Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 19 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:2788
    • 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.exeB
      2⤵
      • Adds policy Run key to start application
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\WINDOWS\SysWOW64\traymgr.exe
        "C:\WINDOWS\system32\traymgr.exe"
        3⤵
        • Executes dropped EXE
        • 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:3180
        • 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
          • System Location Discovery: System Language Discovery
          PID:1660

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/1660-38-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-48-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-35-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-49-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-47-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-46-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-28-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-29-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-45-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-44-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-50-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-43-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-41-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-40-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-39-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1660-42-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2788-11-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2788-0-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3180-30-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3548-9-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/3548-34-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/3548-7-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/3548-12-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/3548-10-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB