Analysis
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max time kernel
160s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:47
Static task
static1
Behavioral task
behavioral1
Sample
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe
Resource
win10v2004-en-20220112
General
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Target
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe
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Size
60KB
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MD5
4859a3f92749b1a723955964816838fc
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SHA1
7da946d41d3f6d5386555e1fea8cbf9f604f0b7f
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SHA256
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa
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SHA512
39ec132a54aec5d3c474a45471a7adb26afa067c2faa6b772b3f4c5680bc5dfa2fb706bbfcd58b5117cd81351703994125257b7c626bd07c27f72ee5a18803f3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1484 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.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 55 IoCs
Processes:
svchost.exedescription ioc process 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\UploadRatePct = "100" 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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893098730819859" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.100120" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.172306" 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\UplinkBps = "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\LinkLocalConnectionCount = "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\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\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyCdnBytes = "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\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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076" 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\MonthID = "1" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\DownloadMonthlyRateFrBps = "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\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\UplinkUsageBps = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe Token: SeRestorePrivilege 1240 TiWorker.exe Token: SeSecurityPrivilege 1240 TiWorker.exe Token: SeBackupPrivilege 1240 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.execmd.exedescription pid process target process PID 3008 wrote to memory of 1484 3008 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe MediaCenter.exe PID 3008 wrote to memory of 1484 3008 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe MediaCenter.exe PID 3008 wrote to memory of 1484 3008 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe MediaCenter.exe PID 3008 wrote to memory of 3916 3008 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe cmd.exe PID 3008 wrote to memory of 3916 3008 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe cmd.exe PID 3008 wrote to memory of 3916 3008 090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe cmd.exe PID 3916 wrote to memory of 3652 3916 cmd.exe PING.EXE PID 3916 wrote to memory of 3652 3916 cmd.exe PING.EXE PID 3916 wrote to memory of 3652 3916 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe"C:\Users\Admin\AppData\Local\Temp\090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1484 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\090b3da9add6f6d83435d631169da79e216b035e5e072398ff9c0d7ff0af8caa.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3652
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3460
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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:2268
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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:1240
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
1590d144e1a717b73e344a99ff1d8e3f
SHA11326248ad67e4f5eee61f9213abf5b2049ccc513
SHA2567e10f21979a292feeea4982c706ae571d47772973b563f36634e914d159d5018
SHA512096da6f0b8aa28941ef962ee004020cf96dacba92ba3a3d2bc8ddee9cbe5766e44ffc77a17fe08d1b3108e812a460bb300b19ec80f16b7e955135e492eb089c5
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
1590d144e1a717b73e344a99ff1d8e3f
SHA11326248ad67e4f5eee61f9213abf5b2049ccc513
SHA2567e10f21979a292feeea4982c706ae571d47772973b563f36634e914d159d5018
SHA512096da6f0b8aa28941ef962ee004020cf96dacba92ba3a3d2bc8ddee9cbe5766e44ffc77a17fe08d1b3108e812a460bb300b19ec80f16b7e955135e492eb089c5