Analysis
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max time kernel
177s -
max time network
197s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:32
Static task
static1
Behavioral task
behavioral1
Sample
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe
Resource
win10v2004-en-20220112
General
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Target
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe
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Size
36KB
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MD5
d7a985579d49153e33db7a8442c8331f
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SHA1
b535cf9abaa0988aa907f908b3ac7a687bee69ad
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SHA256
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50
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SHA512
7279c6fb495e7e8d3ae6134762b409e42529a4900ba22330f8915d471d17e0fafa0b7d015fa1eb18ec7dee65589606ebb967e189d1d689f05cc577fb196430b2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1524 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription 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 52 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3892" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.496351" 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\MonthlyUploadRestriction = "0" 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\MemoryUsageKB = "4228" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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 (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\CacheSizeBytes = "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\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.503241" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013193" 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\DownloadMonthlyLanBytes = "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\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892867843822373" 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\UplinkUsageBps = "0" 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\DownloadMonthlyCdnBytes = "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\InternetConnectionCount = "0" 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\PeerInfoCount = "0" svchost.exe 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\CDNConnectionCount = "0" 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\BkDownloadRatePct = "45" 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\DownloadMonthlyRateBkBps = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555712" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exedescription pid process Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeIncBasePriorityPrivilege 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe Token: SeBackupPrivilege 3480 TiWorker.exe Token: SeRestorePrivilege 3480 TiWorker.exe Token: SeSecurityPrivilege 3480 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.execmd.exedescription pid process target process PID 1500 wrote to memory of 1524 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe MediaCenter.exe PID 1500 wrote to memory of 1524 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe MediaCenter.exe PID 1500 wrote to memory of 1524 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe MediaCenter.exe PID 1500 wrote to memory of 4072 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe cmd.exe PID 1500 wrote to memory of 4072 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe cmd.exe PID 1500 wrote to memory of 4072 1500 176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe cmd.exe PID 4072 wrote to memory of 3220 4072 cmd.exe PING.EXE PID 4072 wrote to memory of 3220 4072 cmd.exe PING.EXE PID 4072 wrote to memory of 3220 4072 cmd.exe PING.EXE
Processes
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:756
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C:\Users\Admin\AppData\Local\Temp\176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe"C:\Users\Admin\AppData\Local\Temp\176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1524 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\176a9c79497aab42a4071218e86668c749c5a1021c681084dd693b2d11519b50.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3220
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1636
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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:3480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
15220288e77cf16024d9e8f6f37e391b
SHA1f1301178400d37607afbd30edef3e186eae864bb
SHA256cfaf834abe8350918c52bc996898a535baee14a970d8629ae4ef2cac4219143e
SHA5124faeb57e1b8cea9fbe0bbaabf967d1bffcffa8c57072d241b4036e88a41cc99a6acedf56458e0451d025be6e80725e15b83bdebec662b7ebea911dfb4afc755f
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MD5
15220288e77cf16024d9e8f6f37e391b
SHA1f1301178400d37607afbd30edef3e186eae864bb
SHA256cfaf834abe8350918c52bc996898a535baee14a970d8629ae4ef2cac4219143e
SHA5124faeb57e1b8cea9fbe0bbaabf967d1bffcffa8c57072d241b4036e88a41cc99a6acedf56458e0451d025be6e80725e15b83bdebec662b7ebea911dfb4afc755f