Analysis Overview
SHA256
04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e
Threat Level: Known bad
The file 04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e 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 Windows directory
Drops file in Program Files directory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-16 23:13
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-16 23:13
Reported
2022-02-16 23:22
Platform
win7-en-20211208
Max time kernel
168s
Max time network
175s
Command Line
Signatures
Maze
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\RepairEdit.tiff | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RepairEdit.tiff => C:\Users\Admin\Pictures\RepairEdit.tiff.mabJ9hx | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RestoreSwitch.png => C:\Users\Admin\Pictures\RestoreSwitch.png.mabJ9hx | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\StopSync.crw => C:\Users\Admin\Pictures\StopSync.crw.mabJ9hx | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\TestPing.tiff | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\TestPing.tiff => C:\Users\Admin\Pictures\TestPing.tiff.SFt7lQ6 | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\PingShow.png => C:\Users\Admin\Pictures\PingShow.png.PxlN0X | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.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\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\892e099ca81afa11.tmp | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.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\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.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\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.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 832 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 832 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 832 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 832 wrote to memory of 1528 | N/A | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | C:\Windows\system32\wbem\wmic.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe
"C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\kl\du\uy\..\..\..\Windows\tvc\deg\wd\..\..\..\system32\wlh\..\wbem\eewx\..\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 | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.11:80 | tcp |
Files
memory/832-54-0x0000000075891000-0x0000000075893000-memory.dmp
memory/832-56-0x0000000002131000-0x0000000002135000-memory.dmp
memory/832-57-0x0000000000400000-0x000000000045D000-memory.dmp
memory/832-58-0x0000000000400000-0x00000000006AB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-16 23:13
Reported
2022-02-16 23:22
Platform
win10v2004-en-20220113
Max time kernel
184s
Max time network
197s
Command Line
Signatures
Maze
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\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8802099c16c7c49d.tmp | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8802099c16c7c49d.tmp | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\WindowsUpdate.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.edb | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\SoftwareDistribution\ReportingEvents.log | C:\Windows\system32\svchost.exe | N/A |
| File opened for modification | C:\Windows\Logs\CBS\CBS.log | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe
"C:\Users\Admin\AppData\Local\Temp\04e22ab46a8d5dc5fea6c41ea6fdc913b793a4e33df8f0bc1868b72b180c0e6e.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.133:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.11:80 | tcp |
Files
memory/2104-131-0x0000000002AB0000-0x0000000002AB3000-memory.dmp
memory/2104-133-0x0000000000400000-0x00000000006AB000-memory.dmp
memory/2104-132-0x0000000000400000-0x000000000045D000-memory.dmp
memory/4192-135-0x00000163DD560000-0x00000163DD570000-memory.dmp
memory/4192-136-0x00000163DDB20000-0x00000163DDB30000-memory.dmp
memory/4192-137-0x00000163E01B0000-0x00000163E01B4000-memory.dmp