Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 08:03

General

  • Target

    2024-10-12_c1f82e466751950299d68c736ba87a06_cryptolocker.exe

  • Size

    54KB

  • MD5

    c1f82e466751950299d68c736ba87a06

  • SHA1

    59c85e0eade514cb21d7fef0fdff6a965ac40784

  • SHA256

    992e2cc14a84687dff3eeebce4b71e25e16f854eb0915e7780e9efd87d1c16d8

  • SHA512

    20a88b1499cfafb115c5d6c7b1f67d719c713ab879ec12fae8ade9462c6c499b78507315e0dd5b9583aed9f5dd774ca5b86c62b329c76dca74ff5f2658adb243

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61C:BbdDmjr+OtEvwDpjMw

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\2024-10-12_c1f82e466751950299d68c736ba87a06_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_c1f82e466751950299d68c736ba87a06_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • 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:3512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    77ea90c9dddd231c77ba98f4cbc44258

    SHA1

    b8a1a9b8dd114b76687a3a401eb8348fb9398399

    SHA256

    24ace2146961d9802dec9a14c44ae8a6fa3e52099a90d96d31cf794d49d4824a

    SHA512

    db9738529144b0eeaef19a7089141d1457de401d53571ef39ab451f49b89d9d0e38eabc77095a5591ca52bb66feccc242de9cf3884939584bc1cb10a49224f91

  • memory/2816-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2816-1-0x0000000000880000-0x0000000000886000-memory.dmp

    Filesize

    24KB

  • memory/2816-2-0x0000000000880000-0x0000000000886000-memory.dmp

    Filesize

    24KB

  • memory/2816-3-0x00000000008A0000-0x00000000008A6000-memory.dmp

    Filesize

    24KB

  • memory/2816-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3512-19-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/3512-25-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3512-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB