Analysis

  • max time kernel
    150s
  • 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
    13-06-2024 12:24

General

  • Target

    2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe

  • Size

    82KB

  • MD5

    050e12ee74b8155ab700c46d10689830

  • SHA1

    b67b3bab9b40abef074b69ff132c9108d0d7ef20

  • SHA256

    b90f8095274d599bdadf6875c9b6ae4a35ccd057a337cc2063ddb5e3b4697d9b

  • SHA512

    47d43538e161c7b8355e435648db1c826bc5d0e9fdaf8fe9cc2526e190aeefb3bc26ad7002440c2cab219ad7921e8b4bd73609162158ef5734713313833a328d

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMr3p:TCjsIOtEvwDpj5HE/OUHnSMD

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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\2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_050e12ee74b8155ab700c46d10689830_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1436
  • 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=4104,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8
    1⤵
      PID:3716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      82KB

      MD5

      a11867f8ead957fc6b5ae1c7200fd71a

      SHA1

      51f1dbc231ce95be0918e5d83e606f9909544af9

      SHA256

      2b8a55147220731556aef51af3ee65faa77dd4b576f454cb6c398cecc9059d4e

      SHA512

      1dcd92472a398896338a4e9dc04383d748d46cc3df4d476c9cb9d51479949fa74bcc92475a2547a39ff6ec0f5d61336706486541f0ec0dc72ce00c874f460724

    • memory/1436-17-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/1436-26-0x0000000000840000-0x0000000000846000-memory.dmp

      Filesize

      24KB

    • memory/1436-19-0x0000000002070000-0x0000000002076000-memory.dmp

      Filesize

      24KB

    • memory/1436-27-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/4564-0-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB

    • memory/4564-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/4564-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

      Filesize

      24KB

    • memory/4564-9-0x00000000004F0000-0x00000000004F6000-memory.dmp

      Filesize

      24KB

    • memory/4564-25-0x0000000000500000-0x000000000050E000-memory.dmp

      Filesize

      56KB