Analysis Overview
SHA256
251297b055aa4decdab1a1d8e14ea1331bcbe00974515a647f55b0e0c23e29f5
Threat Level: Known bad
The file 2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit was found to be: Known bad.
Malicious Activity Summary
Lockbit
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit family
Renames multiple (548) files with added filename extension
Renames multiple (658) files with added filename extension
Deletes itself
Reads user/profile data of web browsers
Checks computer location settings
Executes dropped EXE
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Suspicious use of NtSetInformationThreadHideFromDebugger
Sets desktop wallpaper using registry
Drops file in System32 directory
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Modifies Control Panel
Enumerates system info in registry
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-04-17 14:47
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
2025-04-17 14:47
Reported
2025-04-17 14:50
Platform
win10v2004-20250410-en
Max time kernel
102s
Max time network
129s
Command Line
Signatures
Lockbit
Lockbit family
Renames multiple (658) files with added filename extension
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\International\Geo\Nation | C:\ProgramData\9D89.tmp | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-3630502724-2561614198-3854231964-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-3630502724-2561614198-3854231964-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\spool\PRINTERS\00002.SPL | C:\Windows\splwow64.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPjfs4_t5sqdhhgevmx8u7adaae.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PP01l6g33w49bibyqjv4b8frgic.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPwd43zaoi3z6sv2l8yd7gl31kd.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ryNlsace9.bmp" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ryNlsace9.bmp" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\9D89.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
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 opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| 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 |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3630502724-2561614198-3854231964-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.ryNlsace9 | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.ryNlsace9\ = "ryNlsace9" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ryNlsace9\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ryNlsace9 | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\ryNlsace9\DefaultIcon\ = "C:\\ProgramData\\ryNlsace9.ico" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
| N/A | N/A | C:\ProgramData\9D89.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.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\{9F145DB6-A5A7-44F5-B55F-0BAA80895658}.xps" 133893748731780000
C:\ProgramData\9D89.tmp
"C:\ProgramData\9D89.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\9D89.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| NL | 173.194.69.94:80 | c.pki.goog | tcp |
Files
memory/5224-2-0x0000000002F10000-0x0000000002F20000-memory.dmp
memory/5224-0-0x0000000002F10000-0x0000000002F20000-memory.dmp
memory/5224-1-0x0000000002F10000-0x0000000002F20000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-3630502724-2561614198-3854231964-1000\XXXXXXXXXXX
| MD5 | 051096a23fdb1707a1d0b9c92785fb2c |
| SHA1 | 949a6662a25d39374a8ac67ef6090072ff1fb166 |
| SHA256 | 6f9f2af44823ec5925dca50e63059bf25cd0672f2e95720b8ffc5ffa234c4b13 |
| SHA512 | 7eb243228acf0c155d4eb23ca2002138da53437052a0051b5289ddd1c461e79a6b964cd02c3ef4c10c596a19fb73d477a7a2ce10e60e76692507b15a0a31e72f |
F:\$RECYCLE.BIN\S-1-5-21-3630502724-2561614198-3854231964-1000\DDDDDDDDDDD
| MD5 | 91c2e2be400927cee551af06daf4468b |
| SHA1 | 321b3374210488d8b5d4d9bb3945ee92e4fc071a |
