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Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 05:00

General

  • Target

    2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe

  • Size

    49KB

  • MD5

    fbe89883a8e3a7edb2c3138db6ba974b

  • SHA1

    f14030f21fc424cc9fd88c328eae9fc45649af25

  • SHA256

    5dec6d51bcd24e36ed44b70184034611355bcc8d3544be336a7b303156c49126

  • SHA512

    e33975af06666e02829a344124050a131dc11c53f114187c284d51c6341d7a5a5c7d2ba1b7247109d6f39b17102c5a4258729c65aa3f531c81000a32dc3abb9c

  • SSDEEP

    768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITXx:26Q0ElP6G+gBQMOtEvwDpjgWMl7TXx

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\2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_fbe89883a8e3a7edb2c3138db6ba974b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1364
    • 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:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    7e1d2b31bfadb67f59bf604855c1cf80

    SHA1

    5fc6435ec266c46a16448e365577fb904673a14d

    SHA256

    7e01f778718b5a0c7b0e366114d4e474e53aaf88a4b372ede361ee4f339f3b56

    SHA512

    10aa5953e9350ab0ef4fb665c3f0fc0a270744d5fd2bc8a0b435721c178a2f38af976d9da47d75247f5e78f7682958c1add10a5330bd91168050c1753cf6a5ea

  • memory/1364-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/1364-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1364-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1364-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/1364-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2860-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2860-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2860-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB