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Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 19:16

General

  • Target

    04ba92c4ddd031dc5903f0342ef7ea00N.exe

  • Size

    76KB

  • MD5

    04ba92c4ddd031dc5903f0342ef7ea00

  • SHA1

    1f61cf24455f19d210c862578488b802c0cc304d

  • SHA256

    b5b56634537106858b2bced859da3d71afeeb5b9401dea6907c1f76f763c1c04

  • SHA512

    dfc8c39c18bb72ad415290806c7105da2742dc3c0aeb6eeca39dfb0b593f03ed5a85a0b44cf59bf6c72c7f361f214e4040e45654c95d5087c3992a44ad749eb9

  • SSDEEP

    768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNy2/mepYXwILQC:V7Zf/FAxTWoJJZENTNyavf73tQqu

Malware Config

Signatures

  • Renames multiple (4360) files with added filename extension

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

  • UPX packed file 4 IoCs

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

  • 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\04ba92c4ddd031dc5903f0342ef7ea00N.exe
    "C:\Users\Admin\AppData\Local\Temp\04ba92c4ddd031dc5903f0342ef7ea00N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4500
  • 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=4152,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
    1⤵
      PID:3640

    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

      77KB

      MD5

      78ee910fb83350fad2815d41ef9f603b

      SHA1

      f81ebcee2089af0b165e4b62516438439f7e1f15

      SHA256

      7e404ec08104c346a9aa2b10afb6977c25081afad5e232d634db5f7db3ae68a0

      SHA512

      169239eae50684f50015edd2e374ce807e19654c9d5869593da1fa1b1f3a384a1b4a1cacc7319bf09f84d159128ac96fd3bf5f14e2279ed6011fdd77a024c3d3

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

      Filesize

      189KB

      MD5

      e49c7f0471d478991f3f8d799f20afa5

      SHA1

      6a796c87bd659df7411d9fc76ab4831082954887

      SHA256

      58ea97ee38db6c87b14fbfff875aebed46b503f424da122dad0b23fc46f1b15d

      SHA512

      2af114cdf586a8e431d8728e8b935079b04fef534da52dd3bafcab60ca1dd0fa52e638b41e5b73cbee66f5ee76ba73bd4acab08280dfc9f5ebe279309e44e772

    • memory/4500-0-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4500-808-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB