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
    22-05-2024 19:21

General

  • Target

    2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe

  • Size

    44KB

  • MD5

    91b2b70fadf4e2c94bbc1d86289069ea

  • SHA1

    4751532fa6055e604fc5175d8415d0a921ffa8e4

  • SHA256

    421ba68cca40afabf92c14974e94605ea3f729e16831510ce24f901c1400c5be

  • SHA512

    e67822f1f0c79703b75dc9c384400a990c77c5b4e9dcc09f7e42e623eaac1abc4a57489b4212d6dc785639a265be8933a2d44cc0242059f4a792c6911556a728

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jo0nrlwfjDUIDP:bm74zYcgT/Ekn0ryfjvP

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\2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024052191b2b70fadf4e2c94bbc1d86289069eacryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:3112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    444114fcce0e00d94394a5f89541fe96

    SHA1

    30f9bc4524d4becfc2ffd3159f899d4365d5cf75

    SHA256

    e6825fb581c71fa106d0d355769912893462d71c7182faf719a4cc4a8da8b888

    SHA512

    c1f4eb3d3a46dcb33120b544c2883ed2b6579cd40a28ca9c377a695d204487a5163484d23df89eb4601c40d689d8600f01caa60ed27807c3fc30ceed671ba511

  • memory/3112-19-0x0000000003050000-0x0000000003056000-memory.dmp

    Filesize

    24KB

  • memory/3112-25-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/3112-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/4224-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/4224-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4224-2-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/4224-9-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4224-17-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB