Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 17:12

General

  • Target

    2024-06-12_92ac9de5514b28d505ff2239f9ae76d0_cryptolocker.exe

  • Size

    41KB

  • MD5

    92ac9de5514b28d505ff2239f9ae76d0

  • SHA1

    c77a3691008670aa6daf49cd957b58d89bfb04ab

  • SHA256

    b8904ac20535d4c6cfd394516408845483c88241443bc896eefeff7c35f0bbe5

  • SHA512

    5f542efc3bbaba402d7270edeefaf33b9c62c2a7d0ee4b97da4b50e3418c94693371ba00bf92be707f43cb6e5005aa7ffe9250987b2154d92c7fedfafa1d852a

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDkPz:ZzFbxmLPWQMOtEvwDpjLeJAsKcOz

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • 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\2024-06-12_92ac9de5514b28d505ff2239f9ae76d0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_92ac9de5514b28d505ff2239f9ae76d0_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    45055bfea28fa317a9f0546f7c935173

    SHA1

    69d17df954e3d4158a1d4ecc9ae46feabe4563b4

    SHA256

    d9ef10db3277933c845fd5054b7bafb3fec6e0d8a89d47438563ef55affaf4f5

    SHA512

    f9fec38d96de8062738b1401257d52e6b6a6de7db0b8beeae065518d7624f8e5e47135977bb026d895a09ecb704a62edd8b4fa5017557a2a0a184b77f6a58068

  • memory/1272-17-0x0000000000450000-0x0000000000453000-memory.dmp

    Filesize

    12KB

  • memory/1272-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1272-21-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4976-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4976-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/4976-2-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/4976-9-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/4976-19-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB