Analysis

  • max time kernel
    148s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 20:42

General

  • Target

    ee63a3b1daeb1feda8d2f9dbe7d85465_JaffaCakes118.exe

  • Size

    508KB

  • MD5

    ee63a3b1daeb1feda8d2f9dbe7d85465

  • SHA1

    cebf6071ca26ef937b1ee3a99fddf0e7f687c3da

  • SHA256

    49c1288cccadf9cf68e10959ce801d57b575c326ad0b247a28cdc7de2887f972

  • SHA512

    59ef6e5a4b9f8374d6741cc5f38ca44126f3ddd7cffc291b077c5659080bdf54cb1b1627aa225eddb3ac2ad362f3b0d884a70921cbbb3419dfd49f381f8f4b73

  • SSDEEP

    12288:EYmReXDdp/3TqpB0eO1l/W9CPH5WzYZk2gCHcidvt:EYgMz7Wcu9CPBZkRC8O

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee63a3b1daeb1feda8d2f9dbe7d85465_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ee63a3b1daeb1feda8d2f9dbe7d85465_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2108
      • 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:2500
        • 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:864
      • 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\vbc.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\vbc.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\vbc.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\vbc.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2904
      • 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:2864
        • 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:2900
      • 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\MyNewServer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MyNewServer.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\MyNewServer.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MyNewServer.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\vbc.exe

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/2096-0-0x00000000749F1000-0x00000000749F2000-memory.dmp

    Filesize

    4KB

  • memory/2096-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-2-0x00000000749F0000-0x0000000074F9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2096-19-0x00000000749F0000-0x0000000074F9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-10-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2108-11-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-15-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-7-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-26-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-27-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-29-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-30-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-31-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-34-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-35-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2108-38-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB