Analysis Overview
SHA256
195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9
Threat Level: Known bad
The file 195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9 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
Drops file in Windows 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 23:09
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-16 23:09
Reported
2022-02-16 23:16
Platform
win7-en-20211208
Max time kernel
164s
Max time network
183s
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.PZuS9H | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RevokeEnter.tif => C:\Users\Admin\Pictures\RevokeEnter.tif.VLB2l1 | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.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\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\892e099c398b21b2.tmp | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.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\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.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\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.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 1936 | N/A | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1096 wrote to memory of 1936 | N/A | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1096 wrote to memory of 1936 | N/A | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1096 wrote to memory of 1936 | N/A | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | C:\Windows\system32\wbem\wmic.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe
"C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\iaj\..\Windows\smvo\djqsk\wcrw\..\..\..\system32\tcwe\f\gdbs\..\..\..\wbem\d\ol\vca\..\..\..\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 | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.25:80 | tcp |
Files
memory/1096-54-0x00000000004C0000-0x000000000055F000-memory.dmp
memory/1096-55-0x0000000076121000-0x0000000076123000-memory.dmp
memory/1096-56-0x0000000000400000-0x000000000049F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-16 23:09
Reported
2022-02-16 23:17
Platform
win10v2004-en-20220113
Max time kernel
170s
Max time network
191s
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\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8802099cdefd5cde.tmp | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8802099cdefd5cde.tmp | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| 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\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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.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: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\system32\svchost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe
"C:\Users\Admin\AppData\Local\Temp\195ef8cfabc2e877ebb1a60a19850c714fb0a477592b0a8d61d88f0f96be5de9.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.4:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.25:80 | tcp | |
| US | 13.107.21.200:443 | tcp | |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| RU | 91.218.114.25:80 | tcp |
Files
memory/1952-130-0x00000000022B0000-0x000000000234F000-memory.dmp
memory/1952-131-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1448-132-0x000001C583D60000-0x000001C583D70000-memory.dmp
memory/1448-133-0x000001C584420000-0x000001C584430000-memory.dmp
memory/1448-134-0x000001C586AE0000-0x000001C586AE4000-memory.dmp