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Analysis

  • max time kernel
    120s
  • max time network
    115s
  • 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, 14:27

General

  • Target

    258e826eb3f4d85ba43291f7b25e8f39.dll

  • Size

    590KB

  • MD5

    258e826eb3f4d85ba43291f7b25e8f39

  • SHA1

    75d01009eb89dfc7fc92d6398cb66de59c3e5a9c

  • SHA256

    73aeadadd9d51ea6e6dd7c97fded151b55f44a84298c73dd6391b13ae784a724

  • SHA512

    6c00e7ae60ef6845f7a2b136eaba8d9441d02014239db50ac5ff9d34ed80cca4dc6bb1a78b08471ebca7c362a366e2be9640ba61312be476d55068306131b502

  • SSDEEP

    12288:Ds+0UWObHRykUOyDyO1E41o7plqAXMGl9/XxOb+QsGNsgH:Dn0pO7w97DbOxXMg/XxOb+Qbsg

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

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

  • Modifies registry class 11 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\258e826eb3f4d85ba43291f7b25e8f39.dll
    1⤵
    • Installs/modifies Browser Helper Object
    • Modifies registry class
    PID:1980
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\258e826eb3f4d85ba43291f7b25e8f39.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2952

Network

MITRE ATT&CK Enterprise v15

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Downloads