Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 07:25

General

  • Target

    2024-10-05_982be96edfc8fb874e88d5d43cf26caa_cryptolocker.exe

  • Size

    43KB

  • MD5

    982be96edfc8fb874e88d5d43cf26caa

  • SHA1

    12f3e262e1bbf265c564bae83a8c7890157031b9

  • SHA256

    def89fca09acd991badc7a1aa2496d207dad7ac86ed56ee73ff3ade241e550c8

  • SHA512

    9f86d129b409d6933d7652985117d9ac5dfe2ab8fabba238a77f633a06d294bd46fa840355cfcf38d44877605dbca4bb8cd313fb936fca75e02bd8e52a1b38d9

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95R:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDF/

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\2024-10-05_982be96edfc8fb874e88d5d43cf26caa_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-05_982be96edfc8fb874e88d5d43cf26caa_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3472
    • 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:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    ed189b1c1232916bcd0fd34b63ee9e1f

    SHA1

    1789395b1baab57afc243faf42d5b18ec4ccf8ba

    SHA256

    3578ca004c0c453b0c675b917d63de557efad35bee86f078f76131b62957ecb1

    SHA512

    775b35ccf45081f16229ff41e6b57140f005c0bf57420eebf316ffe0f5efcecefae8222785e8f9d744f6d21b922811144dd8cf0dfc5f2fa9e76c736b713a94e2

  • memory/2720-17-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/2720-23-0x00000000021E0000-0x00000000021E6000-memory.dmp

    Filesize

    24KB

  • memory/3472-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3472-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3472-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB