Analysis

  • max time kernel
    141s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/06/2024, 06:05

General

  • Target

    $PLUGINSDIR/DcryptDll.dll

  • Size

    156KB

  • MD5

    4c373143ee342a75b469e0748049cd24

  • SHA1

    d4e0e5155e78b99ec9459136acece2364bc2e935

  • SHA256

    b4b5772a893e56aa5382aa3f0fef7837fa471e3b3e46db70b8bc702f2037e589

  • SHA512

    569f92c3ff9a6e105cf9b3806d8b696442a5679dfa5d7c9362b0649a67cbea2478ca28a5da6c3bd0edacdb634509d8584c6959a4cc13c38d596458f372832f61

  • SSDEEP

    3072:etvFO3r5Unb7FQwdkb6ckt+bBwmhqKUuWxvt+9/dh:etvAtUn3ewWc+

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\$PLUGINSDIR\DcryptDll.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DcryptDll.dll,#1
      2⤵
        PID:1304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 600
          3⤵
          • Program crash
          PID:2596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1304 -ip 1304
      1⤵
        PID:820
      • 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=3644 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1224

        Network

        MITRE ATT&CK Matrix

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        Downloads