Analysis

  • max time kernel
    126s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2023 16:53

General

  • Target

    Office 2021/files/x64/msvcr100.dll

  • Size

    809KB

  • MD5

    df3ca8d16bded6a54977b30e66864d33

  • SHA1

    b7b9349b33230c5b80886f5c1f0a42848661c883

  • SHA256

    1d1a1ae540ba132f998d60d3622f0297b6e86ae399332c3b47462d7c0f560a36

  • SHA512

    951b2f67c2f2ef1cfcd4b43bd3ee0e486cdba7d04b4ea7259df0e4b3112e360aefb8dcd058becccacd99aca7f56d4f9bd211075bd16b28c2661d562e50b423f0

  • SSDEEP

    12288:3gzGPEett9Mw9HfBCddjMb2NQVmTW752fmyyKWeHQGokozS:QzJetPMw9HfBCrMb2Kc6ymyyKWewGzUS

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Office 2021\files\x64\msvcr100.dll",#1
    1⤵
      PID:2072
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2072 -s 328
        2⤵
        • Program crash
        PID:4244
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 372 -p 2072 -ip 2072
      1⤵
        PID:2348

      Network

      MITRE ATT&CK Matrix

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      Downloads