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
    04/09/2024, 13:41

General

  • Target

    2024-09-04_0a96eb2b0ff4b33f8bf43f9f9f32c809_cryptolocker.exe

  • Size

    36KB

  • MD5

    0a96eb2b0ff4b33f8bf43f9f9f32c809

  • SHA1

    5303e143281b3cfee3d12a6ac159e5784c212714

  • SHA256

    50a71a0068c9c30dfafed25c435e9cb5ca82de1aeb9b32a9f1417369f86c98c7

  • SHA512

    7ab0043b2e257a9b436cc26731767a8fc21c7335f94b6601ceaff294f5be2618b7749d2f5f849d620dedb9cac24a0684a0370072a0531f93ba29d4bed0eb09e3

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DYox:X6QFElP6n+gJQMOtEvwDpjBmzDYM

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\2024-09-04_0a96eb2b0ff4b33f8bf43f9f9f32c809_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-04_0a96eb2b0ff4b33f8bf43f9f9f32c809_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3412
    • 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:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    5dd977eecc81d615bdf79ccd24b7fb83

    SHA1

    ee9ddd8c1dc19210b4533fe325a455900a760e3e

    SHA256

    f299d79cdb76f21a5b286f8b41bf24c5f4fb3fc2a12bd598a6bcab26af37ebd3

    SHA512

    be1fa1db2e7f25a3445b9d235b94ade2f4790fe2c904390fa617b7694a57eb6ef44d9b0e51d5135f0b1707022e4996d06eead04aedd7b18463646874e3754af6

  • memory/3016-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3016-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3412-0-0x00000000007C0000-0x00000000007C6000-memory.dmp

    Filesize

    24KB

  • memory/3412-1-0x00000000007C0000-0x00000000007C6000-memory.dmp

    Filesize

    24KB

  • memory/3412-2-0x00000000007E0000-0x00000000007E6000-memory.dmp

    Filesize

    24KB