Analysis Overview
SHA256
70c0f2d25b1d2eee2273fbd05ffa16e3cfe5880f9b2f66b66eed3029fd611a5b
Threat Level: Known bad
The file lockbit_v3_unpacked.7z.zip was found to be: Known bad.
Malicious Activity Summary
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit family
Lockbit
Executes dropped EXE
Deletes itself
Drops desktop.ini file(s)
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Sets desktop wallpaper using registry
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Modifies Control Panel
Enumerates system info in registry
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-11 06:47
Signatures
Lockbit family
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 06:47
Reported
2024-03-11 07:09
Platform
win11-20240221-en
Max time kernel
456s
Max time network
1179s
Command Line
Signatures
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.7z.zip
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-11 06:47
Reported
2024-03-11 07:09
Platform
win11-20240221-en
Max time kernel
447s
Max time network
1176s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1101742937-4171729779-750941522-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: 35 | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1956 wrote to memory of 984 | N/A | C:\Windows\system32\cmd.exe | C:\Program Files\7-Zip\7zFM.exe |
| PID 1956 wrote to memory of 984 | N/A | C:\Windows\system32\cmd.exe | C:\Program Files\7-Zip\7zFM.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.7z
C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.7z"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-03-11 06:47
Reported
2024-03-11 07:14
Platform
win11-20240221-en
Max time kernel
1073s
Max time network
1165s
Command Line
Signatures
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-3594324687-1993884830-4019639329-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-3594324687-1993884830-4019639329-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\spool\PRINTERS\PPq6_s13gp34g1rmt5a6zbiz2td.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\00002.SPL | C:\Windows\splwow64.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PP8ay07z8u4v9uzrihq0ak33b2b.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PP50_ayiktzwtbh2zpewoo_s_p.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\HLJkNskOq.bmp" | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\HLJkNskOq.bmp" | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\HLJkNskOq\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\HLJkNskOq | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\HLJkNskOq\DefaultIcon\ = "C:\\ProgramData\\HLJkNskOq.ico" | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.HLJkNskOq | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.HLJkNskOq\ = "HLJkNskOq" | C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
| N/A | N/A | C:\ProgramData\712A.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\lockbit_v3_unpacked.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
C:\Windows\system32\printfilterpipelinesvc.exe
C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{496A3F5F-231F-487B-8E67-CF7E42D2DADE}.xps" 133546136519790000
C:\ProgramData\712A.tmp
"C:\ProgramData\712A.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\712A.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
Files
memory/2164-0-0x0000000000400000-0x000000000042C000-memory.dmp
memory/2164-1-0x00000000026B0000-0x00000000026C0000-memory.dmp
memory/2164-2-0x00000000026B0000-0x00000000026C0000-memory.dmp
memory/2164-3-0x00000000026B0000-0x00000000026C0000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-3594324687-1993884830-4019639329-1000\WWWWWWWWWWW
| MD5 | bf33a25aa9bae2d44f80ca7e4111550b |
| SHA1 | a20b6c237142887c6ec321fb7208036faa358fc8 |
