Analysis

  • max time kernel
    147s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2025 12:46

General

  • Target

    JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe

  • Size

    564KB

  • MD5

    940331c8a35881063d37bf8f09cda3f8

  • SHA1

    1603d048fb2dd1137b406c3f52a06dc4d0e37f7d

  • SHA256

    827da859699d654bf5598d1d08a30f479dc1d028d49f1b773eaf7ea8894b9c6e

  • SHA512

    b3cc2dd795e46b5fe4cc9470349ae62a60e9f2ba5b495b8469768a19f3c1dca5823fa12105e1c469edb173a4caec5ac6d84368d89ff68f73ffa9305aa9e0ef4b

  • SSDEEP

    12288:T7xp5bjAI3KFKjSR3VbqQuBkZBpJsjFW3mjCwGms:HFb/P835q1kzpJsjymWlms

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 14 IoCs
  • 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
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • 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 use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe"
        3⤵
        • 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:2864
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2776
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2172
        • 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\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2932
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_940331c8a35881063d37bf8f09cda3f8.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2648
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2604
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3068
        • 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\AdobeFlashUpdate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\AdobeFlashUpdate.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\AdobeFlashUpdate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\AdobeFlashUpdate.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\AdobeFlashUpdate.exe

    Filesize

    564KB

    MD5

    940331c8a35881063d37bf8f09cda3f8

    SHA1

    1603d048fb2dd1137b406c3f52a06dc4d0e37f7d

    SHA256

    827da859699d654bf5598d1d08a30f479dc1d028d49f1b773eaf7ea8894b9c6e

    SHA512

    b3cc2dd795e46b5fe4cc9470349ae62a60e9f2ba5b495b8469768a19f3c1dca5823fa12105e1c469edb173a4caec5ac6d84368d89ff68f73ffa9305aa9e0ef4b

  • memory/2748-30-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/2748-12-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/2748-14-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/2748-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-6-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/2748-4-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/2748-2-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/2864-40-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-43-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-19-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-21-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-17-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-41-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-42-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-31-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-44-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-47-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-51-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-52-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-54-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-55-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-56-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2864-58-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB