Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 14:34

General

  • Target

    fbecfcdcecb37890c0dfee2153e02c07_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    fbecfcdcecb37890c0dfee2153e02c07

  • SHA1

    c5084216b1903c0ba876dc7c7becff0738ed1457

  • SHA256

    88dc07e6f9603f35cff1dad0a3d20d514064c5b5fb3edd1abcc16929e0d63902

  • SHA512

    d5b38302cdc326bbd1cab006c471def2ebb6e6ba167f719a4bf188296e955a4dbf8fea7c50c5a771ff2486a3d35be74eaf7c5dbc4bf314698fd8e2948fd5d58f

  • SSDEEP

    3072:RWaNLnxKF4AzEsw+DEchlvdxdeTBQnU96dpBIAnli3mF:RW8UhwDcTvdxoKUUdNn42F

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbecfcdcecb37890c0dfee2153e02c07_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbecfcdcecb37890c0dfee2153e02c07_JaffaCakes118.exe"
    1⤵
    • 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:2492
    • C:\Users\Admin\AppData\Local\Temp\fbecfcdcecb37890c0dfee2153e02c07_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\fbecfcdcecb37890c0dfee2153e02c07_JaffaCakes118.exe" c:\users\admin\appdata\local\temp\Program.exe
      2⤵
      • Adds policy Run key to start application
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\WINDOWS\SysWOW64\traymgr.exe
        "C:\WINDOWS\system32\traymgr.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • 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:3028
        • C:\WINDOWS\SysWOW64\traymgr.exe
          "C:\WINDOWS\SysWOW64\traymgr.exe" c:\users\admin\appdata\local\temp\Program.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\traymgr.exe

    Filesize

    212KB

    MD5

    fbecfcdcecb37890c0dfee2153e02c07

    SHA1

    c5084216b1903c0ba876dc7c7becff0738ed1457

    SHA256

    88dc07e6f9603f35cff1dad0a3d20d514064c5b5fb3edd1abcc16929e0d63902

    SHA512

    d5b38302cdc326bbd1cab006c471def2ebb6e6ba167f719a4bf188296e955a4dbf8fea7c50c5a771ff2486a3d35be74eaf7c5dbc4bf314698fd8e2948fd5d58f

  • memory/2492-20-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2492-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2668-71-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-72-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-62-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-79-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-78-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-77-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-76-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-75-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-74-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-73-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-70-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-69-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-61-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-60-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-68-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-80-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2668-65-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-11-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-31-0x0000000000550000-0x000000000058A000-memory.dmp

    Filesize

    232KB

  • memory/2836-9-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-37-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-7-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-22-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-19-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-21-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2836-13-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2836-33-0x0000000000550000-0x000000000058A000-memory.dmp

    Filesize

    232KB

  • memory/2836-17-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/3028-63-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3028-59-0x0000000001D40000-0x0000000001D7A000-memory.dmp

    Filesize

    232KB