Analysis

  • max time kernel
    98s
  • max time network
    146s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    20-12-2024 00:56

General

  • Target

    LBB_PS1_pass.ps1

  • Size

    590KB

  • MD5

    d96d2bcf13d55740f3bb64d45d2db94d

  • SHA1

    4ded4b1d4866a4adf534f5a4eb66386465fe3120

  • SHA256

    82d89a75d80e80e4be42c9eb79e401558c9fa3175648cd0c0467f2de1a07a908

  • SHA512

    cb1fbe8f36630915796d864c5a044177ea4ad881281ec454f932232fff99ce0524fb63becd96581a23cfe12bc455d55b613aaa389aa0a68fac97748400f473bd

  • SSDEEP

    1536:Kk0H/lFq+N1mfoRlNyjZk11iBQcIY1Y+qFMJFOgvZ/wpKDcalOGODPNTbJYj6CJh:QA

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Lockbit family
  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\LBB_PS1_pass.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ex bypass -nonI C:\Users\Admin\AppData\Local\Temp\LBB_PS1_pass.ps1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 2736
        3⤵
        • Program crash
        PID:4984
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1964 -ip 1964
    1⤵
      PID:4248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      1KB

      MD5

      0f536185161ea0056d3bd05260046034

      SHA1

      4a0d9d2e74d317336d84d46cdda7dc000e5b0673

      SHA256

      147dec4e2876cf0d18c9e5d1f2ad76a652cc317be30eccc07f49a572bdebf4c8

      SHA512

      a38eed843edd28daf9bdcc134cc87e6bd5c0f87d3c4f4d9a6bf7cc36273c1f1af4a3a718ae5aa4654e14a14811cc01f1a0af70f2c571a192bcb74ee608cac60c

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rl3ckpum.dqe.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1964-39-0x0000000007B10000-0x0000000007B2A000-memory.dmp

      Filesize

      104KB

    • memory/1964-70-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-71-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-41-0x00000000707A0000-0x00000000707EC000-memory.dmp

      Filesize

      304KB

    • memory/1964-69-0x00000000745CE000-0x00000000745CF000-memory.dmp

      Filesize

      4KB

    • memory/1964-17-0x00000000745CE000-0x00000000745CF000-memory.dmp

      Filesize

      4KB

    • memory/1964-18-0x0000000003350000-0x0000000003386000-memory.dmp

      Filesize

      216KB

    • memory/1964-20-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-68-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-19-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-22-0x0000000005B60000-0x0000000005B82000-memory.dmp

      Filesize

      136KB

    • memory/1964-24-0x0000000006400000-0x0000000006466000-memory.dmp

      Filesize

      408KB

    • memory/1964-23-0x0000000006320000-0x0000000006386000-memory.dmp

      Filesize

      408KB

    • memory/1964-34-0x0000000006470000-0x00000000067C7000-memory.dmp

      Filesize

      3.3MB

    • memory/1964-63-0x0000000010000000-0x0000000010022000-memory.dmp

      Filesize

      136KB

    • memory/1964-36-0x00000000069B0000-0x00000000069CE000-memory.dmp

      Filesize

      120KB

    • memory/1964-37-0x00000000069F0000-0x0000000006A3C000-memory.dmp

      Filesize

      304KB

    • memory/1964-38-0x00000000081F0000-0x000000000886A000-memory.dmp

      Filesize

      6.5MB

    • memory/1964-21-0x0000000005BE0000-0x00000000062AA000-memory.dmp

      Filesize

      6.8MB

    • memory/1964-62-0x0000000007FE0000-0x0000000007FE8000-memory.dmp

      Filesize

      32KB

    • memory/1964-55-0x0000000007D00000-0x0000000007DA3000-memory.dmp

      Filesize

      652KB

    • memory/1964-42-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-53-0x0000000007CD0000-0x0000000007CEE000-memory.dmp

      Filesize

      120KB

    • memory/1964-43-0x0000000070910000-0x0000000070C67000-memory.dmp

      Filesize

      3.3MB

    • memory/1964-54-0x00000000745C0000-0x0000000074D71000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-40-0x0000000007C70000-0x0000000007CA2000-memory.dmp

      Filesize

      200KB

    • memory/1964-56-0x0000000007E00000-0x0000000007E0A000-memory.dmp

      Filesize

      40KB

    • memory/1964-57-0x0000000008020000-0x00000000080B6000-memory.dmp

      Filesize

      600KB

    • memory/1964-58-0x0000000007F50000-0x0000000007F61000-memory.dmp

      Filesize

      68KB

    • memory/1964-59-0x0000000007F90000-0x0000000007F9E000-memory.dmp

      Filesize

      56KB

    • memory/1964-60-0x0000000007FA0000-0x0000000007FB4000-memory.dmp

      Filesize

      80KB

    • memory/1964-61-0x0000000007FF0000-0x000000000800A000-memory.dmp

      Filesize

      104KB

    • memory/4632-11-0x00007FFDC4EF0000-0x00007FFDC59B2000-memory.dmp

      Filesize

      10.8MB

    • memory/4632-10-0x000002A30E210000-0x000002A30E232000-memory.dmp

      Filesize

      136KB

    • memory/4632-0-0x00007FFDC4EF3000-0x00007FFDC4EF5000-memory.dmp

      Filesize

      8KB

    • memory/4632-16-0x00007FFDC4EF0000-0x00007FFDC59B2000-memory.dmp

      Filesize

      10.8MB

    • memory/4632-13-0x00007FFDC4EF0000-0x00007FFDC59B2000-memory.dmp

      Filesize

      10.8MB

    • memory/4632-12-0x00007FFDC4EF0000-0x00007FFDC59B2000-memory.dmp

      Filesize

      10.8MB