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Analysis

  • max time kernel
    146s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 21:41

General

  • Target

    fdb6031dfc0ce88e4071eed944b60743_JaffaCakes118.exe

  • Size

    276KB

  • MD5

    fdb6031dfc0ce88e4071eed944b60743

  • SHA1

    26e6c7a7db7e3eca2206782fdf7e6207f38ca3e6

  • SHA256

    2195c99cc40bc19bca3d3e29c75681104e47d1dfee722b2260196f30f5addf8b

  • SHA512

    df7483403e7fa7bc32e44493268ab53b08c35b8c25dd382a6071cd72029382251681fcd5be589bee2dceab039d0601507c8b567b01a7772ad87b18527c1b5bc4

  • SSDEEP

    6144:6nxg/DcalVaZNo4way/WTT42T6A+X1XPXwehGREcm:6xg/QsVaZN8aya45Bhf2

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fdb6031dfc0ce88e4071eed944b60743_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdb6031dfc0ce88e4071eed944b60743_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2364 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fdb6031dfc0ce88e4071eed944b60743_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\fwomkdy.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2364
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2112
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2672
      • C:\Users\Admin\AppData\Local\fwomkdy.exe
        C:\Users\Admin\AppData\Local\fwomkdy.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\fwomkdy.exe

    Filesize

    276KB

    MD5

    fdb6031dfc0ce88e4071eed944b60743

    SHA1

    26e6c7a7db7e3eca2206782fdf7e6207f38ca3e6

    SHA256

    2195c99cc40bc19bca3d3e29c75681104e47d1dfee722b2260196f30f5addf8b

    SHA512

    df7483403e7fa7bc32e44493268ab53b08c35b8c25dd382a6071cd72029382251681fcd5be589bee2dceab039d0601507c8b567b01a7772ad87b18527c1b5bc4

  • memory/2364-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/2364-2-0x0000000000230000-0x0000000000232000-memory.dmp

    Filesize

    8KB

  • memory/2364-1-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/2364-4-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-11-0x0000000000220000-0x0000000000222000-memory.dmp

    Filesize

    8KB

  • memory/3024-10-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-14-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-15-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-16-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-17-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-19-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-20-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-21-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB

  • memory/3024-22-0x0000000001000000-0x00000000010D8000-memory.dmp

    Filesize

    864KB