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Analysis

  • max time kernel
    163s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2024, 05:58

General

  • Target

    2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe

  • Size

    48KB

  • MD5

    47ed1f9987ee335d25a00d63a55a1167

  • SHA1

    86c9c977be1f41b06a950ad547b05bf7ac09906a

  • SHA256

    9622d48a46ec6987efdc87eaab740c6c764944000a7710268ef00b6eaa90934c

  • SHA512

    a7da284c5791f58a7bdc71f4e24280037e5fb0c089cdeababae28bc266ae6476daff559fc9cb8ffd5b299284209ad583c8caf52001a0668e1f969d802fa60678

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKI949:79mqyNhQMOtEvwDpjBxe8TpX9Q

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\2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-11_47ed1f9987ee335d25a00d63a55a1167_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    98370a2fa0d532ea53d1ddc28608c4d9

    SHA1

    c5f3f6d9f6f427450a89ad727982a7150ed6e00a

    SHA256

    d749ff5b14120e25b83061a446052f343e9a9efba0ab3aacad0c7c0cc708225f

    SHA512

    ac80ed1a75223baccbc4e2b5972cef00449abe1b555d9b7dbb1e07ace8804e881a2c0830c1accf2f8313b546c4e8e19c142e9318b741bcf992e93813c30d60eb

  • memory/976-18-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/976-24-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/976-25-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4576-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4576-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4576-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4576-3-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/4576-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB