Analysis

  • max time kernel
    268s
  • max time network
    316s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2024 22:17

General

  • Target

    MSVCR100.dll

  • Size

    755KB

  • MD5

    bf38660a9125935658cfa3e53fdc7d65

  • SHA1

    0b51fb415ec89848f339f8989d323bea722bfd70

  • SHA256

    60c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa

  • SHA512

    25f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1

  • SSDEEP

    12288:yMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BV0eAI:dmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV4I

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\MSVCR100.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MSVCR100.dll,#1
      2⤵
        PID:4372
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 600
          3⤵
          • Program crash
          PID:1336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4372 -ip 4372
      1⤵
        PID:392
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3780 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4852

        Network

        MITRE ATT&CK Matrix

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        Downloads