Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/05/2024, 23:17

General

  • Target

    684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe

  • Size

    77KB

  • MD5

    01119b49e0df05813cb902d617987c8d

  • SHA1

    61f6895a0bd6301840d8e7d27e1e93950967b6ab

  • SHA256

    684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da

  • SHA512

    40ddf5d87cdaf01b3f40fac0515d2a57ce88f1f29982e32e3c5b36bda3f68b0c9e80424bc2515c2d35ff90e1c46e43702a4de99b14204fd318e4ac2fc1899dcc

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOXyC:GhfxHNIreQm+HiQyC

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\684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.exe
    "C:\Users\Admin\AppData\Local\Temp\684f6d1c1e97c7982baf8b050fc4754f83e3b436d339cfc581e85f7a9cba95da.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:1952
    • 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:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    86KB

    MD5

    17156bb892e59bec753e102a63332d48

    SHA1

    ffb555d46bb590df4a77a46fb3c5a5f51ceb5a7e

    SHA256

    4a9400ce11f58ab22efded5202da4ec6215a82a73bdf4d4aaf7114669dc5d682

    SHA512

    07b4c7044fd6bc1e53d1424c1b7ebedb448855f9c39f7f09b8aca9bcf53c0b74fbd88e304c6c0e9b8411af0cbf60fdb126bf61a4c8f22c61c56683822dc49034

  • \Windows\system\rundll32.exe

    Filesize

    80KB

    MD5

    5ffb7ed93a94336288743226cdf59df4

    SHA1

    1f354bac3649f5ab0ea7e82888113a6d2c873a29

    SHA256

    8f21c2043b0e5ada5833054c5218c98f78c7c9e650a0534ab5c7d5e583cd30f2

    SHA512

    45b1594000ccf8ee5fb3c3ae3de54edb65e7e5482543281160b2954e62c63199bc3ddfbf97b0886c268d83b1ac3576421620a6a2cb1d06b4257b79fd8a69e977

  • memory/1952-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1952-18-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/1952-17-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/1952-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

    Filesize

    8KB

  • memory/1952-21-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2036-19-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB