Analysis

  • max time kernel
    135s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 05:48

General

  • Target

    AcSpecfc.dll

  • Size

    451KB

  • MD5

    e9ea1fd3fe480dceb9e35e95032aeef1

  • SHA1

    9ada899144715427902a3d54bc5d870d932f6127

  • SHA256

    c3706d4f86ac7157e76382c255c0aa84dbae391282113f48791a9ae3d0502c20

  • SHA512

    7fdd91af46ee4983e21e5ac055a089d11b9309b323c60bea196378b1a76e56807d26759a78190c793050b7dd3b95de53c0778cc2d1a4530820415c3fd59d9aad

  • SSDEEP

    6144:UmNgm0GiYRJCzk60h2rc3WPiLH92eFWHgg0uLUrEaJ+XBa0gTXqOxQdyKW+mu:2siwKcCiLd1WHggBAgaJrTHu

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\AcSpecfc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AcSpecfc.dll,#1
      2⤵
        PID:2380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 716
          3⤵
          • Program crash
          PID:4556
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2380 -ip 2380
      1⤵
        PID:3132

      Network

      MITRE ATT&CK Matrix

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      Downloads