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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 14:21

General

  • Target

    2024-10-09_eb2727c198ff658eb8185c59cd9df33f_cryptolocker.exe

  • Size

    90KB

  • MD5

    eb2727c198ff658eb8185c59cd9df33f

  • SHA1

    fa06dfbbd72a1094e29a337545e2b70e219c2bc1

  • SHA256

    3802ff37f3c73aa7162c5a3161906b700bc63d4c2b456f92b39efbe055a830d6

  • SHA512

    cbd34b096d38179992113940ccc22ec8448934c2d9766d4e8726592f3b6028bfbe5eb4bab73ced4a46eeaed92e03ba3e7d0f9492a9aef9d0b9e10360678201eb

  • SSDEEP

    1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp0:AnBdOOtEvwDpj6zP

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-09_eb2727c198ff658eb8185c59cd9df33f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_eb2727c198ff658eb8185c59cd9df33f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2852
    • 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:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    b8d8a9423b67b2123b459882c96dc087

    SHA1

    78b042c0b4d5aae4cfe0caadb411bc3a625e697e

    SHA256

    06bfa9c72da779d39445a6d66bc12ab1e928d68b94da3d3942f1e3cbdc78af76

    SHA512

    3e9b2deee624e482fba331def8b70f0787e4e559fc8a89887e56302c103b31144d31be90991a37dfdefe7d038fb4152d1ce64e1f4d300e04c1a001b04de9dc6e

  • memory/2732-18-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2732-19-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2732-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2852-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2852-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2852-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2852-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2852-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB