Analysis Overview
SHA256
32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b
Threat Level: Known bad
The file 32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b was found to be: Known bad.
Malicious Activity Summary
Maze
Deletes shadow copies
Modifies extensions of user files
Drops startup file
Reads user/profile data of web browsers
Sets desktop wallpaper using registry
Drops file in Program Files directory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-16 23:06
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-16 23:06
Reported
2022-02-16 23:12
Platform
win10v2004-en-20220113
Max time kernel
159s
Max time network
179s
Command Line
Signatures
Maze
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\CheckpointJoin.tiff | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CheckpointJoin.tiff => C:\Users\Admin\Pictures\CheckpointJoin.tiff.io2SGVj | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ExportFormat.png => C:\Users\Admin\Pictures\ExportFormat.png.897T | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\StartWait.raw => C:\Users\Admin\Pictures\StartWait.raw.nhEc6XZ | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6c2b0cc88cfdc05e.tmp | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\6c2b0cc88cfdc05e.tmp | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Reads user/profile data of web browsers
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Drops file in Program Files directory
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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: SeIncreaseQuotaPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 660 wrote to memory of 1788 | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 660 wrote to memory of 1788 | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | C:\Windows\system32\wbem\wmic.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe
"C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\gfirj\..\Windows\iauer\..\system32\dx\ui\..\..\wbem\qhfb\rk\..\..\wmic.exe" shadowcopy delete
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 13.107.4.50:80 | tcp | |
| US | 13.107.4.50:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| US | 20.189.173.15:443 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.25:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.25:80 | tcp | |
| RU | 91.218.114.11:80 | tcp |
Files
memory/660-130-0x00000000011B6000-0x0000000001232000-memory.dmp
memory/660-131-0x00000000011B6000-0x0000000001232000-memory.dmp
memory/660-132-0x0000000000970000-0x00000000009CE000-memory.dmp
memory/660-136-0x0000000000971000-0x00000000009AA000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-16 23:06
Reported
2022-02-16 23:12
Platform
win7-en-20211208
Max time kernel
158s
Max time network
182s
Command Line
Signatures
Maze
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\InvokeUnblock.tif => C:\Users\Admin\Pictures\InvokeUnblock.tif.cpNH | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RevokeEnter.tif => C:\Users\Admin\Pictures\RevokeEnter.tif.eDY5E | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6d570cc825b41879.tmp | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Reads user/profile data of web browsers
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\\\\000.bmp" | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Drops file in Program Files directory
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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: SeIncreaseQuotaPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\system32\wbem\wmic.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1096 wrote to memory of 1400 | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1096 wrote to memory of 1400 | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1096 wrote to memory of 1400 | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1096 wrote to memory of 1400 | N/A | C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe | C:\Windows\system32\wbem\wmic.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe
"C:\Users\Admin\AppData\Local\Temp\32736237e94a8321b4b03ba56485dff8b438cb232f2ff57c9c045f5cc7b5dc2b.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\trpyn\dbvd\..\..\Windows\quuo\mg\..\..\system32\s\qms\..\..\wbem\nsm\jctin\q\..\..\..\wmic.exe" shadowcopy delete
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{3F6B5E16-092A-41ED-930B-0B4125D91D4E}
Network
| Country | Destination | Domain | Proto |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.25:80 | tcp | |
| RU | 91.218.114.25:80 | tcp |
Files
memory/1096-54-0x00000000009DE000-0x0000000000A5A000-memory.dmp
memory/1096-55-0x0000000076121000-0x0000000076123000-memory.dmp
memory/1096-56-0x0000000000080000-0x00000000000DE000-memory.dmp
memory/1096-60-0x00000000009DE000-0x0000000000A5A000-memory.dmp
memory/1096-61-0x0000000000081000-0x00000000000BA000-memory.dmp