Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/11/2022, 11:03

General

  • Target
    LB3.exe
  • Size 147KB
  • Sample221116-m5pdxaeb6v
  • SHA256 f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\5rzjWf26s.README.txt

Ransom Note
  • ~~~ LockBit 3.0 the world's fastest ransomware since 2019 ~~~ >>>> Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom Links for Tor Browser: >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. You can obtain information about us on twitter https://twitter.com/hashtag/lockbit?f=live >>>> You need contact us and we decrypt one file for free. Download and install qTox app https://qtox.github.io You can contact us using the qTox app Tox ID LockBitSupport: >>>> Your personal DECRYPTION ID: C141890903CB4C9024EFA81CF87E0A1A >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again!
URLs
  • https://twitter.com/hashtag/lockbit?f=live

  • https://qtox.github.io

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LB3.exe
    "C:\Users\Admin\AppData\Local\Temp\LB3.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\ProgramData\70AC.tmp
      "C:\ProgramData\70AC.tmp"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\70AC.tmp >> NUL
        3⤵
          PID:3388
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3684

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          AAAAAAAAAAA

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\AAAAAAAAAAA
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          BBBBBBBBBBB

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\BBBBBBBBBBB
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          CCCCCCCCCCC

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\CCCCCCCCCCC
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          DDDDDDDDDDD

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          EEEEEEEEEEE

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\EEEEEEEEEEE
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          FFFFFFFFFFF

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\FFFFFFFFFFF
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          GGGGGGGGGGG

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\GGGGGGGGGGG
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          HHHHHHHHHHH

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\HHHHHHHHHHH
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          IIIIIIIIIII

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\IIIIIIIIIII
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          JJJJJJJJJJJ

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\JJJJJJJJJJJ
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          KKKKKKKKKKK

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\KKKKKKKKKKK
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          LLLLLLLLLLL

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\LLLLLLLLLLL
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          MMMMMMMMMMM

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\MMMMMMMMMMM
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          NNNNNNNNNNN

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\NNNNNNNNNNN
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          OOOOOOOOOOO

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\OOOOOOOOOOO
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          PPPPPPPPPPP

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\PPPPPPPPPPP
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          QQQQQQQQQQQ

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\QQQQQQQQQQQ
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          RRRRRRRRRRR

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\RRRRRRRRRRR
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          SSSSSSSSSSS

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\SSSSSSSSSSS
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          TTTTTTTTTTT

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\TTTTTTTTTTT
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          UUUUUUUUUUU

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\UUUUUUUUUUU
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          VVVVVVVVVVV

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\VVVVVVVVVVV
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          WWWWWWWWWWW

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\WWWWWWWWWWW
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          XXXXXXXXXXX

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\XXXXXXXXXXX
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          YYYYYYYYYYY

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\YYYYYYYYYYY
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          desktop.ini

          • Path C:\$Recycle.Bin\S-1-5-21-2891029575-1462575-1165213807-1000\desktop.ini
          • Size 129B
          • SHA256 12a9762be3802c7979d8a8316bb6695a453d519a261fb335212632073f327098
          • MD5 SHA1 SHA512

          70AC.tmp

          • Path C:\ProgramData\70AC.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP

          70AC.tmp

          • Path C:\ProgramData\70AC.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP

          memory/4740-161-0x0000000000400000-0x0000000000407000-memory.dmp

          memory/4740-163-0x0000000000400000-0x0000000000407000-memory.dmp