Analysis

  • max time kernel
    55s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/04/2024, 15:35

General

  • Target

    bin/smime3.dll

  • Size

    96KB

  • MD5

    94624bbab23a92e0a5f90cce9a5a340d

  • SHA1

    a81d1e0a2c75657f698cee9346fa85423b9b365f

  • SHA256

    b0104ea7aaa257b111982bd0763c1c47fff76bd70249f84dcad834d50444df1a

  • SHA512

    d623e4d271a0dcc0f16e4a2dc4d10422de42445d6da60a5fdb149c511b5e5363de448696592e11dce118f950eed2e92cffb78056c80e1a8e3a42d44ec54cb9f3

  • SSDEEP

    3072:zmutViJeP5/spfYAYJV+1W26doizknjBNNqG5NFxXy4/H:zmutzP5/spfYAkV+1WpzeNqGG4

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\bin\smime3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\smime3.dll,#1
      2⤵
        PID:2348
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 640
          3⤵
          • Program crash
          PID:4032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2348 -ip 2348
      1⤵
        PID:3124

      Network

      MITRE ATT&CK Matrix

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      Downloads