Analysis
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max time kernel
675s -
max time network
760s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
24-08-2021 05:46
General
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Target
ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75.exe
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Size
546KB
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MD5
e4179bca5bf5b1fd51172d629f5521f8
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SHA1
488e532e55100da68eaeee30ba342cc05810e296
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SHA256
ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75
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SHA512
9370d3a2b8d118de6396909b0ca3c1e62e374020ddb0c8a94713f0b596391f20008797509abf300f2241327fe1bfa3338623a56b9be55bd013b6b56e26430035
Score
10/10
Malware Config
Extracted
Path
C:\odt\Restore-My-Files.txt
Family
lockbit
Ransom Note
All your important files are encrypted!
Any attempts to restore your files with the thrid-party software will be fatal for your files!
RESTORE YOU DATA POSIBLE ONLY BUYING private key from us.
There is only one way to get your files back:
| 1. Download Tor browser - https://www.torproject.org/ and install it.
| 2. Open link in TOR browser - http://lockbitks2tvnmwk.onion/?92727EE520AEBC7DA88DC7B625A8E061
This link only works in Tor Browser!
| 3. Follow the instructions on this page
### Attention! ###
# Do not rename encrypted files.
# Do not try to decrypt using third party software, it may cause permanent data loss.
# Decryption of your files with the help of third parties may cause increased price(they add their fee to our).
# Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN.
# Tor Browser user manual https://tb-manual.torproject.org/about
!!! We also download huge amount of your private data, including finance information, clients personal info, network diagrams, passwords and so on.
Don't forget about GDPR.
URLs
http://lockbitks2tvnmwk.onion/?92727EE520AEBC7DA88DC7B625A8E061
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
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Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 1 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 1 IoCs
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 50 IoCs
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Suspicious use of WriteProcessMemory 29 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75.exe"C:\Users\Admin\AppData\Local\Temp\ca57455fd148754bf443a2c8b06dc2a295f014b071e3990dd99916250d21bc75.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" & Del /f /q "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.7 -n 34⤵
- Runs ping.exe
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C:\Windows\SysWOW64\fsutil.exefsutil file setZeroData offset=0 length=524288 "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"4⤵
- Drops file in Windows directory
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/272-125-0x0000000000000000-mapping.dmp
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memory/1792-114-0x0000000002A70000-0x0000000002A71000-memory.dmpFilesize
4KB
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memory/3132-115-0x0000000000400000-0x000000000042A000-memory.dmpFilesize
168KB
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memory/3132-116-0x000000000041B160-mapping.dmp
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memory/3132-117-0x0000000000400000-0x000000000042A000-memory.dmpFilesize
168KB
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memory/4000-118-0x0000000000000000-mapping.dmp
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memory/4652-119-0x0000000000000000-mapping.dmp
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memory/4724-124-0x0000000000000000-mapping.dmp
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memory/4780-120-0x0000000000000000-mapping.dmp
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memory/4792-126-0x0000000000000000-mapping.dmp
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memory/4824-121-0x0000000000000000-mapping.dmp
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memory/4844-122-0x0000000000000000-mapping.dmp
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memory/4864-123-0x0000000000000000-mapping.dmp