Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:20

General

  • Target

    2024-10-31_feb6d42eca8e0bcfffaf55434221e49d_cryptolocker.exe

  • Size

    48KB

  • MD5

    feb6d42eca8e0bcfffaf55434221e49d

  • SHA1

    701f70bc21a59917efc9ed7dd5c03f7551d19373

  • SHA256

    8aacd66059e26f9d516ae1891e60ab30df1f4c854e196a70057d4c31228c672e

  • SHA512

    5273d3d5cfa3ece835d82baa431267f241cffde8e9abbec66050efe30d6d9cf3ba3b8e6b075d1a8cef88838b706e65df73b222b0a9dca924c22ffefba7300875

  • SSDEEP

    768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrPH:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzz

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\2024-10-31_feb6d42eca8e0bcfffaf55434221e49d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_feb6d42eca8e0bcfffaf55434221e49d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2076
    • 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:4872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    467167dc64a0937ebc1165cd41df4784

    SHA1

    d13f42f00b2cf195e534e9f10b5f93deb77bee08

    SHA256

    6c44154b81b97844c6804fdda6f807f0295675288eb51b305c7c51ab79d70f9b

    SHA512

    8d03f4c2dfd2bc3ebbce914b3bf0c61893aba995fc996a5e50350eb8618a3e087231cebd8b0d4c890de32ac5d92aa3e153ed250afdfb04a36abcbd8c64b6d0e6

  • memory/2076-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2076-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2076-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4872-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4872-18-0x00000000007E0000-0x00000000007E6000-memory.dmp

    Filesize

    24KB