Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 16:19

General

  • Target

    dc123ee8f3ba2b3156e8069ed5565422.dll

  • Size

    76KB

  • MD5

    dc123ee8f3ba2b3156e8069ed5565422

  • SHA1

    eed156addda4f0c8a22bd9a1619b72c7a4a4c222

  • SHA256

    842c9e08929b66a865afca9f0c0d0a0ce8514a4b6e4d69398a799a8384669269

  • SHA512

    3eaeb812a23bacd627db6644a43016bc1310f8df328a343694d1d7945ece5535d8b51ca0a1e0fbc33e28d1c043adad879c7a8d6f1449a82ebd786ded8b1c863b

  • SSDEEP

    1536:H2PTSSbXSd9zXpH5NfUiBuTJIhqU+fFKTLoRZec4:WPTSSbXSPtbuKTLoR

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

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

  • Modifies registry class 46 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc123ee8f3ba2b3156e8069ed5565422.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:928
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\dc123ee8f3ba2b3156e8069ed5565422.dll
      2⤵
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:4388
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3868 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads