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Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2022, 16:57

General

  • Target

    3f812f1c8f7b16e7cd36d4366134232e560398ef9cdfb66218fc551378e4ab27.dll

  • Size

    94KB

  • MD5

    595f6335fbaa81038533cf0b43375b41

  • SHA1

    8baa187cf8cd08c6786b8b2f5c1589c0a2094c76

  • SHA256

    3f812f1c8f7b16e7cd36d4366134232e560398ef9cdfb66218fc551378e4ab27

  • SHA512

    e3cafb18b3e57f4482ccccdc90f5d1cd1034b2b8764489491c4e95c0932c340ebb0cc8fb39f8de46627924c9fe277a5f15f619459c74ab3a2c86c5cfc5a0584c

  • SSDEEP

    1536:dC42owFQhOndUNOyTV0Xvn8RPpPEzA/7tK9i3y8/Pmgz+amTOwrPVsEP4awac:dFhw9d6TQ8sA/7U9axJzfZwrNsEnM

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f812f1c8f7b16e7cd36d4366134232e560398ef9cdfb66218fc551378e4ab27.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f812f1c8f7b16e7cd36d4366134232e560398ef9cdfb66218fc551378e4ab27.dll,#1
      2⤵
        PID:4904
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 572
          3⤵
          • Program crash
          PID:4820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4904 -ip 4904
      1⤵
        PID:4856

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/4904-133-0x0000000010000000-0x000000001000F000-memory.dmp

        Filesize

        60KB