Analysis

  • max time kernel
    141s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 09:37

General

  • Target

    04e4e986fb3025d5279cd7c51893247e_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    04e4e986fb3025d5279cd7c51893247e

  • SHA1

    cf743ea80ed77d3c74b17cf5610ca150207bc0cb

  • SHA256

    503ef81e6f8818b4a1a0012d045d8a1a433375cff6f554751fd430fe8234a45a

  • SHA512

    2fc41ad1151c5de8f3d48895e08a0d727e654414a25e74a4dd6d5b8678efaaf7995ce640ac233e4e347a11a86d209ad685a0c551465508ae353521ebbac97a6e

  • SSDEEP

    768:0Xne9SLNE6yDCAtSt6b3yFhBVNsx4MOZjFB4xbyv0DVtaxuK9lta5qCqeq6qWqS2:0X9EZ1rahBY2VZjFK2sBt2tIA

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04e4e986fb3025d5279cd7c51893247e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\04e4e986fb3025d5279cd7c51893247e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\04e4e986fb3025d5279cd7c51893247e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\04e4e986fb3025d5279cd7c51893247e_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
          4⤵
          • UAC bypass
          • Modifies registry key
          PID:1004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\iexplorer.exe

    Filesize

    108KB

    MD5

    04e4e986fb3025d5279cd7c51893247e

    SHA1

    cf743ea80ed77d3c74b17cf5610ca150207bc0cb

    SHA256

    503ef81e6f8818b4a1a0012d045d8a1a433375cff6f554751fd430fe8234a45a

    SHA512

    2fc41ad1151c5de8f3d48895e08a0d727e654414a25e74a4dd6d5b8678efaaf7995ce640ac233e4e347a11a86d209ad685a0c551465508ae353521ebbac97a6e

  • memory/1160-3-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1160-4-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1160-11-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1160-17-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB