Analysis
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max time kernel
163s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:01
Static task
static1
Behavioral task
behavioral1
Sample
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe
Resource
win10v2004-en-20220112
General
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Target
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe
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Size
58KB
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MD5
7eba05d5dce071d2b50dd0e8c8e65633
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SHA1
bbad64341e78fa0692fe944bef2775d4fdc3ab83
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SHA256
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a
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SHA512
adab37f0893738ee5015a3791b179b0162352b0287edc458667149089324c1ea9e1938eff18c487e5b41e33807b266e144a3754b385b72095302a5d38eb999e2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3420 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" 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\PeerInfoCount = "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\PriorityDownloadCount = "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\InternetConnectionCount = "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\NormalDownloadPendingCount = "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 (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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.033076" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.125944" 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\UploadMonthlyLanBytes = "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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" 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\Usage\LANConnectionCount = "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\BkDownloadRatePct = "45" 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\SwarmCount = "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\DODownloadMode = "1" 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\CDNConnectionCount = "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\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 (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\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\DownlinkBps = "0" 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 Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\Config\KVFileExpirationTime = "132892885794786268" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe Token: SeBackupPrivilege 548 TiWorker.exe Token: SeRestorePrivilege 548 TiWorker.exe Token: SeSecurityPrivilege 548 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.execmd.exedescription pid process target process PID 2516 wrote to memory of 3420 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe MediaCenter.exe PID 2516 wrote to memory of 3420 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe MediaCenter.exe PID 2516 wrote to memory of 3420 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe MediaCenter.exe PID 2516 wrote to memory of 3132 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe cmd.exe PID 2516 wrote to memory of 3132 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe cmd.exe PID 2516 wrote to memory of 3132 2516 1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe cmd.exe PID 3132 wrote to memory of 3624 3132 cmd.exe PING.EXE PID 3132 wrote to memory of 3624 3132 cmd.exe PING.EXE PID 3132 wrote to memory of 3624 3132 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe"C:\Users\Admin\AppData\Local\Temp\1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3420 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1649670fb8188eecbfa255fa03232dc7cf0ddb2398904c56488cc9b9311b638a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3624
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3132
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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:3996
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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:548
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
b4d126351ba93095223bbc6d913d8fb5
SHA1146a9aaa89f1f84afeba3029d5fa234d775cd0f7
SHA256122b3ea47f86e50d90e25dc35494ba0b2c2c71a54933f86cacf85fae4d1594c9
SHA512367c5c50d773a7bdd3a07336a3d43487267a4c681efeeac06ea57b8a30276922864b1e28a625dff65c1abcfb38e9fd9f7c0fac718aecf9a6468617b21bf95443
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MD5
b4d126351ba93095223bbc6d913d8fb5
SHA1146a9aaa89f1f84afeba3029d5fa234d775cd0f7
SHA256122b3ea47f86e50d90e25dc35494ba0b2c2c71a54933f86cacf85fae4d1594c9
SHA512367c5c50d773a7bdd3a07336a3d43487267a4c681efeeac06ea57b8a30276922864b1e28a625dff65c1abcfb38e9fd9f7c0fac718aecf9a6468617b21bf95443