Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 11:46

General

  • Target

    2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe

  • Size

    36KB

  • MD5

    a8bac107e47ae44b5e290618a5a39033

  • SHA1

    9affa467c89fdb2c43ea5577b392720522474113

  • SHA256

    2083d021e9ec99a0631423dfc89e45940d1299952e63b2efd4b97662065f8a8b

  • SHA512

    3d3b88956326cbca496eeff9145a176ebf57ce434c2740136c44ef47d8d102b6a77590ad33d4532b326d4b1a1c4564c3f98d8f1f91a549e94d88a160192cbdee

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6c3l8Sz960SPluRiib:bAvJCYOOvbRPDEgXRc3SSz3SPEz

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • 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\2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-09_a8bac107e47ae44b5e290618a5a39033_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      PID:4588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    031bc720bbdc5a7a7166004a4e5a654c

    SHA1

    2538ae41d7399cfb332308438746656ae37948df

    SHA256

    fabfbac149715cd8ba00f9e10437351f4adabd295d494e4c951cf2a086d00239

    SHA512

    db8c40cf753db31fb64727221ff5f7948ad7bc62ed96d25564b91dc543a2d571bd5f4f482cbad5353b2974b8f8a624082200940285e3ed1d4f32cc2eaa9da067

  • memory/2152-0-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/2152-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2152-8-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/4588-19-0x0000000002150000-0x0000000002156000-memory.dmp

    Filesize

    24KB