Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2024 15:54

General

  • Target

    $PLUGINSDIR/gyalquzbu.dll

  • Size

    33KB

  • MD5

    a8caa6d267951ad22e835233b5e50c46

  • SHA1

    45c722c5958d99727a95d30eaa3032203d1f4ab2

  • SHA256

    db7b70b0734285b8d9a1f3617e55603b0cb649d9bf0b7fbf8988c44e684f4e76

  • SHA512

    9ee74bf576554210f8923dda8aa28f6dc7f3c5aa52da7b48a94beaf56cb4e27f1c3d0387cc9116e467631bc13c0e743341129bffa84b9db16ace1248a53b4cd7

  • SSDEEP

    384:8o2En0QXbRRe9fsWZAmSlmMNAC8Qqgqdq9RHvHZXktPaa+LiJtLydc8f1eWU9Rkj:L2zf9HPaa+2tLKJcMaTxOMFs0o

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\gyalquzbu.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gyalquzbu.dll,#1
      2⤵
        PID:4716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 740
          3⤵
          • Program crash
          PID:1188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4716 -ip 4716
      1⤵
        PID:4292

      Network

      MITRE ATT&CK Matrix

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      Downloads