Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 23:04

General

  • Target

    2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe

  • Size

    48KB

  • MD5

    938214e96add9c8443b9ec9e0359aa39

  • SHA1

    30c2fb029be6fc319182607be57d70acb87d2309

  • SHA256

    da24292bfe0b2c69ba20d8b4332db030673d3743370a9b161541062a8a0aa7af

  • SHA512

    d4c7b5f7ed76f5d7e0bf55375591129d9aadd32e4b8b55bd216bed343e6898fad6f2593392ba39e8329e79a1a83a450a22c9812e1f0c13d9e5d3ae0a6b169fa2

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dX+q:V6QFElP6n+gMQMOtEvwDpjyaHaXr+q

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).

  • 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    de224b465cac7bae329fcc15da89d7dd

    SHA1

    9cd5dff997210e3223188633482859c6027be3db

    SHA256

    48c99b337f5354b99f39a59315ac373c40353f0850003b98d94acb11e8377600

    SHA512

    6a4f23424bc0bb7243bfa4da84509bf28b4d6c13b51b3bde201b11fdf8205fd7093186ac3accae5186d2039bbd12f8b63b11e5709297411af549a9b8a25a6bdc

  • memory/4528-0-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/4528-1-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/4528-2-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/5088-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/5088-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB