Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 01:24

General

  • Target

    2024-09-29_5ae405bc562c63dc8444c8179a8ab918_cryptolocker.exe

  • Size

    57KB

  • MD5

    5ae405bc562c63dc8444c8179a8ab918

  • SHA1

    a1e493b73a80a6291fb68deda80f49384151efba

  • SHA256

    96bcd903c92e3df8a77f4d4e1ba515b7427ca664ed77ae3e7eed851772df8d60

  • SHA512

    24bad37c8498469638b6d026dda745c60edcf04b637d95922ccf01e6a2e4693b7aadb5059e17346c589a8a7be51d9685984816b923797e8037396d69ca50a695

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjyaLccCKdulcrJu9:V6a+pOtEvwDpjv9c

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-29_5ae405bc562c63dc8444c8179a8ab918_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-29_5ae405bc562c63dc8444c8179a8ab918_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1432

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          58KB

          MD5

          7db8faa32db10d936a021a4623bd32fe

          SHA1

          df0a4bb8b1629c0d2945f6b6884439158a28746a

          SHA256

          60afd62338cc6dd5e2c1b6d8e28de0c09a4124c47c1110630c666acd8f57bd02

          SHA512

          461783efaa57dfabf405a6a2cabdf8453ec4a713c2022715bcaa033345ae7cbbaf79a3e7a6a755021fc4966a1ed3a4ed9acb57cf79252d5e21457eeb192afe20

        • memory/1432-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1432-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/4816-0-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/4816-1-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/4816-2-0x0000000002070000-0x0000000002076000-memory.dmp

          Filesize

          24KB