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Analysis

  • max time kernel
    148s
  • 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
    12/09/2024, 05:27

General

  • Target

    2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe

  • Size

    47KB

  • MD5

    4374ea1bf2183c921aa430c37986c07c

  • SHA1

    f87ef4ab6f693145c5a6ab9bfed303419744d429

  • SHA256

    1af8b61e3010a38815d1efe24305870855576cff3fbc23fcb536a28bceda3990

  • SHA512

    c8bd88820eadfad0d99ed35f0d126901657e45c1a1c333abd1b63bee3a13826c7fc116632d7685910f3472ed5ecf6cd57e1db24a86602d3d2fe3abadfc61374a

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlADh:P6QFElP6k+MRQMOtEvwDpjBQpVX8AF

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\2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1216
    • 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:4608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    5aefb378c017388077bbb4be21fe7108

    SHA1

    ea8a40fd3a59df6459a1b2d10d22cb3e190a1b24

    SHA256

    453cf13f2732f643d2576fdf32a316d15225a279103d7c8ab1db6a8e1445a07b

    SHA512

    359f4dadac91fa3fc1fe14e9eb73c66758163045797091c9bd49896fc4032797c74d613b7e3c3aa23c3cc826067f107bdab9a082a08f5a7206853c246958a725

  • memory/1216-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/1216-1-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/1216-2-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/1216-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/1216-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4608-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4608-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB