Analysis
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max time kernel
155s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:56
Static task
static1
Behavioral task
behavioral1
Sample
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe
Resource
win10v2004-en-20220112
General
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Target
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe
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Size
60KB
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MD5
68d084653c357bb4d3028f594da2b0fa
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SHA1
2b491b4ee133e8ae4936950a31301f24d3e26398
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SHA256
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b
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SHA512
e46d17049543bbd24b80368952671a75cef4d4d95847ae31ad61375cc9c3ccfa8e2ff1d8c2b054be72c7192c7e81c62c0d08f64317f00abd6953c96f9d4ceef9
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 816 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.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 54 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkBps = "1157726" 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\MemoryUsageKB = "4080" 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.225837" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.996724" 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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "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\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892882349392834" 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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "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\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\DownloadMonthlyCdnBytes = "90228624" 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\DownlinkBps = "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\MonthlyUploadRestriction = "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\Config\DownloadMode_BackCompat = "1" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.714052" 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\UploadCount = "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\DownloadMonthlyRateBkCnt = "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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296" 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\DownloadMonthlyRateBkCnt = "4" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe Token: SeBackupPrivilege 552 TiWorker.exe Token: SeRestorePrivilege 552 TiWorker.exe Token: SeSecurityPrivilege 552 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.execmd.exedescription pid process target process PID 1752 wrote to memory of 816 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe MediaCenter.exe PID 1752 wrote to memory of 816 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe MediaCenter.exe PID 1752 wrote to memory of 816 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe MediaCenter.exe PID 1752 wrote to memory of 1196 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe cmd.exe PID 1752 wrote to memory of 1196 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe cmd.exe PID 1752 wrote to memory of 1196 1752 166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe cmd.exe PID 1196 wrote to memory of 1452 1196 cmd.exe PING.EXE PID 1196 wrote to memory of 1452 1196 cmd.exe PING.EXE PID 1196 wrote to memory of 1452 1196 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe"C:\Users\Admin\AppData\Local\Temp\166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:816 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\166e7d8daf8c94462f2b37436ce7dd9e4cdc389097b2b800f33c450f2a87288b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1452
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1980
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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:1160
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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:552
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
32831270701b7d0f3da4a1e980c12310
SHA14fc89da743f4447d34ad5f39e4a249fdf0041751
SHA256fce3c49eab38fbd7b4558319e8734245732c64d42c8ae35e0d8c5e35ff6d114f
SHA5123ca43b13152bac818f4f162ebf0f19666df2f98989a7af9ab26da74d7d55f3714cc9d1782ba0647daa1cd34745efecb90f8aecf9190e43272eb8fbecf16ac191
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MD5
32831270701b7d0f3da4a1e980c12310
SHA14fc89da743f4447d34ad5f39e4a249fdf0041751
SHA256fce3c49eab38fbd7b4558319e8734245732c64d42c8ae35e0d8c5e35ff6d114f
SHA5123ca43b13152bac818f4f162ebf0f19666df2f98989a7af9ab26da74d7d55f3714cc9d1782ba0647daa1cd34745efecb90f8aecf9190e43272eb8fbecf16ac191