Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 07:56

General

  • Target

    a6c276ecdf80e884ddf1ea1ee8e47333_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    a6c276ecdf80e884ddf1ea1ee8e47333

  • SHA1

    175f19227e7e4713f2aca3e921a870ba9b104e37

  • SHA256

    5b05f39849ba86edcaf780e7eb3721fd40dc54fe8591208784860f31bf9eadbf

  • SHA512

    f627a1fd89f29cd16c4e207678995b059ebb4f844f782b2022314db321de2bad1f29ceda017c44d8ea460824f739b26c1d0d248a1c06d8948853968299098294

  • SSDEEP

    49152:xNp9txvr44OO/dHuky5mCpp5rHN3No9N4tKm+fjmMofknWbRvFGB:7zt5U4Iky5mCL5rVMN4UmAjmxfknB

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-3KS6TLH

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    c8CUvW0ZVRpc

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\wininit.exe
    wininit.exe
    1⤵
      PID:384
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:476
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:608
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:1312
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:1812
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k RPCSS
                  3⤵
                    PID:688
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                    3⤵
                      PID:764
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                      3⤵
                        PID:828
                        • C:\Windows\system32\Dwm.exe
                          "C:\Windows\system32\Dwm.exe"
                          4⤵
                            PID:1176
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:864
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalService
                            3⤵
                              PID:988
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k NetworkService
                              3⤵
                                PID:292
                              • C:\Windows\System32\spoolsv.exe
                                C:\Windows\System32\spoolsv.exe
                                3⤵
                                  PID:704
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                  3⤵
                                    PID:1076
                                  • C:\Windows\system32\taskhost.exe
                                    "taskhost.exe"
                                    3⤵
                                      PID:1116
                                    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                      3⤵
                                        PID:1732
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                        3⤵
                                          PID:1048
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:2876
                                        • C:\Windows\system32\lsass.exe
                                          C:\Windows\system32\lsass.exe
                                          2⤵
                                            PID:488
                                          • C:\Windows\system32\lsm.exe
                                            C:\Windows\system32\lsm.exe
                                            2⤵
                                              PID:496
                                          • C:\Windows\system32\csrss.exe
                                            %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                            1⤵
                                              PID:396
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:432
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1268
                                                  • C:\Users\Admin\AppData\Local\Temp\a6c276ecdf80e884ddf1ea1ee8e47333_JaffaCakes118.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\a6c276ecdf80e884ddf1ea1ee8e47333_JaffaCakes118.exe"
                                                    2⤵
                                                    • Modifies WinLogon for persistence
                                                    • Adds Run key to start application
                                                    • Drops file in System32 directory
                                                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                                                    • System Location Discovery: System Language Discovery
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:3068
                                                    • C:\Windows\SysWOW64\WerFault.exe
                                                      C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 724
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Program crash
                                                      PID:8052

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • C:\Windows\SysWOW64\WerFault.exe

                                                  Filesize

                                                  352KB

                                                  MD5

                                                  5feab868caedbbd1b7a145ca8261e4aa

                                                  SHA1

                                                  f43f28cc5165608e6fb3794e9a3d083ca2c75f0e

                                                  SHA256

                                                  08bace187a0225e10677de9aa6738a7118be3e5cad6dc45fb8d3366a61bb343c

                                                  SHA512

                                                  91108ab6dd422c1d500fc0a65df6faffdb7000828a0f908b1c053129b4b8702fdb7309fa3f4f6054ad542dfe24fd4853e2fe32f7e45aa369e7a3cb6137bdaca1

                                                • memory/3068-528-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-512-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-504-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-0-0x0000000000400000-0x0000000000618000-memory.dmp

                                                  Filesize

                                                  2.1MB

                                                • memory/3068-520-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-526-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-538-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-550-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-548-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-546-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-544-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-542-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-540-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-536-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-534-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-532-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-1-0x0000000076120000-0x0000000076167000-memory.dmp

                                                  Filesize

                                                  284KB

                                                • memory/3068-503-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-524-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-522-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-518-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-516-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-514-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-510-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-508-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-506-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-552-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-554-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-560-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-564-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-562-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-558-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-556-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-530-0x0000000002480000-0x0000000002591000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/3068-7784-0x0000000000400000-0x0000000000618000-memory.dmp

                                                  Filesize

                                                  2.1MB