Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2024, 06:32

General

  • Target

    ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe

  • Size

    77KB

  • MD5

    f5997e9fa0254777e5ed3f63915054cf

  • SHA1

    1cd03573fb15e9d687a5c3befd099ff4739fac1f

  • SHA256

    ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335

  • SHA512

    98c105e0632848d86b972260aeffa1d4624d2efaa309c2da66fd4d2a0fb7df4b4cb15784152c088f15dc3c782bdd3fb9b95088262afb17483d580c0c5099b07b

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO6Zi:GhfxHNIreQm+Hi5Zi

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe
    "C:\Users\Admin\AppData\Local\Temp\ae40d0b175870a11adb1fa3d9ec17ce6edd3e2daef5afa1202d8bef7d08cc335.exe"
    1⤵
    • Loads dropped DLL
    • 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:2108
    • 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:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    80KB

    MD5

    d01fdbe58dd26fdd7f6f5793abad2505

    SHA1

    e3aff19d0e3d2fc569bb9e6fa43e36662698b919

    SHA256

    2fd14ba4aa3e5f55c6e62d4aa20fc0fec16c76e14f608f5ed1ffb5e583290730

    SHA512

    0a593fa26e486fb892f332259bb3c92545293ce7d9b9a4f23ff45070ec0bcf40fbbbb7fdfb23a149dfdab8c0063687b87ac9a5a9a72b656ed32b50df22b9fa83

  • \Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    eea0eda10f1976ca84a4a0ec62e7fcd4

    SHA1

    b19627dd6c303e100dfe864be671e36a7c7f7ff5

    SHA256

    0152e84903b5f20e4c47260bb7b831cf639fd016c436514abfaa8eab1265575e

    SHA512

    89cc8f7410f77c0e63ba353b831ef3099a602f38622eb500ba5908e3ad23c6b9b85c45ad273dd5a0c2ffe88478ead4c30a485cc1f4ff15fe12aa01b03c960ab6

  • memory/2108-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2108-14-0x00000000003A0000-0x00000000003B6000-memory.dmp

    Filesize

    88KB

  • memory/2108-20-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2108-19-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB