Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2024, 20:31

General

  • Target

    $PLUGINSDIR/geyfegn.dll

  • Size

    161KB

  • MD5

    be4b8a97919808100d76fc541eaf531f

  • SHA1

    2ef01ac1451e5a4960d5efcfb294eb988d27d44e

  • SHA256

    0431abad96bc0b2969e4e12f14b4d1a100e12ff8db6a6a0e08fb980a475d4f28

  • SHA512

    5f10ea276734e4fd32cf610ef6ba69902a18619fb4786e20ac4b437abd66c95f01c0a9701141e83de210f8647b7de1da75e82b79924b9cd697a6a25853bdc608

  • SSDEEP

    1536:GTbDJ+sSDf5obf2Nsu08hIT2QinOmx8Iy0vlM188XSvGsobLTbE2jgY+PCcows8k:GTRZS4QOIK88CvGZEIz+QVdQY+ZZkH

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\geyfegn.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\geyfegn.dll,#1
      2⤵
        PID:2904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 600
          3⤵
          • Program crash
          PID:4912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2904 -ip 2904
      1⤵
        PID:4244

      Network

      MITRE ATT&CK Matrix

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      Downloads