Analysis Overview
SHA256
3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3
Threat Level: Known bad
The file 3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3 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 WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-16 23:05
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-16 23:05
Reported
2022-02-16 23:15
Platform
win7-en-20211208
Max time kernel
168s
Max time network
194s
Command Line
Signatures
Maze
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\SkipRename.tiff => C:\Users\Admin\Pictures\SkipRename.tiff.fdR2hcJ | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UnpublishAssert.png => C:\Users\Admin\Pictures\UnpublishAssert.png.fdR2hcJ | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\BlockUnblock.tif => C:\Users\Admin\Pictures\BlockUnblock.tif.9Q0TF | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\MoveResume.crw => C:\Users\Admin\Pictures\MoveResume.crw.NkPvDR | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\PublishBackup.crw => C:\Users\Admin\Pictures\PublishBackup.crw.wXVD7Gt | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RemoveTrace.png => C:\Users\Admin\Pictures\RemoveTrace.png.wXVD7Gt | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ResetConnect.crw => C:\Users\Admin\Pictures\ResetConnect.crw.wXVD7Gt | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SkipRename.tiff | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\88380999342c6eb9.tmp | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.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 |
Processes
C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe
"C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
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 | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.11:80 | tcp | |
| RU | 91.218.114.25:80 | tcp |
Files
memory/1672-55-0x0000000075801000-0x0000000075803000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-16 23:05
Reported
2022-02-16 23:14
Platform
win10v2004-en-20220113
Max time kernel
164s
Max time network
186s
Command Line
Signatures
Maze
Deletes shadow copies
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\AssertUnlock.crw => C:\Users\Admin\Pictures\AssertUnlock.crw.Wx9t | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ClearReset.raw => C:\Users\Admin\Pictures\ClearReset.raw.kst8z | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\InitializeExit.tiff | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\InitializeExit.tiff => C:\Users\Admin\Pictures\InitializeExit.tiff.kst8z | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ResolveInvoke.png => C:\Users\Admin\Pictures\ResolveInvoke.png.UVrMBe | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UpdateShow.tif => C:\Users\Admin\Pictures\UpdateShow.tif.Oyv8yLy | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ApproveNew.crw => C:\Users\Admin\Pictures\ApproveNew.crw.Wx9t | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\8802099c59a08dfe.tmp | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8802099c59a08dfe.tmp | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.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\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.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 |
| 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 |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1960 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | C:\Windows\system32\wbem\wmic.exe |
| PID 1960 wrote to memory of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe | C:\Windows\system32\wbem\wmic.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe
"C:\Users\Admin\AppData\Local\Temp\3553e60605178bcddcb6243f33b8d9b472c0500a26c1f4c4c3ff36e129cee9b3.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\system32\wbem\wmic.exe
"C:\n\cdceg\imrm\..\..\..\Windows\fcrb\ht\..\..\system32\bu\ey\vforu\..\..\..\wbem\eivi\..\wmic.exe" shadowcopy delete
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x38c 0x498
Network
| Country | Destination | Domain | Proto |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | tcp | |
| NL | 67.26.111.254:80 | 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 | 91.218.114.4:80 | 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 | |
| RU | 91.218.114.26:80 | 91.218.114.26 | tcp |
| RU | 91.218.114.26:80 | 91.218.114.26 | tcp |
| RU | 91.218.114.31:80 | tcp |
Files
memory/1068-130-0x0000021199F90000-0x0000021199FA0000-memory.dmp
memory/1068-131-0x000002119A620000-0x000002119A630000-memory.dmp
memory/1068-132-0x000002119CD10000-0x000002119CD14000-memory.dmp