Analysis

  • max time kernel
    139s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 06:49

General

  • Target

    Bin/2.7.21/Smrt-Shpr.dll

  • Size

    1.4MB

  • MD5

    cf635a027568254594e08f730302906a

  • SHA1

    cca981e933b36761c0475ced3e2c89c6fbdcd516

  • SHA256

    e77bbe482b1645e899380772a172404848f31e1b2280b41a68403dbe732d197f

  • SHA512

    25ecb5a385c56a6287442492d406e0ac1097363892a1e9c9a82f295b1fc27497f620c9ef3f693a00df1cfec332be0c0da06745838f7e968b30a5d866bfe3773a

  • SSDEEP

    24576:AB6ZG+Qk1E7TKUC6R8TXcX1SWK+9n/j7PzqFg9w16:ABCG+Qk1sTrC6REXcXlVH7qFWw16

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 Internet Explorer settings 1 TTPs 19 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Bin\2.7.21\Smrt-Shpr.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\Bin\2.7.21\Smrt-Shpr.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:648
  • 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=4092 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads