Analysis

  • max time kernel
    7s
  • max time network
    2s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2024 19:22

General

  • Target

    8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe

  • Size

    648KB

  • MD5

    8ba740eec0c2d10940e2689074634ab2

  • SHA1

    dbdcb942efc8bd3655189b58481da161bf94ea3f

  • SHA256

    b134af6f260a2925e22d0f3f97d7cb8dd59e8f63e1cc95f73bf1f5c98e507438

  • SHA512

    372a494fda1bfc3fd48a176195a69d6e0779407b93c25b7ebe8479d46fb9e4d825c2dac39b12d983e20a9eac7b8c8fcdd6082c6e189c554abd8f8148190bfa43

  • SSDEEP

    12288:7iHaJtaX0WBgQNNlAXk+aiptW5v9edN1gFAbdYQl:7iHAw9zn+qI+Ql

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8ba740eec0c2d10940e2689074634ab2_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies firewall policy service
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2756-0-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2756-1-0x0000000001C60000-0x0000000001D3B000-memory.dmp

    Filesize

    876KB

  • memory/2764-2-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2764-3-0x000000000045A000-0x000000000045B000-memory.dmp

    Filesize

    4KB

  • memory/2764-4-0x0000000000350000-0x00000000003E4000-memory.dmp

    Filesize

    592KB

  • memory/2764-9-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2764-10-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2764-11-0x0000000000350000-0x00000000003E4000-memory.dmp

    Filesize

    592KB

  • memory/2764-12-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2764-15-0x0000000000400000-0x00000000004DB000-memory.dmp

    Filesize

    876KB

  • memory/2764-16-0x0000000000350000-0x00000000003E4000-memory.dmp

    Filesize

    592KB