Resubmissions

27/10/2026, 01:20

261027-bp25aaxv9n10

27/10/2026, 01:03

261027-bentxazzcs10

15/09/2026, 06:58

260915-hrlcwashqf10

Analysis

  • max time kernel
    373s
  • max time network
    342s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-es
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-eslocale:es-esos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 01:03

General

  • Target
    48b0a4505a96a640300e43e2af712276.exe
  • Size 158KB
  • Sample261027-bentxazzcs
  • SHA256 9dc03bf850b41f93331ddca0fb401d2ce08fba97ebde53b675c611583f892a80
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • F:\cAt2crbfu.README.txt

Ransom Note
  • ~~ You have been attacked by LockBit 5.0 - the fastest, most stable and immortal ransomware since 2019 ~~~~ >>>>> You must pay us. Tor Browser link where the stolen infortmation will be published: http://lockbitapt67g6rwzjbcxnww5efpg4qok6vpfeth7wx3okj52ks4wtad.onion >>>>> What is the guarantee that we won't scam you? We are the oldest extortion gang on the planet and nothing is more important to us than our reputation. We are not a politically motivated group and want nothing but financial rewards for our work. If we defraud even one client, other clients will not pay us. In 5 years, not a single client has been left dissatisfied after making a deal with us. If you pay the ransom, we will fulfill all the terms we agreed upon during the negotiation process. Treat this situation simply as a paid training session for your system administrators, because it was the misconfiguration of your corporate network that allowed us to attack you. Our pentesting services should be paid for the same way you pay your system administrators' salaries. You can get more information about us on wikipedia https://en.wikipedia.org/wiki/LockBit >>>>> Warning! Do not delete or modify encrypted files, it will lead to irreversible problems with decryption of files! >>>>> Don't go to the police or the FBI for help and don't tell anyone that we attacked you. They will forbid you from paying the ransom and will not help you in any way, you will be left with encrypted files and your business will die. >>>>> When buying bitcoin, do not tell anyone the true purpose of the purchase. Some brokers, especially in the US, do not allow you to buy bitcoin to pay ransom. Communicate any other reason for the purchase, such as: personal investment in cryptocurrency, bitcoin as a gift, paying to buy assets for your business using bitcoin, cryptocurrency payment for consulting services, cryptocurrency payment for any other services, cryptocurrency donations, cryptocurrency donations for Donald Trump to win the election, buying bitcoin to participate in ICO and buy other cryptocurrencies, buying cryptocurrencies to leave an inheritance for your children, or any other purpose for buying cryptocurrency. Also you can use adequate cryptocurrency brokers who do not ask questions for what you buy cryptocurrency. >>>>> After buying cryptocurrency from a broker, store the cryptocurrency on a cold wallet, such as https://electrum.org/ or any other cold cryptocurrency wallet, more details on https://bitcoin.org By paying the ransom from your personal cold cryptocurrency wallet, you will avoid any problems from regulators, police and brokers. >>>>> Don't be afraid of any legal consequences, you were very scared, that's why you followed all our instructions, it's not your fault if you are very scared. Not a single company that paid us has had issues. Any excuses are just for insurance company to not pay on their obligation. >>>>> You need to contact us via TOR sites with your personal ID Download and install Tor Browser https://www.torproject.org/ Write to the chat room and wait for an answer, we'll guarantee a response from us. If you need a unique ID for correspondence with us that no one will know about, ask it in the chat, we will generate a secret chat for you and give you ID via private one-time memos service, no one can find out this ID but you. Sometimes you will have to wait some time for our reply, this is because we have a lot of work and we attack hundreds of companies around the world. Tor Browser link for chat with us: http://lockbitsuppyx2jegaoyiw44ica5vdho63m5ijjlmfb7omq3tfr3qhyd.onion >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Your personal identifier to communicate with us ID: 7E363F262150642A3EF8D61E59E42D94 <<<<< >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Advertising: Want a lamborghini, a ferrari and lots of titty girls? Sign up and start your pentester billionaire journey in 5 minutes with us. http://lockbitfbinpwhbyomxkiqtwhwiyetrbkb4hnqmshaonqxmsrqwg7yad.onion After registration, you will receive the most flawless and reliable tools for encrypting almost all operating systems on the planet and a platform for negotiating with attacked companies.
URLs
  • http://lockbitapt67g6rwzjbcxnww5efpg4qok6vpfeth7wx3okj52ks4wtad.onion

