Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:28

General

  • Target

    2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe

  • Size

    42KB

  • MD5

    8ae94bdb6ea88bcd3de203a9e4df07c4

  • SHA1

    14139885eabca03ec93d19c051f7185ad0b62213

  • SHA256

    f088472cacc6da47da523a69027a05f5ddc243ab9fb4d972cd9af1d5edca6088

  • SHA512

    6dd1f0bae60005c7efbdb00c42a2182383bcd6f685a5bf59ff6548abf8398ed026b597b4910067902831c6ba8000cdfb626268add2eca406665768382b5b5ef6

  • SSDEEP

    768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCk:bA6YcA/X6G0W143Qr

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\2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_8ae94bdb6ea88bcd3de203a9e4df07c4_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    b1c8576acccbf40259c61c82eef1cc96

    SHA1

    543ed5679ffbbd121b9b4f759f347ba653ec864c

    SHA256

    87fe96604cf7a3f0edae1869f7a95531b62e47d05e57ac15f6f5218ae1e3b7a0

    SHA512

    1ed29a9d77090d010d0ea9451302c43ee05e8d9998176d93ecbf421108dc354b897d9e893b9cbd3ae2b0d5bfcf0cec9fd85d892e2df3e72ec3015f5ae09063b7

  • memory/3400-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/3400-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/3400-2-0x0000000003140000-0x0000000003146000-memory.dmp

    Filesize

    24KB

  • memory/4588-17-0x0000000001F80000-0x0000000001F86000-memory.dmp

    Filesize

    24KB

  • memory/4588-18-0x0000000003000000-0x0000000003006000-memory.dmp

    Filesize

    24KB