075711000-memory.dmp

                                    Filesize

                                    5.7MB

                                  • memory/740-1-0x0000000075160000-0x0000000075711000-memory.dmp

                                    Filesize

                                    5.7MB

                                  • memory/740-2-0x0000000075160000-0x0000000075711000-memory.dmp

                                    Filesize

                                    5.7MB

                                  • memory/2280-3-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2280-4-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2280-7-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2280-8-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2280-9-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2280-36-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2280-32-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/2936-34-0x0000000000410000-0x0000000000411000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3844-16-0x00000000744C2000-0x00000000744C3000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3844-18-0x00000000744C0000-0x0000000074A71000-memory.dmp

                                    Filesize

                                    5.7MB

                                  • memory/3844-23-0x00000000744C0000-0x0000000074A71000-memory.dmp

                                    Filesize

                                    5.7MB

                                  • memory/3844-17-0x00000000744C0000-0x0000000074A71000-memory.dmp

                                    Filesize

                                    5.7MB

                                  • memory/5692-43-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-48-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-26-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-27-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-65-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-39-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-41-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-30-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-45-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-52-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-50-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-29-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-54-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-56-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-58-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-60-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-62-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5692-64-0x0000000000400000-0x00000000004CA000-memory.dmp

                                    Filesize

                                    808KB

                                  • memory/5920-28-0x0000000000C10000-0x0000000000C11000-memory.dmp

                                    Filesize

                                    4KB