| SHA256 | 2a57d8271bfd7732a0a1d61f5f2ba4525dfde99559dabb8c6556895fe1fa543c |
| SHA512 | 36d3c8dca2c9d650c563ee1c42e47fda378fd965e4d713519f3fe7c92c8ba302a904e269904136d0ad492e2d046a5355bac232509c9100ade128bface2ce258d |
C:\HLJkNskOq.README.txt
| MD5 | 430f9428aaf3fdae565f0ba27d1c0b82 |
| SHA1 | 2260113c3908dc5d5bcb448676af78cc9ed2ac5f |
| SHA256 | 7feba4bdba663006f5e38be64304274c43e3968af00f80c9d394e5c0ca591d03 |
| SHA512 | 0481e5975d21d364654cf9bc0034b54277dff57a02743d061d04ba58736479739fa7b5c5b2294db908feffb1ae46bfebec26cdd2fcb6117b989cb18914d8b2d6 |
F:\$RECYCLE.BIN\S-1-5-21-3594324687-1993884830-4019639329-1000\DDDDDDDDDDD
| MD5 | 9a185ce96bd6abde9b4ccdafe108d570 |
| SHA1 | 2dce7e63bfbc604854aa97c8de8e9276d0cd5da7 |
| SHA256 | 49cc4519435e69ae92161418691511bb1cec9c2e79b4a91a12da08cac2af6996 |
| SHA512 | 80a4fe381e3693249940ad5620dedbff455411f01dac0fd2d74d1a0315ecfaf8f8409ab741ecdbacae531b04d5c64d791eec74a0df448485f0135b017580d964 |
C:\ProgramData\712A.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/4844-329-0x00007FFBD86D0000-0x00007FFBD86E0000-memory.dmp
memory/4844-342-0x00007FFBD86D0000-0x00007FFBD86E0000-memory.dmp
memory/4976-362-0x000000007FE70000-0x000000007FE71000-memory.dmp
memory/4976-364-0x0000000002640000-0x0000000002650000-memory.dmp
memory/4844-363-0x00007FFBD86D0000-0x00007FFBD86E0000-memory.dmp
memory/4976-365-0x000000007FE50000-0x000000007FE51000-memory.dmp
memory/4976-367-0x000000007FDF0000-0x000000007FDF1000-memory.dmp
memory/4844-369-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-368-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-366-0x00007FFBD86D0000-0x00007FFBD86E0000-memory.dmp
memory/4844-370-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-372-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-373-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-374-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-377-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-375-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-378-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4844-376-0x00007FFBD6390000-0x00007FFBD63A0000-memory.dmp
memory/4844-379-0x00007FFC16910000-0x00007FFC169CD000-memory.dmp
memory/4844-371-0x00007FFBD6390000-0x00007FFBD63A0000-memory.dmp
memory/4844-380-0x00007FFC16910000-0x00007FFC169CD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDD
| MD5 | c2e821cfc4e32c7e7287a1e4d1375ef5 |
| SHA1 | e5df20e4f508e98609535bb30e8fc788a1a2ba99 |
| SHA256 | 97c2157a7d010bdd3047a1d16370036153b3561a1a9fd26cffff8bf648160056 |
| SHA512 | f772c48df73593d080e9bbdd2ca59764842b6521866e4caf7dfffe4be8237c2d6d847ec79fd7c869cad9bceb758476d11ad7f4c5961fbbe4c5df9e09e799137a |
memory/2164-331-0x0000000000400000-0x000000000042C000-memory.dmp
memory/4844-330-0x00007FFBD86D0000-0x00007FFBD86E0000-memory.dmp
C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
| MD5 | 0505f0f3795093e3712b8960dc506386 |
| SHA1 | eb53fc402658f36e25d51baf184ec08b5075d326 |
| SHA256 | 776424f207635d0a11d54347d238d4b824e9af4ca8c975e8a94d4f8c55dcf001 |
| SHA512 | 47a23a1d41075e890f66573e563e1ec13cd44e61eada6bdc90d806fc433d581d69ab3c661aa2758324259735cc4879906208afbeae2bef9a58a1dd3477693304 |
memory/4976-396-0x0000000002640000-0x0000000002650000-memory.dmp
memory/4844-397-0x00007FFC18640000-0x00007FFC18849000-memory.dmp
memory/4976-400-0x000000007FE10000-0x000000007FE11000-memory.dmp
memory/4976-401-0x000000007FE30000-0x000000007FE31000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\{D348E0AF-EC6B-4E77-8514-EF23AD500FFB}
| MD5 | b5b9370c655c3333c4859ba6c7c57bdf |
| SHA1 | 7f9eb4dcd8c807bb63dc8ef7cf7abd188ccc2632 |
| SHA256 | 70647e78f46c4ef030d555dd0efca21068b565d8c13c1d0af29ad8c22a303515 |
| SHA512 | 9cb8d950a96af35b495f0d5937d039bfe6c8619b8ff060f014fd0ec662df86a2b5abb5f9cc785e045ea2dcb82a8f9e0ae5d0a3ef48ee9030b725e8143c0f1f91 |