Analysis

  • max time kernel
    149s
  • 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
    30/09/2024, 06:32

General

  • Target

    2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe

  • Size

    67KB

  • MD5

    1ea282ba8449629944baa8e1970c5b0d

  • SHA1

    8b267c37bbec3d022ddee178efc3fe81a3f7b2b7

  • SHA256

    03dd085818c08108840f70824a1a3f886a639976f6d909b94cfa090f9ecc6a85

  • SHA512

    40fe538538b15f6d6b7ad1430ffc6ff65eb439acec6934e7d769666a3876c854e704584841d886d55a94c96abeba86effb297f419f1b1d8da3e7857490b14867

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsijA:BbdDmjr+OtEvwDpjM89

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\2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-30_1ea282ba8449629944baa8e1970c5b0d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4696
    • 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:2056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          67KB

          MD5

          646772d80cb7375db08a02236da16401

          SHA1

          c9df85df9d35fff91be6e46e40df84126447350d

          SHA256

          3b5d7dc5d9bffa951eb386181382909e4bf8dea083b79c61d01e7fd4bab4cab0

          SHA512

          85a95e551fbcce77ee937932167591769ecde5ffa69bc4b6a5d4ec71b58191a5fea8e1455397b6762849d3aeac32f3e258337f6194b9dd4328410b86613cb45d

        • memory/2056-19-0x0000000000750000-0x0000000000756000-memory.dmp

          Filesize

          24KB

        • memory/2056-20-0x0000000000770000-0x0000000000776000-memory.dmp

          Filesize

          24KB

        • memory/2056-26-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/4696-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/4696-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/4696-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/4696-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/4696-17-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB