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Analysis

  • max time kernel
    125s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 09:38

General

  • Target

    x86/msvcr100d.dll

  • Size

    1.4MB

  • MD5

    b245bf00ba8c1196dbf8c2bd5dec9f60

  • SHA1

    3090b2365ef1c3dbb378d309ee4b9aa811548e07

  • SHA256

    80e8c0147f9960c8982092a4b43329835dc394036306bdd1a763bb59eb3d751b

  • SHA512

    45b453c117fe3ae541eb9af0f8c7fff12dba4c83c95b6ab53027ba5650e44483738cbac34b2847b5830697c66d537dcbc54e76c0235ce7bfa3f9aacdfce685a3

  • SSDEEP

    24576:7m/wTbJniLOB8QyruNelIQrTLGA1IZxvW6q9yNxsjcLO++yR6lPUoLpmLy4fAh:718QyruNwrXGAujvn84qcOvv

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\x86\msvcr100d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\msvcr100d.dll,#1
      2⤵
        PID:4176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 600
          3⤵
          • Program crash
          PID:3124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4176 -ip 4176
      1⤵
        PID:4704
      • 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 --field-trial-handle=4440,i,2651612535745483053,7868876458147986089,262144 --variations-seed-version --mojo-platform-channel-handle=3868 /prefetch:8
        1⤵
          PID:2224

        Network

        MITRE ATT&CK Matrix

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        Downloads