Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 11:24

General

  • Target

    2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe

  • Size

    141KB

  • MD5

    dc5c1347d1b3ed88b76f62b7a78fd395

  • SHA1

    5d33b7fd376001d20b3cabae4a28b230abb0ab29

  • SHA256

    f63f424dcb84cb3450535b907aa7806039d713fc708f0d6f4f487246b305993e

  • SHA512

    7621bae2eb02fa15a86d3cbc2917517a5231a9ff38f11e5a07c9beef511689a20aaa826f8a6a6f7630f33a3b74cfdcc572ddfb81894e9d7bc49a285defd9eb02

  • SSDEEP

    3072:TAJatGmYhOgvZmYgzea8VvDoR76NDpO4PFQ+:cx8gYIa8uR7qDQ4l

Score
10/10

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 88
      2⤵
      • Program crash
      PID:1744

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2356-0-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB