Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 18:25

General

  • Target

    2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe

  • Size

    50KB

  • MD5

    3a9a5e98d3fc6f79d6385da3edbb868a

  • SHA1

    19d9c517f4501f1329a0e1a070f4bb8e2edda7ec

  • SHA256

    8bbeffe221284a3812de2ba800b663e30848996122f829a5a37303fe3f9260f2

  • SHA512

    5d3a2f6d3efb154b2432da9e1c531a247b8da7cc88774d72e37e74469d0139584bb1cf544d07f8700d0eeaf7028a6d27d47d55128bb22713d4abe8fcd2e129bc

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556BlvsTc:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvIc

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\2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-07_3a9a5e98d3fc6f79d6385da3edbb868a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1620
    • 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:2332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    b069dc843d3ade9e6b3f623ca0ef14cf

    SHA1

    8d1d2289816a9a013880aeefe7c8399e0b9b35d5

    SHA256

    f9142b0ed07cbf1e22e809d51e6e059dfa4bbdbd66f685d99424d8d9817bf2a2

    SHA512

    894f53adf74845794ef8b903f28a25b911a0ec37d459f4bdaf140a4f0ee51067f0cc5779e3ead551e6be31c49e2361e9af319221b8cf251aa866cea7860b7976

  • memory/1620-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/1620-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1620-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2332-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2332-16-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB