Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 14:36

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:396
    • 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:1992
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 2732
        3⤵
        • Program crash
        PID:840
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 1992 -ip 1992
    1⤵
      PID:2424

    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

      9e45e784e2d640c1aa8a549678d2a7d3

      SHA1

      621289ba2924275a478803b174eb2c83e5776dea

      SHA256

      d3025c9eba17f1dc87204c5a61e53ad8d6850aeff328ad7586745101e2dc591d

      SHA512

      cba024347d760ec5f14dde94bac54cc744af081b4e0aa0e9854f2943a6532e6dec950081326cbbaea41c4606fba671b54b098e43f02a49a381648fc004b65bd9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pl0sp52w.05v.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/396-6-0x00000275DB320000-0x00000275DB342000-memory.dmp

      Filesize

      136KB

    • memory/396-11-0x00007FFCD54B0000-0x00007FFCD5F71000-memory.dmp

      Filesize

      10.8MB

    • memory/396-12-0x00007FFCD54B0000-0x00007FFCD5F71000-memory.dmp

      Filesize

      10.8MB

    • memory/396-13-0x00007FFCD54B0000-0x00007FFCD5F71000-memory.dmp

      Filesize

      10.8MB

    • memory/396-16-0x00007FFCD54B0000-0x00007FFCD5F71000-memory.dmp

      Filesize

      10.8MB

    • memory/396-0-0x00007FFCD54B3000-0x00007FFCD54B5000-memory.dmp

      Filesize

      8KB

    • memory/1992-36-0x0000000006820000-0x000000000683E000-memory.dmp

      Filesize

      120KB

    • memory/1992-42-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-20-0x0000000005A70000-0x0000000006098000-memory.dmp

      Filesize

      6.2MB

    • memory/1992-21-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-22-0x0000000005950000-0x0000000005972000-memory.dmp

      Filesize

      136KB

    • memory/1992-23-0x0000000005A00000-0x0000000005A66000-memory.dmp

      Filesize

      408KB

    • memory/1992-24-0x00000000060A0000-0x0000000006106000-memory.dmp

      Filesize

      408KB

    • memory/1992-34-0x00000000061D0000-0x0000000006524000-memory.dmp

      Filesize

      3.3MB

    • memory/1992-18-0x0000000003240000-0x0000000003276000-memory.dmp

      Filesize

      216KB

    • memory/1992-37-0x0000000006850000-0x000000000689C000-memory.dmp

      Filesize

      304KB

    • memory/1992-17-0x000000007486E000-0x000000007486F000-memory.dmp

      Filesize

      4KB

    • memory/1992-38-0x00000000081D0000-0x000000000884A000-memory.dmp

      Filesize

      6.5MB

    • memory/1992-39-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

      Filesize

      104KB

    • memory/1992-53-0x0000000007B10000-0x0000000007B2E000-memory.dmp

      Filesize

      120KB

    • memory/1992-43-0x0000000070A70000-0x0000000070DC4000-memory.dmp

      Filesize

      3.3MB

    • memory/1992-19-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-55-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-54-0x0000000007B50000-0x0000000007BF3000-memory.dmp

      Filesize

      652KB

    • memory/1992-41-0x0000000070680000-0x00000000706CC000-memory.dmp

      Filesize

      304KB

    • memory/1992-40-0x0000000007AD0000-0x0000000007B02000-memory.dmp

      Filesize

      200KB

    • memory/1992-56-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-57-0x0000000007C50000-0x0000000007C5A000-memory.dmp

      Filesize

      40KB

    • memory/1992-58-0x0000000007E60000-0x0000000007EF6000-memory.dmp

      Filesize

      600KB

    • memory/1992-59-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

      Filesize

      68KB

    • memory/1992-60-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

      Filesize

      56KB

    • memory/1992-61-0x0000000007DF0000-0x0000000007E04000-memory.dmp

      Filesize

      80KB

    • memory/1992-62-0x0000000007E40000-0x0000000007E5A000-memory.dmp

      Filesize

      104KB

    • memory/1992-63-0x0000000007E30000-0x0000000007E38000-memory.dmp

      Filesize

      32KB

    • memory/1992-64-0x0000000010000000-0x0000000010022000-memory.dmp

      Filesize

      136KB

    • memory/1992-69-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1992-70-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB