Analysis
- max time kernel
171s - max time network
181s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 04:20
Static task
static1
Behavioral task
behavioral1
Sample
157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe
- Size 36KB
- Sample220212-ex92msfhf9
- SHA256 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005
- MD5 2793b5ca4c3e528c429bf01d1c8a8385
- SHA1 57ad1d0e6cf88bf98f6cfae327918b791148aacd
- SHA512 7f3e6b0f6de69ebe84c424a6dd8742c52495876f1d39ddf049142ecf9b29085e5385f50052f2ca80a73d6729cb21ad15cb4d4500670c0906677b1ca9ff9509d0
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2504 MediaCenter.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe - Drops file in Windows directory 3 IoCs
description ioc Process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process 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\NormalDownloadPendingCount = "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\LinkLocalConnectionCount = "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 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\UploadMonthlyInternetBytes = "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\CDNConnectionCount = "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\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.383373" 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\DownloadMonthlyRateFrCnt = "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\InternetConnectionCount = "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\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\PriorityDownloadCount = "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\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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892897431094960" 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 = "4084" 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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.695098" 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\DownloadMonthlyLanBytes = "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 = "4268" 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\UploadMonthlyLanBytes = "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\BkDownloadRatePct = "45" 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\NormalDownloadCount = "0" 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\DownloadMonthlyCdnBytes = "0" 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\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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2728 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeIncBasePriorityPrivilege 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe Token: SeBackupPrivilege 3292 TiWorker.exe Token: SeRestorePrivilege 3292 TiWorker.exe Token: SeSecurityPrivilege 3292 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1744 wrote to memory of 2504 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe 65 PID 1744 wrote to memory of 2504 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe 65 PID 1744 wrote to memory of 2504 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe 65 PID 1744 wrote to memory of 3752 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe 76 PID 1744 wrote to memory of 3752 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe 76 PID 1744 wrote to memory of 3752 1744 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe 76 PID 3752 wrote to memory of 2728 3752 cmd.exe 79 PID 3752 wrote to memory of 2728 3752 cmd.exe 79 PID 3752 wrote to memory of 2728 3752 cmd.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe"C:\Users\Admin\AppData\Local\Temp\157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2504
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2728
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3800
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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:1548
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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:3292