| SHA256 | f9ee1977aff913b3d206d0c39f856e918997d201066d637e82795fb365a55cf1 |
| SHA512 | fba11dc92437a3d8a1a49863873038992d3f693e57c37fe90296666c236756cb44139f19bb93cd72acb60758159bc8b60d21adadfa0792333a668ef1b78eedf8 |
C:\ryNlsace9.README.txt
| MD5 | dd746ace17e44ace00885b91400f11d5 |
| SHA1 | 4a0302d2dca400598f396e4230fdae71779cbeaa |
| SHA256 | b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272 |
| SHA512 | 8ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1 |
memory/5224-3322-0x0000000002F10000-0x0000000002F20000-memory.dmp
memory/5224-3323-0x0000000002F10000-0x0000000002F20000-memory.dmp
memory/5224-3324-0x0000000002F10000-0x0000000002F20000-memory.dmp
C:\ProgramData\9D89.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/5844-3340-0x00007FF9A4690000-0x00007FF9A46A0000-memory.dmp
memory/5844-3341-0x00007FF9A4690000-0x00007FF9A46A0000-memory.dmp
memory/5844-3342-0x00007FF9A4690000-0x00007FF9A46A0000-memory.dmp
memory/5844-3343-0x00007FF9A4690000-0x00007FF9A46A0000-memory.dmp
memory/5844-3344-0x00007FF9A4690000-0x00007FF9A46A0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
| MD5 | 62489e28ed9bc4742b7411e7790a044b |
| SHA1 | 64107ac0d45aafac5d3f4c46db3c31228641efd5 |
| SHA256 | 2aab64f0533ef955108b7567207b710e10783a1061f2eda8c2869a609ff583ca |
| SHA512 | 7c8d11806ae0e49b69fe1ec98f4640d051fc975907d8572679773fd8c39070da84a38ed5c4a7957e42af980cee44832ed4d0aa2de17bbbab742d83a3b048e50b |
memory/5844-3373-0x00007FF9A1EE0000-0x00007FF9A1EF0000-memory.dmp
memory/5844-3374-0x00007FF9A1EE0000-0x00007FF9A1EF0000-memory.dmp
C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
| MD5 | 8b9e81755b0f9a83a780f78502cf7446 |
| SHA1 | 0dd71ae0ca2fde9126f2fdf2c1f1809eddf5f430 |
| SHA256 | 22964987df3bca416bb9b712fff85dc1b49f06b68d36e2c559eb973f59366e5e |
| SHA512 | 524287a4fa2b18cd0ce05d1f7f17a399acc96e8887daec85056f26f9d4853a9779910f5c7e1e8f38aabc9613ff38827b38a0c8652afb14eb17919d8b80995a59 |
Analysis: behavioral2
Detonation Overview
Submitted
2025-04-17 14:47
Reported
2025-04-17 14:50
Platform
win11-20250410-en
Max time kernel
147s
Max time network
147s
Command Line
Signatures
Lockbit
Lockbit family
Renames multiple (548) files with added filename extension
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
Reads user/profile data of web browsers
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-2211465213-323295031-1970282057-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-2211465213-323295031-1970282057-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Indicator Removal: File Deletion
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\spool\PRINTERS\00002.SPL | C:\Windows\splwow64.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPmjeo7e92cxwelcqs74v64yl9c.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPdczbfc057r1s2slz0yjmx1dy.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
| File created | C:\Windows\system32\spool\PRINTERS\PPlf8xo3fwy6ngrch0h0d19093c.TMP | C:\Windows\system32\printfilterpipelinesvc.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2211465213-323295031-1970282057-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ryNlsace9.bmp" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2211465213-323295031-1970282057-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ryNlsace9.bmp" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\D8CD.tmp | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| 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 |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
| 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 |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2211465213-323295031-1970282057-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2211465213-323295031-1970282057-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.ryNlsace9 | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.ryNlsace9\ = "ryNlsace9" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ryNlsace9\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\ryNlsace9 | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\ryNlsace9\DefaultIcon\ = "C:\\ProgramData\\ryNlsace9.ico" | C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
