Analysis

  • max time kernel
    26s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2023, 03:26

General

  • Target

    Microsoft Office 2019 + Licencia/Office/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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Microsoft Office 2019 + Licencia\Office\files\x64\msvcr100.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1692 -s 84
      2⤵
      • Program crash
      PID:1532

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads