Analysis Overview
SHA256
36aae3ba1a6fd78e040bba4522f6c15d5a3627ae78b27ff6879ee64d038445a4
Threat Level: Known bad
The file 2024-03-12_75e3d908fdddee413481dba88258783b_darkside was found to be: Known bad.
Malicious Activity Summary
Rule to detect Lockbit 3.0 ransomware Windows payload
Lockbit family
Renames multiple (151) files with added filename extension
Renames multiple (158) files with added filename extension
Deletes itself
Loads dropped DLL
Executes dropped EXE
Drops desktop.ini file(s)
Suspicious use of NtSetInformationThreadHideFromDebugger
Sets desktop wallpaper using registry
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry class
Modifies Control Panel
Uses Volume Shadow Copy service COM API
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-12 21:32
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
2024-03-12 21:32
Reported
2024-03-12 21:35
Platform
win7-20240221-en
Max time kernel
122s
Max time network
125s
Command Line
Signatures
Renames multiple (151) files with added filename extension
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-406356229-2805545415-1236085040-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-406356229-2805545415-1236085040-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\O957g99QW.bmp" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\O957g99QW.bmp" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\O957g99QW | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\O957g99QW\DefaultIcon\ = "C:\\ProgramData\\O957g99QW.ico" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.O957g99QW | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.O957g99QW\ = "O957g99QW" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\O957g99QW\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
| N/A | N/A | C:\ProgramData\9EBF.tmp | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | C:\ProgramData\9EBF.tmp |
| PID 2240 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | C:\ProgramData\9EBF.tmp |
| PID 2240 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | C:\ProgramData\9EBF.tmp |
| PID 2240 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | C:\ProgramData\9EBF.tmp |
| PID 2240 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | C:\ProgramData\9EBF.tmp |
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\ProgramData\9EBF.tmp
"C:\ProgramData\9EBF.tmp"
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x154
Network
Files
memory/2240-0-0x0000000000190000-0x00000000001D0000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-406356229-2805545415-1236085040-1000\desktop.ini
| MD5 | 9c04e553575018ae615dddd15f1bbe8a |
| SHA1 | 9def192f4fa5f90e86d71187edc7815fbadafd20 |
| SHA256 | b6bd31ebfc75e1dd462473ceaeef656a96091221dd329490a01bf5e5c334b269 |
| SHA512 | 7ae4bab7220be7a5cf801208aa255973b033a836f52287ca4684394ec885ea7302532d8e72aff661030357ffb8d11593983c9a9028004daeafcc1cf98c105056 |
F:\$RECYCLE.BIN\S-1-5-21-406356229-2805545415-1236085040-1000\DDDDDDDDDDD
| MD5 | de0d52ff91f8a6f734a1a683ac79685d |
| SHA1 | dcac846caa9edf0814095c32bee6d762443209aa |
| SHA256 | c2f45a45951d0273411c7ed8b29199ac99ecc9d52d3c326cb5e6bb2e06285e3c |
| SHA512 | 666f18f2fa665604f468a55c42eb89051c1281f750e88e37adc2b5fd5317a2fdfb2ee1018529fbfcd1da1f7faa882e5ee97ecda396fe0e43c29e98dcfbef4d7e |
C:\Users\O957g99QW.README.txt
| MD5 | b88940fa8bf0e2daabc9f245797260de |
| SHA1 | 42f08e7f1e7fab894c6e0be39f0f2da80614a41e |
| SHA256 | 34e4e1ec8181985e204eae174c8dffb710de4bdc2e66f1dc38008702a573fdfa |
| SHA512 | 70268fd05b6b226c359159ecde017928a33573f344723a2f1aa259e10becac284968a1e00ccb8944cccc53f10e872a385d887bc2b64506d2defa58ef301c2257 |
