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Analysis

  • max time kernel
    107s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2023, 22:09

General

  • Target

    a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a.dll

  • Size

    5.6MB

  • MD5

    58f99b07c5fa365700193f441a53963b

  • SHA1

    2d5d46b5b80ad842c462d1ade5fbdb6822f38735

  • SHA256

    a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a

  • SHA512

    86d29496c2653fd6b962013ff567efb5dc0bfecc6f51f6b6275a7d16bc9533e34c444bd76efae1ebed11a27f40726d167a32fea74d7b73d1a147da66ec7e3611

  • SSDEEP

    98304:z/q6lOv0yBTBGj+GQw/7CbM8NWT/riv9HN9zX:z/q6lOv0yBT+dCbM8NWT/elnX

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    PID:1728
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1728 -s 508
      2⤵
      • Program crash
      PID:2768
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 360 -p 1728 -ip 1728
    1⤵
      PID:1552

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads