Analysis

  • max time kernel
    75s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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: C141890903CB4C90EB340B158F3FA239 >>>> 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 15 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 16 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LB3.exe
    "C:\Users\Admin\AppData\Local\Temp\LB3.exe"
    1⤵
    • Modifies extensions of user files
    • Loads dropped DLL
    • 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:1836
    • C:\ProgramData\3A91.tmp
      "C:\ProgramData\3A91.tmp"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\3A91.tmp >> NUL
        3⤵
          PID:1676
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x150
      1⤵
        PID:1616

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            AAAAAAAAAAA

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\AAAAAAAAAAA
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            BBBBBBBBBBB

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\BBBBBBBBBBB
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            CCCCCCCCCCC

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\CCCCCCCCCCC
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            DDDDDDDDDDD

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            EEEEEEEEEEE

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\EEEEEEEEEEE
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            FFFFFFFFFFF

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\FFFFFFFFFFF
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            GGGGGGGGGGG

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\GGGGGGGGGGG
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            HHHHHHHHHHH

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\HHHHHHHHHHH
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            IIIIIIIIIII

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\IIIIIIIIIII
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            JJJJJJJJJJJ

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\JJJJJJJJJJJ
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            KKKKKKKKKKK

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\KKKKKKKKKKK
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            LLLLLLLLLLL

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\LLLLLLLLLLL
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            MMMMMMMMMMM

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\MMMMMMMMMMM
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            NNNNNNNNNNN

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\NNNNNNNNNNN
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            OOOOOOOOOOO

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\OOOOOOOOOOO
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            PPPPPPPPPPP

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\PPPPPPPPPPP
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            QQQQQQQQQQQ

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\QQQQQQQQQQQ
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            RRRRRRRRRRR

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\RRRRRRRRRRR
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            SSSSSSSSSSS

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\SSSSSSSSSSS
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            TTTTTTTTTTT

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\TTTTTTTTTTT
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            UUUUUUUUUUU

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\UUUUUUUUUUU
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            VVVVVVVVVVV

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\VVVVVVVVVVV
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            WWWWWWWWWWW

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\WWWWWWWWWWW
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            XXXXXXXXXXX

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\XXXXXXXXXXX
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            YYYYYYYYYYY

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\YYYYYYYYYYY
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            desktop.ini

            • Path C:\$Recycle.Bin\S-1-5-21-575491160-2295418218-1540667289-1000\desktop.ini
            • Size 129B
            • SHA256 fec04bf7945c07ab49cb78fb4293c6e706b4039b4cf3b05e0413f6ae176bb463
            • MD5 SHA1 SHA512

            3A91.tmp

            • Path C:\ProgramData\3A91.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP

            3A91.tmp

            • Path C:\ProgramData\3A91.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP

            3A91.tmp

            • Path \ProgramData\3A91.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP

            memory/1740-88-0x0000000000400000-0x0000000000407000-memory.dmp

            memory/1740-89-0x00000000021B5000-0x00000000021C6000-memory.dmp

            memory/1836-54-0x00000000754F1000-0x00000000754F3000-memory.dmp

            memory/1836-81-0x0000000002125000-0x0000000002136000-memory.dmp