\ProgramData\9EBF.tmp
| MD5 | 294e9f64cb1642dd89229fff0592856b |
| SHA1 | 97b148c27f3da29ba7b18d6aee8a0db9102f47c9 |
| SHA256 | 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2 |
| SHA512 | b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf |
memory/2572-282-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
memory/2572-284-0x000000007EF80000-0x000000007EF81000-memory.dmp
memory/2572-283-0x00000000020E0000-0x0000000002120000-memory.dmp
memory/2572-287-0x000000007EF20000-0x000000007EF21000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
| MD5 | 7344144987c0656a8f498f807a9e3183 |
| SHA1 | daa26387cb547c9dc3a2e5e3c44130ce3ec42d57 |
| SHA256 | 21bbffcc29e11c2f1d71911436ab02480a370922f7bf4cb655bb8be03277dae6 |
| SHA512 | ba48df7a84847b9a62751e5c1a9c3d4e8cd0191d17aa0c940bb614769394d788ded93e68b8e3daef78e8b821ea9e6745c5b792da62078cfc83e9ef31a839f204 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-12 21:32
Reported
2024-03-12 21:35
Platform
win10v2004-20240226-en
Max time kernel
154s
Max time network
157s
Command Line
Signatures
Renames multiple (158) files with added filename extension
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\$Recycle.Bin\S-1-5-21-609813121-2907144057-1731107329-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| File opened for modification | F:\$RECYCLE.BIN\S-1-5-21-609813121-2907144057-1731107329-1000\desktop.ini | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\O957g99QW | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\O957g99QW\DefaultIcon\ = "C:\\ProgramData\\O957g99QW.ico" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.O957g99QW | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.O957g99QW\ = "O957g99QW" | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\O957g99QW\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_75e3d908fdddee413481dba88258783b_darkside.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.233.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.73.50.20.in-addr.arpa | udp |
Files
memory/1616-0-0x0000000001320000-0x0000000001330000-memory.dmp
memory/1616-1-0x0000000001320000-0x0000000001330000-memory.dmp
memory/1616-2-0x0000000001320000-0x0000000001330000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-609813121-2907144057-1731107329-1000\AAAAAAAAAAA
| MD5 | 0e5c609d490e26b9bf84e52b2e025c51 |
| SHA1 | 957153d4df570dadbad1e64f69405a0d3d5580e2 |
| SHA256 | b3a551d6c36609ff7282e8f64995308d4e060e26a4f72c423e94fa917534f6b8 |
| SHA512 | ae08f29c4775fd94587c384304f2f84b27b577633674a267e8057c1045fbca75e23c23893dea79b734ae7d7ec16693828d8ef152c706724b9bb2b21115bba006 |
F:\$RECYCLE.BIN\S-1-5-21-609813121-2907144057-1731107329-1000\DDDDDDDDDDD
| MD5 | cfde14dd4ee675d35cd60385fbb32fab |
| SHA1 | c2fcd7d3d0592ab548b2f84eb3920da58f7c1d81 |
| SHA256 | b14774db4944af0294a80fa83095271f10544649c74a668fe6f5dcc436a42d1a |
| SHA512 | d16da60fcdd94dab8c96584e90f7136172f1f04b5805b0f5d05706728c91f02e248b720a46ab71bbcd1b0c43f2669a1459847860ab3086d65d506064f6ca56c1 |
C:\Users\O957g99QW.README.txt
| MD5 | 1d359e2243649cb97fc92ab9b6f02321 |
| SHA1 | 909542af4d62c800be87dd40fd67f17c6167cd9a |
| SHA256 | 0ca2802f2b7dc5c1678bffdd140368380f7c42cd6ed9df079adcdb2dbd1666b4 |
| SHA512 | c3d4fc76f45f37ddc7c071ba6bb86f8ed8c3d8449bb5371a2bfc807d408a1947d745b281c08c65ab246a7da70a3f31cb2c60a29a31577344e14be89d694f04fb |
memory/1616-310-0x0000000001320000-0x0000000001330000-memory.dmp
memory/1616-311-0x0000000001320000-0x0000000001330000-memory.dmp
memory/1616-312-0x0000000001320000-0x0000000001330000-memory.dmp