  • http://lockbitsuppyx2jegaoyiw44ica5vdho63m5ijjlmfb7omq3tfr3qhyd.onion

  • http://lockbitfbinpwhbyomxkiqtwhwiyetrbkb4hnqmshaonqxmsrqwg7yad.onion

Signatures

  • Renames multiple (133) files with added filename extension

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

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: File Deletion 1 TTPs

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

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\48b0a4505a96a640300e43e2af712276.exe
    "C:\Users\Admin\AppData\Local\Temp\48b0a4505a96a640300e43e2af712276.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Reads the TCP/IP host and domain name from the 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:3244
    • C:\ProgramData\7B7.tmp
      "C:\ProgramData\7B7.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\7B7.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3744
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1164
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3844

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini

          • Path C:\$Recycle.Bin\S-1-5-21-560646293-820748483-2532804640-1000\desktop.ini
          • Size 129B
          • SHA256 03a96bbf445a61db7fa87269bbbfb44af0d84171af7f6adfb712424d4d670afb
          • MD5 SHA1 SHA512 TLSH

          7B7.tmp

          • Path C:\ProgramData\7B7.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

          • Path C:\Users\Admin\AppData\Local\Temp\BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
          • Size 158KB
          • SHA256 4123334d9c591bafe5409ea9a85ad485aa72c6326b6d430a1c2d63374e409e1e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ApproveRemove.rmi.cAt2crbfu

          • Path C:\Users\Admin\Downloads\ApproveRemove.rmi.cAt2crbfu
          • Size 384KB
          • SHA256 5264732fa4f34601550ad3443edfd5be816acb0d38ad0b40805d3230bbd90866
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BlockExpand.TS.cAt2crbfu

          • Path C:\Users\Admin\Downloads\BlockExpand.TS.cAt2crbfu
          • Size 310KB
          • SHA256 86c98d0304bd3f67f1fd532b7c36a5723e8cee03a07582ce3acc7e861d77a11c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CheckpointPing.au.cAt2crbfu

          • Path C:\Users\Admin\Downloads\CheckpointPing.au.cAt2crbfu
          • Size 595KB
          • SHA256 ea359f25b0d5c35e6993a722a98d59743fee0f8bb1a629c84d40a2bc4488e390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BBBBBBBBBBB

          • Path F:\$RECYCLE.BIN\S-1-5-21-560646293-820748483-2532804640-1000\BBBBBBBBBBB
          • Size 129B
          • SHA256 b07a5264958245212ec5a9184b55360d7526fb1a2c22d6205ccdad0ce5dfde5a
          • MD5 SHA1 SHA512 TLSH

          cAt2crbfu.README.txt

          • Path F:\cAt2crbfu.README.txt
          • Size 4KB
          • SHA256 3e3cf833a34c9c35a34f05273e533ce70920d9db882ff1bca7f834ab2ddf56d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2128-448-0x000000007FE90000-0x000000007FE91000-memory.dmp

          memory/2128-451-0x000000007FE10000-0x000000007FE11000-memory.dmp

          memory/2128-450-0x000000007FE70000-0x000000007FE71000-memory.dmp

          memory/2128-449-0x00000000025F0000-0x0000000002600000-memory.dmp

          memory/2128-505-0x00000000025F0000-0x0000000002600000-memory.dmp

          memory/2128-509-0x000000007FE30000-0x000000007FE31000-memory.dmp

          memory/2128-510-0x000000007FE50000-0x000000007FE51000-memory.dmp

          memory/3244-2-0x0000000001190000-0x00000000011A0000-memory.dmp

          memory/3244-0-0x0000000001190000-0x00000000011A0000-memory.dmp

          memory/3244-1-0x0000000001190000-0x00000000011A0000-memory.dmp