Analysis

  • max time kernel
    118s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-05-2022 15:56

General

  • Target

    3ef56fb19994148a7a18c028e6f04685fcdaa8077755639b9c34edb4a548d8e6.dll

  • Size

    1.1MB

  • MD5

    abb3a1591d419e3980c306b3603f768e

  • SHA1

    bd8053fc82663c618b7f48ecb44aeda13b501438

  • SHA256

    3ef56fb19994148a7a18c028e6f04685fcdaa8077755639b9c34edb4a548d8e6

  • SHA512

    7a6f85fb350a6b62a296b5cbf405cbdc5a0fe3625d8fafc4f84eee1ba2d84827f63ca9bd65d1edffa7209e87f22468f028414dce2abcefc75ec37e1e983e126f

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ef56fb19994148a7a18c028e6f04685fcdaa8077755639b9c34edb4a548d8e6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ef56fb19994148a7a18c028e6f04685fcdaa8077755639b9c34edb4a548d8e6.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:4372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 816
        3⤵
        • Program crash
        PID:3900
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4372 -ip 4372
    1⤵
      PID:4936

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4372-130-0x0000000000000000-mapping.dmp