Analysis
- max time kernel
148s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
25/09/2026, 02:24
General
- Target ryfiairtp.exe
- Size 158KB
- Sample260925-cvsngassdy
- SHA256 46a9f920cb9049c9be7bf3afba7ec13b0d0d170029363a115f429996822d4871
Malware Config
Extracted
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C:\C7fQZxjMC.README.txt
- ~~ 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: D3AFDF3E06518BF95A78A36AE6637ADC <<<<< >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> 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.
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http://lockbitapt67g6rwzjbcxnww5efpg4qok6vpfeth7wx3okj52ks4wtad.onion
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http://lockbitsuppyx2jegaoyiw44ica5vdho63m5ijjlmfb7omq3tfr3qhyd.onion
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http://lockbitfbinpwhbyomxkiqtwhwiyetrbkb4hnqmshaonqxmsrqwg7yad.onion
Signatures
- Renames multiple (133) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- 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
- Suspicious behavior: EnumeratesProcesses 10 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
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C:\Users\Admin\AppData\Local\Temp\ryfiairtp.exe"C:\Users\Admin\AppData\Local\Temp\ryfiairtp.exe"1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\313.tmp"C:\ProgramData\313.tmp"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\313.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Defense Evasion
Debugger Evasion
1Indicator Removal
1File Deletion
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
HHHHHHHHHHH
C7fQZxjMC.README.txt
313.tmp
DDDDDDDDDDD
memory/1668-294-0x000000007FDC0000-0x000000007FDC1000-memory.dmp
memory/1668-293-0x000000007FE20000-0x000000007FE21000-memory.dmp
memory/1668-292-0x00000000005B0000-0x00000000005C0000-memory.dmp
memory/1668-291-0x00000000005B0000-0x00000000005C0000-memory.dmp
memory/1668-290-0x000000007FE40000-0x000000007FE41000-memory.dmp
memory/1668-297-0x00000000005B0000-0x00000000005C0000-memory.dmp
memory/1668-296-0x00000000005B0000-0x00000000005C0000-memory.dmp
memory/1668-301-0x000000007FDE0000-0x000000007FDE1000-memory.dmp
memory/1668-302-0x000000007FE00000-0x000000007FE01000-memory.dmp
memory/5444-1-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/5444-2-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/5444-0-0x0000000002AC0000-0x0000000002AD0000-memory.dmp