Analysis

  • max time kernel
    137s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 12:17

General

  • Target

    Install.rar

  • Size

    61.4MB

  • MD5

    5f7f0719185c557e89ebc334ad5c9765

  • SHA1

    90d9c887a28e4505ae6c011de64740e397a515ed

  • SHA256

    665b6767c9cbac7ece13f2d205e778d2a1fa07d650e858743ae8e28ffc7d161d

  • SHA512

    ecdcf5ec5e6c49f666acad82e9a117438a18d05740c759f1f21a8033e964124591043a0cb856b2b09a8a828d208b7671842149fbe108f851a30e284f31e0c585

  • SSDEEP

    1572864:gW1mazO3YnHg9XkE0A6tETkE8+Zeq3bR5uVIRQidat:gWEYHg9Xb0qTkE77/uVIRQIY

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Install.rar
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Program Files\7-Zip\7zFM.exe
      "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Install.rar"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4488
  • 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=3280 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4420

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads