Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 10:13

General

  • Target

    344c9f8bb40aa8d418877688d3a41fd0_JaffaCakes118.exe

  • Size

    504KB

  • MD5

    344c9f8bb40aa8d418877688d3a41fd0

  • SHA1

    17e38e875783b49651f6291f0ac409fd25914fca

  • SHA256

    474c35a825f6479d3a746c5b93560f558a65904f4fc9ac212e39eef57f3952f9

  • SHA512

    04d9a534b1cbb5a2146d7f7591eed3ef20d13077748ddbef8717484b40c2c0996d514404677efd8036cc2a49b96f14510cca68ef7cf192ddce1bb6567724b8a7

  • SSDEEP

    6144:fEEW+lsC2zPbJTb7BUpilmz1hD6RDvEJxjW/vNMp3Fdy9h5vhE4v+wtl3NeF7B:c7+ALbNb7BUpF8UqNY3FMaNWl3wF

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 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.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\344c9f8bb40aa8d418877688d3a41fd0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\344c9f8bb40aa8d418877688d3a41fd0_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\win28.exe
      C:\Users\Admin\AppData\Local\Temp\win28.exe
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:440
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:4028
        • 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
          • Modifies registry key
          PID:2448
      • 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\win28.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\win28.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\win28.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\win28.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:4668
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:2972
        • 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
          • Modifies registry key
          PID:2908
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\ARMRXIJI6I.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ARMRXIJI6I.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2784
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\ARMRXIJI6I.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ARMRXIJI6I.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\win28.exe

    Filesize

    7KB

    MD5

    d79efb472a22ad75d501317b21e66b5e

    SHA1

    24512f54884d3dda2d803457bbd3dcd513356196

    SHA256

    7255b1d1f001b9d9a5177e1f8063bcc824effe3570e6c19508babe12bb73c7d6

    SHA512

    7c5a2f516a727ddeb05f9a7c6565375debb05709ac9b95212fc748cba37a2ab81b7d727636141096e4511679ce140b07b37fdf36cfb47d8d1c8accdd24163ae5

  • memory/440-4-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-8-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-17-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-18-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-19-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-22-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-25-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/440-26-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/3024-0-0x0000000074E02000-0x0000000074E03000-memory.dmp

    Filesize

    4KB

  • memory/3024-1-0x0000000074E00000-0x00000000753B1000-memory.dmp

    Filesize

    5.7MB

  • memory/3024-14-0x0000000074E00000-0x00000000753B1000-memory.dmp

    Filesize

    5.7MB