Analysis

  • max time kernel
    150s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12-07-2024 19:46

General

  • Target

    3ea4252e1452dd305860829a8c586080_JaffaCakes118.exe

  • Size

    4.1MB

  • MD5

    3ea4252e1452dd305860829a8c586080

  • SHA1

    2a03733b26030e760f0fbf6a590b0e2ab5c46917

  • SHA256

    ca075adcc5423be5593de955e19ecedba3b99f45887e0412865f137bfd18d555

  • SHA512

    0688edb0f573550303c7772ea08b052006d7d50848fe49c422b66a1d12aa80e6515768fdbec35d420b900ee58688b554bdc364f0334b8bbd153e3755039cc05d

  • SSDEEP

    98304:jTOhsfJwCcJnsgt1vdo08s2JpQpwh4Vlmfxl7K:jShKxcp99dIJpQp7LmW

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Stops running service(s) 4 TTPs
  • Uses Session Manager for persistence 2 TTPs 3 IoCs

    Creates Session Manager registry key to run executable early in system boot.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ea4252e1452dd305860829a8c586080_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3ea4252e1452dd305860829a8c586080_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\sc.exe
      sc delete GbpSv
      2⤵
      • Launches sc.exe
      PID:2700
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2916
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2804
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
      2⤵
      • Uses Session Manager for persistence
      PID:2708
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram C:\windows\system\system.exe RPCCC
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:1032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2064-0-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB

  • memory/2064-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-8-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-3-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-1-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-10-0x00000000755F1000-0x00000000755F2000-memory.dmp

    Filesize

    4KB

  • memory/2064-11-0x00000000755F0000-0x00000000755FA000-memory.dmp

    Filesize

    40KB

  • memory/2064-12-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB

  • memory/2064-13-0x000000007EF50000-0x000000007EFAC000-memory.dmp

    Filesize

    368KB

  • memory/2064-14-0x0000000000400000-0x00000000008F3000-memory.dmp

    Filesize

    4.9MB

  • memory/2064-15-0x00000000755F0000-0x00000000755FA000-memory.dmp

    Filesize

    40KB