Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    108s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 19:44

General

  • Target

    2024-04-05_d9b30c92f2c7f92a666c702d572e6a73_cryptolocker.exe

  • Size

    42KB

  • MD5

    d9b30c92f2c7f92a666c702d572e6a73

  • SHA1

    1d804c3d966caa28db785c08132494d5b13553cc

  • SHA256

    49c523fcbd9807019b7341e8adf9968bd40821a9170c9b87427c2f24a47655c2

  • SHA512

    4fb9304b4aadfe05bf3402b8343f3ea49d71f3b575064a5bc97802391f35f2d7933c4d11e92b9555cd4cef89ca92ce98babf02f9442ee44c48057bedbac63bdb

  • SSDEEP

    768:bAvJCYOOvbRPDEgXrNekd7l94i3p+OMD6:bAvJCF+RQgJeab4sxR

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-05_d9b30c92f2c7f92a666c702d572e6a73_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-05_d9b30c92f2c7f92a666c702d572e6a73_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:1488
  • 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=4072 --field-trial-handle=2284,i,2771196087253062161,8107167670425198948,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\demka.exe

      Filesize

      42KB

      MD5

      b21941ee190c52f77ee830bc21cd2d4c

      SHA1

      fcb027dd7cd8c42fc13dd6eabf9903c0c32e7503

      SHA256

      8009709c6beb9cbc47c08ca73d9753fe62b2fbf150b7aac22427bcf24efb8f5b

      SHA512

      757a85b1fb74c954da15c09154f7418a431c572299b9274d042c928853b65acb251b97e58a5b522ce2c44831b9aa5f58384785c325d9061c0af2edd45ecb0756

    • memory/1488-20-0x0000000002D60000-0x0000000002D66000-memory.dmp

      Filesize

      24KB

    • memory/4436-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

      Filesize

      24KB

    • memory/4436-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

      Filesize

      24KB

    • memory/4436-2-0x0000000000400000-0x0000000000406000-memory.dmp

      Filesize

      24KB