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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 23:19

General

  • Target

    a8170d9cdef6d8b3649d6dc961974490N.exe

  • Size

    102KB

  • MD5

    a8170d9cdef6d8b3649d6dc961974490

  • SHA1

    3e8e052953285fde5181b99cc17c3f9caec240f0

  • SHA256

    efd87d69f563f557a4669afb106fbae11043432e6725ea4834d0bb049b2cde1b

  • SHA512

    0944b921e92881ce8587e3528260afce921f42bd43e1a75dcf01402086999889700e3c1593a7a5fd721b658b3b20bd6d56cb5f1ea1ea8a80597c39c391e3f62f

  • SSDEEP

    1536:W7ZDpApYbWjIlE77ufL2e+efZwZQ/8S/80PqPIUpCUpiPa:6DWpwE7oL2e+efZwZ08i8X

Score
9/10

Malware Config

Signatures

  • Renames multiple (4324) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8170d9cdef6d8b3649d6dc961974490N.exe
    "C:\Users\Admin\AppData\Local\Temp\a8170d9cdef6d8b3649d6dc961974490N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3252
  • 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 --field-trial-handle=3036,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
    1⤵
      PID:2320

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

      Filesize

      103KB

      MD5

      f7fc6cdf27008c2b1e46bec249948117

      SHA1

      59415a5dffe9b7632556f0dce899987b948e079b

      SHA256

      ce82aac83f2176bdf686d696f07df599928a250ee1cca8452cd329e1e2cd9a9f

      SHA512

      9a5ecda23252f6683117f7b7cc3a321044a532ceabdbee5ea064285f6756e8fd0a23ea1e9c3128d7ba7ef287685107d4a7bfd322858aa2b9176d3ce4ce50347e

    • C:\Program Files\7-Zip\7-zip.chm.tmp

      Filesize

      215KB

      MD5

      b4b9729f8303e08cb41a18522024e9b7

      SHA1

      4bdc3c8b0a8470ec34777db5cc33b3b63989555b

      SHA256

      ecda37077f80469393a731d708119c070be8f3744ba81cce25ecbae3e64b3873

      SHA512

      4c932a26a303d1a604aa0f077117a26d4d8015d88ae7bd9e71b08503c7112d47c81c8c534efcdca48c6f27fd7b3ff53ccc3d0e1bd8ca36975fff5afbf78b7405