Analysis

  • max time kernel
    78s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:26

General

  • Target

    2024-11-20_493777fa638cca6476609936240f6e25_cryptolocker.exe

  • Size

    53KB

  • MD5

    493777fa638cca6476609936240f6e25

  • SHA1

    969181eb9552a3f6627f3bc0cb0a6d1fc010e8e4

  • SHA256

    eaa486518cc428c06f26a73af2825c7914caab65ea8a96bef91b0caf17ac0817

  • SHA512

    89a5633b246a85e4d2665fe9ea2f383e6e1dedbae9bf4810e4e07943e1110fa0201689040f0e50a12747816ba1d734cf9aab8647807bfbfb8579400946bb9061

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFvPR:vj+jsMQMOtEvwDpj5HH1nw73KOFR

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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.

  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-20_493777fa638cca6476609936240f6e25_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_493777fa638cca6476609936240f6e25_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    5e0a0ba78a787fc2ce99a17d6e1f7525

    SHA1

    f2e7b806835e673f03036de03464b4ec2996cecf

    SHA256

    ea62981ec75b0f27fd427d573caa05378226ff676c5fc34cb83899aa5a3cf115

    SHA512

    54d232de47cb82ee6eb3875c88b0145b83a9d4d6ede0eb0d82e147c89ba1a1059dc56b16557c54cdd39b7a4a153da3efa1ddda237ca8473ca2c2563e66b5a795

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2032-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2032-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2032-2-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/2916-18-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/2916-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB