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Analysis

  • max time kernel
    92s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 05:26

General

  • Target

    586km.comp222pSearcher910/msvcr71.dll

  • Size

    340KB

  • MD5

    ca2f560921b7b8be1cf555a5a18d54c3

  • SHA1

    432dbcf54b6f1142058b413a9d52668a2bde011d

  • SHA256

    c4d4339df314a27ff75a38967b7569d9962337b8d4cd4b0db3aba5ff72b2bfbb

  • SHA512

    23e0bdd9458a5a8e0f9bbcb7f6ce4f87fcc9e47c1ee15f964c17ff9fe8d0f82dd3a0f90263daaf1ee87fad4a238aa0ee92a16b3e2c67f47c84d575768edba43e

  • SSDEEP

    6144:cPlV59g81QWguohIP/siMbo8Crn2zzwRFMciFMNrb3YgxS3bCAO5kkG:OlVvN1QWguohInJDrn8zwNF7eCr

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\586km.comp222pSearcher910\msvcr71.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\586km.comp222pSearcher910\msvcr71.dll,#1
      2⤵
        PID:1964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 608
          3⤵
          • Program crash
          PID:2560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1964 -ip 1964
      1⤵
        PID:3344

      Network

      MITRE ATT&CK Matrix

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      Downloads