| N/A | N/A | C:\ProgramData\D8CD.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| N/A | N/A | C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-17_a40bbbdc17f188eb906dc09cb0556bc6_darkside_elex_lockbit.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\{396F802C-5AD0-42F4-AC6D-341F303C780F}.xps" 133893748696820000
C:\ProgramData\D8CD.tmp
"C:\ProgramData\D8CD.tmp"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D8CD.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| NL | 173.194.69.94:80 | c.pki.goog | tcp |
| US | 52.111.229.48:443 | tcp |
Files
memory/1072-2-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/1072-1-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/1072-0-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-2211465213-323295031-1970282057-1000\DDDDDDDDDDD
| MD5 | 5b29f8f875e5884cd50d2b0d78e11a4a |
| SHA1 | 506306954d75d9b10f3c0ed540ac1f5788f6f01a |
| SHA256 | 32ce674fb8b8783dc0dce03d5275bdc8d55fc1028a343be1783dc692e8cfa9f2 |
| SHA512 | 9cccdd2f9af11b889a9ae1cc403ab4ab558e0013f3bf88a92d7486cf7ff08cc35590035e692ba87898ee6d5426bd00fc28e72ac048f79d2708a28318b50b59f6 |
C:\ryNlsace9.README.txt
| MD5 | dd746ace17e44ace00885b91400f11d5 |
| SHA1 | 4a0302d2dca400598f396e4230fdae71779cbeaa |
| SHA256 | b27c3c8a30faf7c76483b7e5d964ae85046a9713caa46508ee7a1e31b7dc6272 |
| SHA512 | 8ac26aa7262fdf1afdc74e604720a79ebde076c75f460d7d5f57ff4d81dedb1ad471eb114ddd428c1934029746f5c222339090680bc77a6ea09ce329e1da3ef1 |
F:\$RECYCLE.BIN\S-1-5-21-2211465213-323295031-1970282057-1000\DDDDDDDDDDD
| MD5 | 8cfa0036ead078efeaa13af7a1a9b251 |
| SHA1 | 174c40b4ecd2aa0a00407d52238d6642817cd53d |
| SHA256 | 0637028e1c7e55ea425b8fb01346ce7641f728dbd148ed5374f635dd4bb055eb |
| SHA512 | f5e89b522e18bc37e2b25e263eb1006474cd3bb2c7ebbabc483147ab7dbe508f4e59c67a9096d93e14278df47f39610d8f3096719b09159757c7edefbe7530ed |
memory/1072-3694-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/1072-3695-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
memory/1072-3696-0x0000000002ED0000-0x0000000002EE0000-memory.dmp
C:\ProgramData\D8CD.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/5668-3712-0x00007FFA1BB90000-0x00007FFA1BBA0000-memory.dmp
memory/5668-3713-0x00007FFA1BB90000-0x00007FFA1BBA0000-memory.dmp
memory/5668-3715-0x00007FFA1BB90000-0x00007FFA1BBA0000-memory.dmp
memory/5668-3714-0x00007FFA1BB90000-0x00007FFA1BBA0000-memory.dmp
memory/5668-3716-0x00007FFA1BB90000-0x00007FFA1BBA0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
| MD5 | 6b151a0e40b16192f71111a1955f6cd8 |
| SHA1 | eae40d710c7a3380cbe139932ddceafed15cfb28 |
| SHA256 | 6c600da172ca81b4de3465b49567a8418ae39e4f95a716b6c71ba7ad1e9453f3 |
| SHA512 | 8fa184db60c31ff3ddb8dc59d3f49cf51a808df30de1ae896fc2f78b6bbd1ef34bb6023f466d5646c91ed28adb0be354221dd67d62e7a08746b0e2925da9a1c1 |
memory/5668-3745-0x00007FFA19500000-0x00007FFA19510000-memory.dmp
memory/5668-3746-0x00007FFA19500000-0x00007FFA19510000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\{59331D9A-B34B-4B38-8F0F-F72F95C89635}
| MD5 | aa80b83ca13191f59e4379bdfdabf870 |
| SHA1 | 2695fd07e872a2bc2c424d6c2f0036a45ce3995f |
| SHA256 | 65586998772015a6c80d882928b5a4c1bfcc6da64f1b11324eeb34a4433645bc |
| SHA512 | 8b43d74a200fd98581d2275bdac1cccad77955dbe98abb0e42f114148d6ee6de61be6346894aa0f5f57f6142405437f653068058ed50c9f9942558b2447fc345 |
C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
| MD5 | 2c0c4cba3d513ad56149bd5d25e7b922 |
| SHA1 | 4f15bf945f1ab5c6d8901a58f158eab9fa4641c8 |
| SHA256 | 01ebc0fa30c3f90486be974b2037eaa5756aa79b5cc992ab74b290990c09d343 |
| SHA512 | 85676df3778a234acd1edd182e433e9d7ab474338d901781e7b81e4917d7ba361692693c304b57aa29fdab39f18eca87764e3365ea139f262b9832aedc64a24a |