Analysis
- max time kernel
153s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 04:18
Static task
static1
Behavioral task
behavioral1
Sample
158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe
- Size 99KB
- Sample220212-ew13cafhe8
- SHA256 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88
- MD5 05031431dd97181b54ba1b33a7caf00a
- SHA1 26481c4ec528a27bc6d0803d7ad6dd6c10a0f667
- SHA512 c78e6e4de6ab6009ed8f2af4aae73dc0482366ad13e77ad55698d23ccd9c4b84972a89218b49712e94d1e8bc57b64362d758a8d2f04d4e301ad827f6ca852202
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x00060000000216d0-131.dat family_sakula behavioral2/files/0x00060000000216d0-130.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 2512 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 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.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" 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe - Drops file in Windows directory 3 IoCs
description 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.
- 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\CacheSizeBytes = "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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264" 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 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "0" 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 = "0.000000" 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\Config\KVFileExpirationTime = "132892896293117451" 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 = "0.847504" 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\InternetConnectionCount = "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\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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4044" 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\PriorityDownloadCount = "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\CDNConnectionCount = "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\BkDownloadRatePct = "45" 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 = "0.332225" 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\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\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\DownloadMonthlyInternetBytes = "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\LANConnectionCount = "0" svchost.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3184 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe Token: SeBackupPrivilege 2204 TiWorker.exe Token: SeRestorePrivilege 2204 TiWorker.exe Token: SeSecurityPrivilege 2204 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 64 wrote to memory of 2512 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe 59 PID 64 wrote to memory of 2512 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe 59 PID 64 wrote to memory of 2512 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe 59 PID 64 wrote to memory of 816 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe 72 PID 64 wrote to memory of 816 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe 72 PID 64 wrote to memory of 816 64 158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe 72 PID 816 wrote to memory of 3184 816 cmd.exe 74 PID 816 wrote to memory of 3184 816 cmd.exe 74 PID 816 wrote to memory of 3184 816 cmd.exe 74
Processes
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C:\Users\Admin\AppData\Local\Temp\158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe"C:\Users\Admin\AppData\Local\Temp\158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2512
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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\158dbd448ce17df050145cb1f51ddc901479243b2a35e0a5537783826591fe88.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3184
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:312
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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:1780
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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:2204