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Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2024, 00:43

General

  • Target

    a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe

  • Size

    436KB

  • MD5

    a4bdcefd97821332f39852f00b54a742

  • SHA1

    81018ef6ef0a11412b029524d865ae36ab6d3b91

  • SHA256

    d81b77c97e07449962abea2cf2b939fd58baf0428310be72d8e7654722b4dcc2

  • SHA512

    243e49ce01c56ee1a9eeb6824712044eb81f88a3dc199b408edb32b99534d5b45f29687586ac0ae2bec1acea9d0ac1fe2188d29227638f386e527cf49456fe73

  • SSDEEP

    6144:BpPDCOkXvBftF2WKcxQIop4T6jjtmUIM9n8xrF50uZPpvEoFuK/w:fCVZftAZcxtT62bbDvEU

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 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.

  • Adds Run key to start application 2 TTPs 2 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 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:280
    • C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2756
      • 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:2720
        • 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:1348
      • 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\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\a4bdcefd97821332f39852f00b54a742_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:1196
      • 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:2700
        • 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:2620
      • 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\taskmngr.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\taskmngr.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2356
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\taskmngr.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\taskmngr.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\data.dat

    Filesize

    34B

    MD5

    38c8ea22acd25e9b39e907df0d8de5ce

    SHA1

    04e47592bb949245e3490ecd8179fd76a26e10a8

    SHA256

    5d9f74d57e494097be9fbeb57958ce76987359d5f8c9dc65fac10c34fa38fdc9

    SHA512

    1c84ff0fc45734dc370d39af6b4aa83b42ed05ee3e91fe515d6543e7f1be546ebd1c4af85e7de398fa6f8a0cb0f94a27b9d120d407ad7213360e524810eda0d9

  • memory/2756-2-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-4-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-11-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-12-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-13-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-17-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-18-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-21-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-22-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-29-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2756-30-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB