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Analysis

  • max time kernel
    11s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/07/2024, 17:21

General

  • Target

    0506f2c306f1eb3760e3931573bda550N.exe

  • Size

    208KB

  • MD5

    0506f2c306f1eb3760e3931573bda550

  • SHA1

    f16af8370c4ee038d839b5dbe7baaa61edc3d8bb

  • SHA256

    81b02e400c3f13cf7a0d225fb7606239cef329fbf78adb9050b25ce36f6356f1

  • SHA512

    dcc95e89c9df99376a3a5186642fb7072a0173c8995151ab31a30a4f7c5cd374effd969b73ce09be209f17eeaa0370b468d128eaac8b40e9e905bda7d9588ba3

  • SSDEEP

    6144:7AS6gyCdizgZu8u/yVfkbf+efjnnuI66RNQEj:7A9CdizgZu8u/b7+efjnnu16RNQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0506f2c306f1eb3760e3931573bda550N.exe
    "C:\Users\Admin\AppData\Local\Temp\0506f2c306f1eb3760e3931573bda550N.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\windows\system32\OKPY.exe.bat" "
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\windows\SysWOW64\OKPY.exe
        C:\windows\system32\OKPY.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\OKPY.exe.bat

    Filesize

    72B

    MD5

    72e573dbbc7d9490f554451d4d8b2299

    SHA1

    86afc265700806156546f0f41bb2104a269fd316

    SHA256

    18cc6dfd78f2be5e93227b188f5b1b23f4024feb184cab689d94ee65c75f37f8

    SHA512

    3146091c8ea345b9c5908139314074918ad5addb38836154d540f29057a6822154e7eadd7224e655914cc0c46566dd3d76cf1960bd793fe9514839893029259d

  • \Windows\SysWOW64\OKPY.exe

    Filesize

    208KB

    MD5

    4d0d5aecff8d44e08053d039a27a9009

    SHA1

    93afb4b87a2ecaef2d32d71ecabcb868c6859d19

    SHA256

    1b62b136f3519819086de5bf38aafa2c3933b48684ec52ba2a742b470a6b4115

    SHA512

    2cc6a17b44d5c5c945334fc9bc8dcde32a90c78410756623549752886ee9d2474c423c059ca4f09cb8189cdb3c392480e5c5d7c313c866c04b4c1cba00c72603

  • memory/2796-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2796-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2808-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2808-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2812-18-0x00000000001C0000-0x00000000001F8000-memory.dmp

    Filesize

    224KB

  • memory/2812-17-0x00000000001C0000-0x00000000001F8000-memory.dmp

    Filesize

    224KB