Analysis
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max time kernel
160s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 03:16
Static task
static1
Behavioral task
behavioral1
Sample
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe
Resource
win10v2004-en-20220112
General
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Target
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe
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Size
36KB
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MD5
087127698eb489073af5222827193e73
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SHA1
5611892ba4677ceb8f122722439169c45c594e2a
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SHA256
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588
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SHA512
83a471a2ed752390d8bce9baedd95c7c09befcb060cf5ff3e65f397d1a16a39467a72e0db6805b63c99bee9e6c32258d6671d06fd535d4b0554da20a63195cf2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3836 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 49 IoCs
Processes:
svchost.exedescription ioc process 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\BkDownloadRatePct = "45" 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\DownloadMonthlyLinkLocalBytes = "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\PeerInfoCount = "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\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "1" 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\SwarmCount = "1" 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\PriorityDownloadPendingCount = "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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4340" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142408" 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\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.794558" 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 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\UploadCount = "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\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\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 (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\InternetConnectionCount = "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\UplinkUsageBps = "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\SwarmCount = "0" 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892858626223632" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe Token: SeBackupPrivilege 2564 TiWorker.exe Token: SeRestorePrivilege 2564 TiWorker.exe Token: SeSecurityPrivilege 2564 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.execmd.exedescription pid process target process PID 3440 wrote to memory of 3836 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe MediaCenter.exe PID 3440 wrote to memory of 3836 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe MediaCenter.exe PID 3440 wrote to memory of 3836 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe MediaCenter.exe PID 3440 wrote to memory of 1784 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe cmd.exe PID 3440 wrote to memory of 1784 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe cmd.exe PID 3440 wrote to memory of 1784 3440 182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe cmd.exe PID 1784 wrote to memory of 1880 1784 cmd.exe PING.EXE PID 1784 wrote to memory of 1880 1784 cmd.exe PING.EXE PID 1784 wrote to memory of 1880 1784 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe"C:\Users\Admin\AppData\Local\Temp\182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3836 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\182645e1585c9bc5148e547cec71092bce85ade104ef44ca6fb3602cc8f74588.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1880
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2872
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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:2856
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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:2564
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
5c93dc9cd90fa01364d88fc74d64bf0c
SHA1625bf9a4344685ba096cbc6d14dd7230da3116fc
SHA256e29fe93edbcbcc58dabab0ade21eac1ae1d6a29d41155a7cf7344a1345b9e0b8
SHA512affd94a9cb70f338c061f8e04f347d88c90fdbece9d18de06b010dce574e6147e919b74610ae5556be91979e139c41ce1f625145fba98b753663c51f9ff772d7
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MD5
5c93dc9cd90fa01364d88fc74d64bf0c
SHA1625bf9a4344685ba096cbc6d14dd7230da3116fc
SHA256e29fe93edbcbcc58dabab0ade21eac1ae1d6a29d41155a7cf7344a1345b9e0b8
SHA512affd94a9cb70f338c061f8e04f347d88c90fdbece9d18de06b010dce574e6147e919b74610ae5556be91979e139c41ce1f625145fba98b753663c51f9ff772d7