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Analysis

  • max time kernel
    8s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 21:14

Errors

Reason
Machine shutdown

General

  • Target

    64d4e3d136e8a1b8fbbacb2d3fd59979_JaffaCakes118.exe

  • Size

    43KB

  • MD5

    64d4e3d136e8a1b8fbbacb2d3fd59979

  • SHA1

    79c80a8668b4ce529563b561ff6778c9ab330e27

  • SHA256

    2c357310491f6643a133870005248ef8ea4af1734358996e4edf882f17d39158

  • SHA512

    fc56d85ea9dca0c115016468867978a4bece667400fdc70f7837f5cb2fbe776730921699c23a3c43f1aa67905713b44c3783cab144edd9b2eacd0152f99d0e15

  • SSDEEP

    768:yyBnYLuyuF+C/0SYVHpgvfOpUiHf92ZSEGtpvsT51FwdC/pZPodEeEJ6Len:ycnYLuqcvY9KvGpRMZeQFwdinPydEJ66

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64d4e3d136e8a1b8fbbacb2d3fd59979_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\64d4e3d136e8a1b8fbbacb2d3fd59979_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 551132085 /t REG_SZ /d "%userprofile%\551132085.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4216
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 551132085 /t REG_SZ /d "C:\Users\Admin\551132085.exe" /f
        3⤵
        • Adds Run key to start application
        PID:3860
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /f /t 3
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4252
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\64D4E3~1.EXE > nul
      2⤵
        PID:3788
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa39b4855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:3968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1712-1-0x0000000000C60000-0x0000000000C64000-memory.dmp

      Filesize

      16KB

    • memory/1712-0-0x0000000000C50000-0x0000000000C58000-memory.dmp

      Filesize

      32KB

    • memory/1712-2-0x0000000000190000-0x000000000019A000-memory.dmp

      Filesize

      40KB

    • memory/1712-4-0x0000000000190000-0x000000000019E000-memory.dmp

      Filesize

      56KB