Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
176s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
16/02/2022, 23:06
Static task
static1
Behavioral task
behavioral1
Sample
33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe
Resource
win10v2004-en-20220112
General
-
Target
33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe
-
Size
350KB
-
MD5
b352d33bb98d89a440c4c40663a49e9f
-
SHA1
dcc899f6481c868c8c787b9430752b7dac818f8c
-
SHA256
33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb
-
SHA512
ac726a5270f82fe5024fab5aa27d001ae63cc6256964bdf9b0c4398fd06981993c83bb692ea72d16ac708ce5c606debc54bb8169ea9245f593e11ce85cd65e9c
Malware Config
Extracted
C:\DECRYPT-FILES.html
<b>[email protected]</b>
Signatures
-
Maze
Ransomware family also known as ChaCha.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 50 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.128866" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132897032299850701" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.111115" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1560 33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe 1560 33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2692 wmic.exe Token: SeSecurityPrivilege 2692 wmic.exe Token: SeTakeOwnershipPrivilege 2692 wmic.exe Token: SeLoadDriverPrivilege 2692 wmic.exe Token: SeSystemProfilePrivilege 2692 wmic.exe Token: SeSystemtimePrivilege 2692 wmic.exe Token: SeProfSingleProcessPrivilege 2692 wmic.exe Token: SeIncBasePriorityPrivilege 2692 wmic.exe Token: SeCreatePagefilePrivilege 2692 wmic.exe Token: SeBackupPrivilege 2692 wmic.exe Token: SeRestorePrivilege 2692 wmic.exe Token: SeShutdownPrivilege 2692 wmic.exe Token: SeDebugPrivilege 2692 wmic.exe Token: SeSystemEnvironmentPrivilege 2692 wmic.exe Token: SeRemoteShutdownPrivilege 2692 wmic.exe Token: SeUndockPrivilege 2692 wmic.exe Token: SeManageVolumePrivilege 2692 wmic.exe Token: 33 2692 wmic.exe Token: 34 2692 wmic.exe Token: 35 2692 wmic.exe Token: 36 2692 wmic.exe Token: SeIncreaseQuotaPrivilege 2692 wmic.exe Token: SeSecurityPrivilege 2692 wmic.exe Token: SeTakeOwnershipPrivilege 2692 wmic.exe Token: SeLoadDriverPrivilege 2692 wmic.exe Token: SeSystemProfilePrivilege 2692 wmic.exe Token: SeSystemtimePrivilege 2692 wmic.exe Token: SeProfSingleProcessPrivilege 2692 wmic.exe Token: SeIncBasePriorityPrivilege 2692 wmic.exe Token: SeCreatePagefilePrivilege 2692 wmic.exe Token: SeBackupPrivilege 2692 wmic.exe Token: SeRestorePrivilege 2692 wmic.exe Token: SeShutdownPrivilege 2692 wmic.exe Token: SeDebugPrivilege 2692 wmic.exe Token: SeSystemEnvironmentPrivilege 2692 wmic.exe Token: SeRemoteShutdownPrivilege 2692 wmic.exe Token: SeUndockPrivilege 2692 wmic.exe Token: SeManageVolumePrivilege 2692 wmic.exe Token: 33 2692 wmic.exe Token: 34 2692 wmic.exe Token: 35 2692 wmic.exe Token: 36 2692 wmic.exe Token: SeBackupPrivilege 1288 vssvc.exe Token: SeRestorePrivilege 1288 vssvc.exe Token: SeAuditPrivilege 1288 vssvc.exe Token: SeSecurityPrivilege 2320 TiWorker.exe Token: SeRestorePrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe Token: SeRestorePrivilege 2320 TiWorker.exe Token: SeSecurityPrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe Token: SeRestorePrivilege 2320 TiWorker.exe Token: SeSecurityPrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe Token: SeRestorePrivilege 2320 TiWorker.exe Token: SeSecurityPrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe Token: SeRestorePrivilege 2320 TiWorker.exe Token: SeSecurityPrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe Token: SeRestorePrivilege 2320 TiWorker.exe Token: SeSecurityPrivilege 2320 TiWorker.exe Token: SeBackupPrivilege 2320 TiWorker.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1560 wrote to memory of 2692 1560 33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe 75 PID 1560 wrote to memory of 2692 1560 33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe"C:\Users\Admin\AppData\Local\Temp\33e8cd4f3d71d9fc47417d9f4e4b8cc4cfb74a09bb98cc94e4116a85ec62fceb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\system32\wbem\wmic.exe"C:\ypowu\inlli\..\..\Windows\f\..\system32\nhvac\a\..\..\wbem\bf\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2692
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:212
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2288
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1288
-
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2320