Analysis

  • max time kernel
    156s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2024, 05:42

General

  • Target

    2024-01-01_56cb17217268e22392c074d0fdf4393f_cryptolocker.exe

  • Size

    40KB

  • MD5

    56cb17217268e22392c074d0fdf4393f

  • SHA1

    cb9d62082b6071475c3e2fdc67f21a66403edbbb

  • SHA256

    9604c09b8db00d17c07d743975279fcd428a91d2c939dd36f91f93c1df95885d

  • SHA512

    dc0c6a9ac7b8e2e9e350308b06f4f7f9a2323a907ed6be5a2f91b26f40c2b513284296465fb2305843499116048d582d4f9d397876868601ce39890d93448326

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3Jnoehy5vV:V6QFElP6n+gMQMOtEvwDpjeJQy1hyD

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-01_56cb17217268e22392c074d0fdf4393f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-01_56cb17217268e22392c074d0fdf4393f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    2f4daa561c4d18677e3e382cdf5fc4d7

    SHA1

    ab39eb853de096bf6ed90bba0b3f45b439c145af

    SHA256

    6fe88ad03dc572d0b852116a2593ebdc9749206dd8d172c142056f54be79b5c0

    SHA512

    174746c982ff17a867dc06ca4f2dca8629ac03d38860f6974dadfc779cba6ad3cd2699a47a0aa8ae82a1d32235acdfd108d9c8e180bb4fb08b25fa4df1c98a10

  • memory/1776-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1776-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2776-0-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/2776-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/2776-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB