Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 00:02

General

  • Target
    d76954b18ce00cd97612e01bb93c0fc3.exe
  • Size 156KB
  • Sample240320-abzxbsbc86
  • SHA256 5ee79a7eefbd66e3267c97c52f34c0a369adf8129fcb6bed2e1620e8c7bee535
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d76954b18ce00cd97612e01bb93c0fc3.exe
    "C:\Users\Admin\AppData\Local\Temp\d76954b18ce00cd97612e01bb93c0fc3.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    PID:2480
  • 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=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1972

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Isass.exe

          • Path C:\Windows\Isass.exe
          • Size 150KB
          • SHA256 89a109b76ae852e0b4e3b29e17b0127e17f4f7d2ac0df5858e3b24207983ea5c
          • MD5 SHA1 SHA512 SSDEEP

          memory/2480-0-0x0000000000660000-0x0000000000661000-memory.dmp

          memory/2480-1-0x0000000000400000-0x0000000000464000-memory.dmp

          memory/2480-19-0x0000000000400000-0x0000000000464000-memory.dmp