Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 14:50

General

  • Target

    700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe

  • Size

    870KB

  • MD5

    700a117ce921dc8d7339c7d7759846c1

  • SHA1

    561dd8d0637b39e3b1ab3995de14462857379af0

  • SHA256

    6ef91a8a673d68953b762d1d8a3aa763575b01da983c79d86461d8598cd77509

  • SHA512

    fd6c9ff8adc7d8e62d9e3d66ceee06c4ad0e8788b408ae8c1f7c9bd5abf646dfe70efccd48034ce59aa9b4ed62177e8e3f862dbec371668536e3a50da8aae009

  • SSDEEP

    24576:ftqFdk7Uxc4lU6HaWfnj23LE/lGyy9716tEg7pkycWH/zGzMCE:ftqFu7cc4lU6HaWfnj2wtGyoupky/7X

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Accessibility Features 1 TTPs

    Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Checks computer location settings
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2728
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5016
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\700a117ce921dc8d7339c7d7759846c1_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:748
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4468
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\RAVCpl.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\RAVCpl.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4568
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\RAVCpl.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\RAVCpl.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1816
    • C:\Users\Admin\AppData\Local\Temp\Utilman.exe
      "C:\Users\Admin\AppData\Local\Temp\Utilman.exe"
      2⤵
      • Executes dropped EXE
      PID:1212
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OFMnGW.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1292
  • C:\Windows\system32\utilman.exe
    utilman.exe /debug
    1⤵
      PID:4504
    • C:\Windows\System32\SystemSettingsBroker.exe
      C:\Windows\System32\SystemSettingsBroker.exe -Embedding
      1⤵
        PID:4956
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
        1⤵
          PID:2112

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\OFMnGW.bat

                Filesize

                202B

                MD5

                1ab7d4b9972e515b32625b541d695e13

                SHA1

                ec8a358f3502f5b8ce3a260e844daa9c15f951a6

                SHA256

                121e21216e7cfa1064180792f3a2b6668c80f226c177a90146fb7eb1bc0a6211

                SHA512

                1e2e7a7f947363818767863a7262efdad8624ab0c028490f2cd0d898d5e434f3319c642e5a09a201b6b29062f495f431f977c254aef540d7a1fe88018267d6e0

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

                Filesize

                1.3MB

                MD5

                32c5ee55eadfc071e57851e26ac98477

                SHA1

                8f8d0aee344e152424143da49ce2c7badabb8f9d

                SHA256

                7ca90616e68bc851f14658a366d80f21ddb7a7dd8a866049e54651158784a9ea

                SHA512

                e0943efa81f3087c84a5909c72a436671ee8cc3cc80154901430e83ec7966aac800ad4b26f4a174a0071da617c0982ceda584686c6e2056e1a83e864aca6c975

              • memory/4552-34-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-35-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-7-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-5-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-46-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-30-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-31-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-33-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-45-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-3-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-37-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-38-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-39-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-40-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-42-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/4552-43-0x0000000000400000-0x000000000047B000-memory.dmp

                Filesize

                492KB

              • memory/5044-0-0x0000000000400000-0x00000000005F9000-memory.dmp

                Filesize

                2.0MB

              • memory/5044-29-0x0000000000400000-0x00000000005F9000-memory.dmp

                Filesize

                2.0MB