Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 22:29

General

  • Target

    1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe

  • Size

    79KB

  • MD5

    ac4888098482816e273845f78c982150

  • SHA1

    755f9498dd723f85740ee07186f2b5d5acfc0014

  • SHA256

    1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf

  • SHA512

    6d8e8a2de31a26980fd6e6ca1f62d854401f6a932f76bec0ac6fe4639f523b10264cf5f5be3a10978619f0041e1c38fb4e9c2e7f297ecc545f330fc37f96bcc0

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOaSNLf:GhfxHNIreQm+HiRSNLf

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe
    "C:\Users\Admin\AppData\Local\Temp\1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    75KB

    MD5

    413aa2ef613e0c47937a8f5d9fc22ad3

    SHA1

    0a8e7b33a50c2119f2be2228cadd7bd707a75269

    SHA256

    a2958cf8e689a3c9fb20224f5aa175f54107c38f38e33f8633bcb400df5b7949

    SHA512

    3611bbd0713ceefbb698f1b9d5f97ed8a6bb9875285d64761e2b8bb04328d390ca921487e88585f750a60f272f7c6f7d4f27e1d4741fd7f544fc6645cc82102f

  • C:\Windows\System\rundll32.exe

    Filesize

    79KB

    MD5

    94cb523d6ecc14b99325f7e9d219e101

    SHA1

    3fde8d4ad01e2d999ee2a9aca416efce445adc08

    SHA256

    9e79d898a08d2cd1ae6a73f745c8216cc0b0d77a46ea3476c8bbe0b3f3d45186

    SHA512

    c03ef53cd6a4bf6f57bb2a54513c907180e3a9e1401d8e7ade3dc2bbcedc696f75a7cfb8cbd03582f64148c0c70dd821caa948a4a159d5796d00068ca11f0535

  • memory/1660-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1660-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB