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Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 14:07

General

  • Target

    b2523a249287e7a361e18628dc37da34.exe

  • Size

    202KB

  • MD5

    b2523a249287e7a361e18628dc37da34

  • SHA1

    209ee782ae1c2f39d6789642ecb0d4492cd656c9

  • SHA256

    2f574d5edc08b8e4e6623e9c720e6b7d8dea22c621316587d1974e2e35671258

  • SHA512

    a5a5fcae7dec938717a9ee21f1438a8875ba4e2cb9b3844d3f1a01ad6a02bbb85cf727e53f2a8735c011630287de52e5e3979c72ded014d8d14f09f600913d96

  • SSDEEP

    3072:Cz5V04aH+/F9alhgfDpilQMCqQrZVOpX2kN+whLSMf5JLKCRcRq3:AQ4K+/F9aDg9HMCHlIpXrTdSs+Cas3

Malware Config

Signatures

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2523a249287e7a361e18628dc37da34.exe
    "C:\Users\Admin\AppData\Local\Temp\b2523a249287e7a361e18628dc37da34.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4544
  • 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=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2800

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4544-0-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/4544-9-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/4544-10-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/4544-12-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/4544-15-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/4544-16-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB

    • memory/4544-19-0x0000000000400000-0x0000000000477000-memory.dmp

      Filesize

      476KB