Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-04-2024 17:02

General

  • Target

    libmpfr-4.dll

  • Size

    421KB

  • MD5

    8afb228e4f6458b6628a202d9de9edf8

  • SHA1

    61f85589b4d5e1f7a8bb73b4851a66b59d07bce5

  • SHA256

    5a72d472e892efd7d94ea287eda354637394805c2f445edec051b5c0a3d0f55b

  • SHA512

    4e61d66f8c04087e0fdfb74a2e6cee7d97e75f9d0d21613af845b37e9ffb0f6511bf6d3bc264e646b7d89daa355520f1c49d8517cc7369c296c27c1340b1c16c

  • SSDEEP

    3072:u9xaiHslmI/UkTPpUjei9LTgPp2Y3bJ+PngQ+t8KSWESqTrrTps0wed9Y8eFar6B:Yxai+7MY31KnPSleLQUhHy5z7s+

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\libmpfr-4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\libmpfr-4.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 228
        3⤵
        • Program crash
        PID:2488

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2244-0-0x000000006F540000-0x000000006F59E000-memory.dmp

    Filesize

    376KB

  • memory/2244-1-0x000000006ACC0000-0x000000006AD27000-memory.dmp

    Filesize

    412KB