Overview

overview

10

Static

static

3

2026-05-14...ex.exe

windows10-2004-x64

10

2026-05-14...ex.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    14/05/2026, 02:54

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General

  • Target
    2026-05-14_13b25d5795762b82e30501f116ca736e_cryptolocker_elex.exe
  • Size 336KB
  • Sample260514-deandsas9t
  • SHA256 86f4fac36bc44b5accc435614bb8ad535ab815c0002925406e395bbbbe448930
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycryptolockerpersistenceransomware

Malware Config

Signatures

  • Family: CryptoLocker

    Ransomware family with multiple variants.

    ransomwarecryptolocker
  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-14_13b25d5795762b82e30501f116ca736e_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-14_13b25d5795762b82e30501f116ca736e_cryptolocker_elex.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
      "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\2026-05-14_13b25d5795762b82e30501f116ca736e_cryptolocker_elex.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
        "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w00000234
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4356
  • C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2076

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        {34184A33-0407-212E-3320-09040709E2C2}.exe
        • Path C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
        • Size 336KB
        • SHA256 86f4fac36bc44b5accc435614bb8ad535ab815c0002925406e395bbbbe448930
        • MD5 SHA1 SHA512 SSDEEP TLSH
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