Analysis
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max time kernel
161s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:26
Static task
static1
Behavioral task
behavioral1
Sample
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe
Resource
win10v2004-en-20220112
General
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Target
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe
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Size
60KB
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MD5
6465d2c39ed8bb5535b033fb2341096b
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SHA1
a3420e090d46a990fc35087915939247f46c6ef4
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SHA256
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc
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SHA512
219a94316afb7d5d56f2d9a53da196bb6dc90de7281f0939a87d93dd940757a9882fadf3aaefaf8c0807a09a0c79bdb1b1171c0bd84a4441f8b5e3773f9d70d2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3368 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.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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Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription ioc process 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 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\DownloadMonthlyLinkLocalBytes = "0" 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\Config\DODownloadMode = "1" 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 = "132892901015977141" 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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyRateBkCnt = "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\MonthID = "2" 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\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.484270" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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\UploadMonthlyInternetBytes = "0" 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\Usage\CPUpct = "0.000000" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.195311" 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\NormalDownloadPendingCount = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\DownloadMonthlyLanBytes = "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\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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkBps = "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\Usage\CDNConnectionCount = "0" 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\MemoryUsageKB = "4220" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe Token: SeBackupPrivilege 1660 TiWorker.exe Token: SeRestorePrivilege 1660 TiWorker.exe Token: SeSecurityPrivilege 1660 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.execmd.exedescription pid process target process PID 3120 wrote to memory of 3368 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe MediaCenter.exe PID 3120 wrote to memory of 3368 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe MediaCenter.exe PID 3120 wrote to memory of 3368 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe MediaCenter.exe PID 3120 wrote to memory of 716 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe cmd.exe PID 3120 wrote to memory of 716 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe cmd.exe PID 3120 wrote to memory of 716 3120 1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe cmd.exe PID 716 wrote to memory of 2628 716 cmd.exe PING.EXE PID 716 wrote to memory of 2628 716 cmd.exe PING.EXE PID 716 wrote to memory of 2628 716 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe"C:\Users\Admin\AppData\Local\Temp\1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3368 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1550fbbc213511400356ede5d25790dc2a4dd3972a3ef6411e6edf05febe51fc.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:716 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2628
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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:2284
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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:1660
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
3d891d9f1872ff2e63c0e85170342815
SHA15565e498e0e6d95b99a955fb127eb10cbb31edb9
SHA256cdb77e541c95af30bb8e5f89f01ac280e76a130dacd503546e761bf7a6c79f04
SHA512c54877260ee9131753a82604fdafa5519fdebbd639d7c4558eedf2c616fc7a5e108670bc6c838a761e000127bd85c79faf413613e1dd7043637632a8e6c98720
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MD5
3d891d9f1872ff2e63c0e85170342815
SHA15565e498e0e6d95b99a955fb127eb10cbb31edb9
SHA256cdb77e541c95af30bb8e5f89f01ac280e76a130dacd503546e761bf7a6c79f04
SHA512c54877260ee9131753a82604fdafa5519fdebbd639d7c4558eedf2c616fc7a5e108670bc6c838a761e000127bd85c79faf413613e1dd7043637632a8e6c98720