Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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, 05:26

General

  • Target

    2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe

  • Size

    45KB

  • MD5

    9fadcdaa513d1591cd9a6941dcee8156

  • SHA1

    761bd6fdaa54fa27dc326cb4117add075f76d099

  • SHA256

    275e623fb66253f3a90d11860cf481bc2177a07b9b632d97c62e0ca496be73dc

  • SHA512

    225f5157bd616befffc3f81804ff92d3936ef6f29ed6e1977d5a5f54d992e0592ce359d2c00cb30b8e8db962f19f4824593c16b8918d24eb46e77b5e9ebc2e66

  • SSDEEP

    768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1TlD4U:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLl

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\2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_9fadcdaa513d1591cd9a6941dcee8156_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5076
    • 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:368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    4695af3eb59a567c7c9bc4df88917b07

    SHA1

    a19eb2bdf7dd457f6b884e521dac56595c98af6c

    SHA256

    7d32d6f641be5af1dc26e1d0af18b50f19ce712cd5e2b034f255a48b0cca93c3

    SHA512

    7e1fde36fbd5b06c78e2d72249499d2fb768038e8a91e2752bdf5f1668cd06efcfc0613f9dda038948da770f9be58670402af48d7dd60b312ebf4d165c99f269

  • memory/368-20-0x0000000000820000-0x0000000000826000-memory.dmp

    Filesize

    24KB

  • memory/368-19-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/368-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/5076-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/5076-1-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/5076-2-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/5076-3-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/5076-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB