Analysis
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max time kernel
159s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:32
Static task
static1
Behavioral task
behavioral1
Sample
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe
Resource
win10v2004-en-20220112
General
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Target
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe
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Size
35KB
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MD5
9c2aa3bd2b568ad97c8c650ff26729a9
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SHA1
310d3c213eb06d82843403f7588b51c805463b4d
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SHA256
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a
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SHA512
0859662174ada120522edddffbab410b080249304d2462f4084fe05faae7dc6ef1bf3984833b0b103f84f4cc5e6e2495b0ee0953a31ecd86dafe10de67c4c406
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1432 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.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 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exeMusNotifyIcon.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 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 49 IoCs
Processes:
svchost.exedescription ioc process 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\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\DownloadMonthlyInternetBytes = "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\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\Config\DownloadMode_BackCompat = "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\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 (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\NormalDownloadCount = "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 = "5.883004" 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\SwarmCount = "1" 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\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\Usage\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.799971" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892868703488788" 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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "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\LANConnectionCount = "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\UploadMonthlyLanBytes = "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 (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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" 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 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\MonthID = "2" 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\GroupConnectionCount = "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\FrDownloadRatePct = "90" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe Token: SeBackupPrivilege 2528 TiWorker.exe Token: SeRestorePrivilege 2528 TiWorker.exe Token: SeSecurityPrivilege 2528 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.execmd.exedescription pid process target process PID 1428 wrote to memory of 1432 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe MediaCenter.exe PID 1428 wrote to memory of 1432 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe MediaCenter.exe PID 1428 wrote to memory of 1432 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe MediaCenter.exe PID 1428 wrote to memory of 1816 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe cmd.exe PID 1428 wrote to memory of 1816 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe cmd.exe PID 1428 wrote to memory of 1816 1428 17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe cmd.exe PID 1816 wrote to memory of 3264 1816 cmd.exe PING.EXE PID 1816 wrote to memory of 3264 1816 cmd.exe PING.EXE PID 1816 wrote to memory of 3264 1816 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe"C:\Users\Admin\AppData\Local\Temp\17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1432 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17687c90b19a839be3b236f16615b3f32e0f8b7681fb6f2ee6d152ef9b9c6c1a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3264
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:448
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3544
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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:2940
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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:2528
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
fb3721910d530c43cb1047d5890c3890
SHA1e1acf7a1cdee55195e92413f8952e83029439174
SHA256716e0ce02bb80c3acf594838be33bf409f2b80e21186537959efdfec1bb74b7c
SHA5129eab427ea5a9dbf52baa22ae3cda20a71ce6e009b2edb27c9b75319b4444075fc825232535c95b0687886ceeabe6dee18242b495d3c3577dacd98aa65724900f
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MD5
fb3721910d530c43cb1047d5890c3890
SHA1e1acf7a1cdee55195e92413f8952e83029439174
SHA256716e0ce02bb80c3acf594838be33bf409f2b80e21186537959efdfec1bb74b7c
SHA5129eab427ea5a9dbf52baa22ae3cda20a71ce6e009b2edb27c9b75319b4444075fc825232535c95b0687886ceeabe6dee18242b495d3c3577dacd98aa65724900f