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Analysis

  • max time kernel
    58s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 17:36

General

  • Target

    b1f71139a8f6bbef06be19ec823e806967ac5ef5c622d3cc225322991d6806cf.dll

  • Size

    58KB

  • MD5

    3221c2144e6dea8a529cdb4c5c591fe1

  • SHA1

    39c3432d9c5750187eeb767ded0c3ff3db7d8a21

  • SHA256

    b1f71139a8f6bbef06be19ec823e806967ac5ef5c622d3cc225322991d6806cf

  • SHA512

    2195af0ff0af13a1a83e37fb336c4dafe9eb3df112f04082dea1b9d6b10d4ce90727c134fa722c6988c1313d69e159295415a959b8503cbb3d64cd293f36c878

  • SSDEEP

    768:7DfN9wiAxAfgsA83/hL9sWx2H5GlEDEn2OqozpmaNWl7y3UEEZZX7:7DHwiAlypsWI0HvrWl7y3Ut

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b1f71139a8f6bbef06be19ec823e806967ac5ef5c622d3cc225322991d6806cf.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b1f71139a8f6bbef06be19ec823e806967ac5ef5c622d3cc225322991d6806cf.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/920-56-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1572-54-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp

    Filesize

    8KB