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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 03:29

General

  • Target

    2024-06-20_77e18ff1bbd1f0c2d3324a63b96948ed_cryptolocker.exe

  • Size

    48KB

  • MD5

    77e18ff1bbd1f0c2d3324a63b96948ed

  • SHA1

    94cb70d486a9f646cf956076d9ea6a313311a377

  • SHA256

    2407f65c0cd6c1ce6624d538cef1f572bc9749dce84250cc0cd3a4e9b392b561

  • SHA512

    5c05fa7f8b0f803578112e8b3fe3a751cece75bb825d0719c9f75d7b10b2ebc69a885146f7a9907a1c1b183b6713774ca1c80ed399faa2a91fa879f4103398b6

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBKccJVODvy3SpU3r:79mqyNhQMOtEvwDpjBzckqS2r

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-20_77e18ff1bbd1f0c2d3324a63b96948ed_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-20_77e18ff1bbd1f0c2d3324a63b96948ed_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    685da9d552f5417dcfc6067a27729d88

    SHA1

    78826bd13dd941fdb3ce2fe568feda1c6b5bcca8

    SHA256

    815f648084bd4be6a9d99743b48b91a64bb4d55da2d96781c1f83b07211384dd

    SHA512

    c7a8ee9752db6804c0969e6fbf1847dcbac9cde72e22bd21632271c7df6400c5dd476fa6847bf2f2b0e9b661c8c3f1da86be41a4a1f52bde1370bd5dc8d7e0f4

  • memory/812-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/812-20-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/812-26-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/1080-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1080-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1080-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/1080-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1080-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB