Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2024, 07:32

General

  • Target

    2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe

  • Size

    33KB

  • MD5

    9aaa67ee5a7c9757141baddcd83803f7

  • SHA1

    268a8334fee7871ca2cdd39c42b1d025ac2d34b2

  • SHA256

    9ec80b8f4f6bc7e10bfcc0888d6bb98c8d700062d0adf86093d246fd72629ed6

  • SHA512

    f219ab5648bde657a79411f18f8dfc55df1cc15f4f13f303de2c5742789f52f2b4cc6e32834e1dfc8e2ce28e6f0fde5b8d477f3f261d86b9983124ec398bda62

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7R:bAvJCYOOvbRPDEgXRcJ1

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Checks computer location settings 2 TTPs 1 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\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      PID:5020
  • 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 --field-trial-handle=3144,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
    1⤵
      PID:3444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      33KB

      MD5

      dcfb797059c3f37f49599871a7fe708b

      SHA1

      4316a81855921a7134f92617dd5d1332ceb66c2e

      SHA256

      0080afed6cbcc88510f3514ac98cdb436e95231a65903d45ce72d493d9479c5c

      SHA512

      d9d3d3ab00765074f144e595dac445a11b964b6a7045bdd56b69ef24dd0d91c684dc5bfc0875f4e48b1e3229743d5b19c4188aa90232089eb4a962ef67f13a62

    • memory/1072-0-0x0000000002110000-0x0000000002116000-memory.dmp

      Filesize

      24KB

    • memory/1072-1-0x0000000000400000-0x0000000000406000-memory.dmp

      Filesize

      24KB

    • memory/1072-8-0x0000000002110000-0x0000000002116000-memory.dmp

      Filesize

      24KB

    • memory/5020-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

      Filesize

      24KB