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Analysis

  • max time kernel
    131s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 19:15

General

  • Target

    8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe

  • Size

    413KB

  • MD5

    8ba453f79ebd16a8905484681918c2f0

  • SHA1

    9de5f96e61156db2bf6c6379fafe70443a4dcc81

  • SHA256

    a584e4a5826b492a01e11f63f0f9b88bd0dad58c2e3d9070329996d6286b5309

  • SHA512

    1db779bd65bd73dd74e66d5bb618dddf36da4505f63a0d599972557ebe2393041941c764a47345824bcf962e22909a7a5f6d33310b203135441504f0ca1e5168

  • SSDEEP

    6144:Q7/7Wn2iBqScSkltGne4D64jdMcmR5HYfEsq4DKxZtmCmUbLZOTvoU:Q7TykFILjdbmR54csq4DK/tOTwU

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 24 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 52 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 860
      2⤵
      • Program crash
      PID:3276
    • C:\ProgramData\jF33411EhEdM33411\jF33411EhEdM33411.exe
      "C:\ProgramData\jF33411EhEdM33411\jF33411EhEdM33411.exe" "C:\Users\Admin\AppData\Local\Temp\8ba453f79ebd16a8905484681918c2f0_JaffaCakes118.exe"
      2⤵
      • Modifies security service
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 852
        3⤵
        • Program crash
        PID:2036
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3188 -ip 3188
    1⤵
      PID:3688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4824 -ip 4824
      1⤵
        PID:4724
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:3620
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:1624
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:4580
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:456
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:1944
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2932
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2972
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:4492
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          PID:1476
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1360
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:3540
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2632
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2328
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:832
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2928
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:3404
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:1516
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:3128
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4784
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4924
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:3264
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:2464
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4700
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:3028
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:448
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:1692
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          PID:3592
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4116
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4292
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4020
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:732
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          PID:4648
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
            PID:5088
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
              PID:3892
            • C:\Windows\explorer.exe
              explorer.exe
              1⤵
                PID:3216
              • C:\Windows\explorer.exe
                explorer.exe
                1⤵
                  PID:3324
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                    PID:2440
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:1356
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                        PID:3644
                      • C:\Windows\explorer.exe
                        explorer.exe
                        1⤵
                          PID:1560
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                            PID:2168
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                              PID:448
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                                PID:5004
                              • C:\Windows\explorer.exe
                                explorer.exe
                                1⤵
                                  PID:3260
                                • C:\Windows\explorer.exe
                                  explorer.exe
                                  1⤵
                                    PID:3040
                                  • C:\Windows\explorer.exe
                                    explorer.exe
                                    1⤵
                                      PID:4024
                                    • C:\Windows\explorer.exe
                                      explorer.exe
                                      1⤵
                                        PID:4600
                                      • C:\Windows\explorer.exe
                                        explorer.exe
                                        1⤵
                                          PID:3172
                                        • C:\Windows\explorer.exe
                                          explorer.exe
                                          1⤵
                                            PID:984
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:4388
                                            • C:\Windows\explorer.exe
                                              explorer.exe
                                              1⤵
                                                PID:2368
                                              • C:\Windows\explorer.exe
                                                explorer.exe
                                                1⤵
                                                  PID:2088
                                                • C:\Windows\explorer.exe
                                                  explorer.exe
                                                  1⤵
                                                    PID:3620
                                                  • C:\Windows\explorer.exe
                                                    explorer.exe
                                                    1⤵
                                                      PID:4216

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    • C:\ProgramData\jF33411EhEdM33411\jF33411EhEdM33411.exe

                                                      Filesize

                                                      413KB

                                                      MD5

                                                      a72ad51a649917a08258fbd8e040a7e2

                                                      SHA1

                                                      cea8be317705a4d72b7770ae43a47b79648a5ca6

                                                      SHA256

                                                      dbf666e32ed31cac458654b51e3d288ab1c5c03651f1bb2943692e2e2e2a4162

                                                      SHA512

                                                      52296a13197c7ab4bdbc97722509bb75826ce99de92a20264ecf71a23728d5efcb19dd94e51bfdf62061558810d0a9d5693ecf40e0292c84f1bed9d745aa417a

                                                    • memory/3188-0-0x0000000002230000-0x0000000002233000-memory.dmp

                                                      Filesize

                                                      12KB

                                                    • memory/3188-1-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/3188-10-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/3188-19-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/4824-21-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/4824-22-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/4824-28-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/4824-35-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/4824-36-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB

                                                    • memory/4824-37-0x0000000000400000-0x00000000004D2000-memory.dmp

                                                      Filesize

                                                      840KB