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Analysis

  • max time kernel
    230s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 08:38

General

  • Target

    b23913d3ba25a26b6faea8113e3c67bf78feeb8cfe1d1e52d69d9161b5ebf466.dll

  • Size

    50KB

  • MD5

    1c2ef57d503b641d6c7eb03f5d8d572b

  • SHA1

    2e1cad619c13ba70e5f65a276af90b3860677518

  • SHA256

    b23913d3ba25a26b6faea8113e3c67bf78feeb8cfe1d1e52d69d9161b5ebf466

  • SHA512

    6af6515f6587a9167b66b92740d97c00cfdb0cfaee6eca681b17efad2b0a1bb58efe545b93832e8a65cf82fef0e54bb620933e6a4948f684171c84be0b6ea183

  • SSDEEP

    768:PlOuMeCm/mFIZMaK/ffrHlVVknbBudF9nnQpNwtUjCwStLCNDuD/tvM:/MeCmeyY/ffRAbBEFFkwtUuw5NCDV

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b23913d3ba25a26b6faea8113e3c67bf78feeb8cfe1d1e52d69d9161b5ebf466.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b23913d3ba25a26b6faea8113e3c67bf78feeb8cfe1d1e52d69d9161b5ebf466.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      PID:768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/768-55-0x0000000075D51000-0x0000000075D53000-memory.dmp

    Filesize

    8KB

  • memory/768-56-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/768-57-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB