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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, 05:25

General

  • Target

    2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe

  • Size

    47KB

  • MD5

    2d5f56bf8647ee0e3ad721ce81a0bf01

  • SHA1

    a1110d9ba46dab8454d19bde51cddb38586d170a

  • SHA256

    2500ed4c3e31e44c1e4c9650dccce5aae555edfbc1f6d89394c534efdf3cba8f

  • SHA512

    d6474979ae274e82e8a6b46ca7e82a2b369b3755bd84f0e6b954ac19ea1b0937eb96379c19e1d937e885f8fed332e464a5bbce121da2a7df709d34bacd8654e6

  • SSDEEP

    768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrF:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzp

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_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_2d5f56bf8647ee0e3ad721ce81a0bf01_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4912
    • 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:1472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    56a15d6175e7fc6fc17941063980d3a6

    SHA1

    a98aa042da0429a757e61d47b223502a6837fb8f

    SHA256

    9dfb9ae6680e2122431a8d8c885877f3592ad7cc4d847ce83b4b910d2c01c1ca

    SHA512

    0653c2badf7d506efe172b9c5335f367bf862d6a310cb5126d2ce46ee0463386ca1996f85d588a10fd5536e79de353cdeb6123d5d7865ce5056487e7da6ad20a

  • memory/1472-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1472-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/4912-0-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4912-1-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4912-2-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB