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Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/09/2024, 03:36

General

  • Target

    2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe

  • Size

    35KB

  • MD5

    b4f5ffdd1c15863038e86116accaf458

  • SHA1

    7a4507950ef033fd9af84cf134ca6e9b0eb301d1

  • SHA256

    c5124c53041f396abb1061767de1d88b76563f2f2f8696236603977b7af8623f

  • SHA512

    e5c2fdcd3f83726637b50ae2a6173c9ad9b87b275255aacf674a32b1ddb6fd04e0bc03e4dfb50f2ae3c8ee91c452f5e95a2be1bf960b1f3850a96955391a9dc8

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3Sj:bG74zYcgT/Ekd0ryfjkbCj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-30_b4f5ffdd1c15863038e86116accaf458_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    7ed1f08ee545a5c2a2e8b756388a63fa

    SHA1

    9bea73b8c5ad6ae84cbd43084fcd0e98add98d40

    SHA256

    c4b710381eee1361e07b4d6cd0182fdb1be71bb233e259fcad4e3d7111a9de9e

    SHA512

    dcac576b45022c8a63819543c69ef8d9fd72c5cc8c46d33ec6d3e960d28712eb4274872683b4d28702f588026760c6caf41ba2d0dd4bc621104b109e8ce09922

  • memory/2500-17-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2500-19-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2500-20-0x0000000001C00000-0x0000000001C06000-memory.dmp

    Filesize

    24KB

  • memory/2500-27-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2724-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2724-1-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/2724-2-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/2724-9-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/2724-13-0x0000000003070000-0x000000000307A000-memory.dmp

    Filesize

    40KB

  • memory/2724-16-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB