Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 18:48

General

  • Target

    LB3_pass.exe

  • Size

    149KB

  • MD5

    43e05ce9ffcf4948d7ee11ff17d5a596

  • SHA1

    13d714a431fac8572b3e2b63f65fb067fd145293

  • SHA256

    87184bbef239d3062c4af872fc5b43fb79622ce2e0c6072e40e3c3622b0e52d9

  • SHA512

    1319c80c5bb77f046dc0fc2af8c669cceb5c80c3f633614da87c45918eef2eb58f8811e5617d32f9e8616d1b4ba48ae28ea81da84600afe5bafde6ae46d3fc27

  • SSDEEP

    3072:oltWxaOXKDIzkpN7anX/YhbtX0V+GFkofkGDgAIYkyRgD+Pdt9:IIxaOXKDIzqN7oXAdtkvFk2kGDw2DT9

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe
    "C:\Users\Admin\AppData\Local\Temp\LB3_pass.exe"
    1⤵
      PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 276
        2⤵
        • Program crash
        PID:3636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4920 -ip 4920
      1⤵
        PID:4840
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -pss -s 512 -p 548 -ip 548
        1⤵
          PID:4268
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 548 -s 1756
          1⤵
          • Program crash
          PID:4348

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              • memory/4920-132-0x0000000000400000-0x0000000000429000-memory.dmp

                Filesize

                164KB