Analysis
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max time kernel
156s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 04:05
Static task
static1
Behavioral task
behavioral1
Sample
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe
Resource
win10v2004-en-20220112
General
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Target
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe
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Size
92KB
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MD5
6c97b3d4497e01f2ea87862f36ea3b24
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SHA1
33d63cab2248541cc2b6851a40f9fc230577ef98
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SHA256
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b
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SHA512
183af97dd88859bfdfbd0c15ab2573008ef74053cb4e2b05d8506116d8b93465e78b03efc6119dc3c9d40276266f66469b4b9a3aaa3e456f3fe8b342d6cc8ef7
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1240 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.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 50 IoCs
Processes:
svchost.exedescription ioc process 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\DownloadMonthlyRateFrBps = "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\BkDownloadRatePct = "45" 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\Config\DODownloadMode = "1" 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\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4008" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892887810334962" 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\GroupConnectionCount = "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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2" 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\NormalDownloadCount = "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\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\DownloadMonthlyLanBytes = "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\FrDownloadRatePct = "90" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184" 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 = "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\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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.885829" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.126582" 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\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\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\UploadRatePct = "100" 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\PeerInfoCount = "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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4400" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exedescription pid process Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeIncBasePriorityPrivilege 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe Token: SeBackupPrivilege 60 TiWorker.exe Token: SeRestorePrivilege 60 TiWorker.exe Token: SeSecurityPrivilege 60 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.execmd.exedescription pid process target process PID 544 wrote to memory of 1240 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe MediaCenter.exe PID 544 wrote to memory of 1240 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe MediaCenter.exe PID 544 wrote to memory of 1240 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe MediaCenter.exe PID 544 wrote to memory of 3880 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe cmd.exe PID 544 wrote to memory of 3880 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe cmd.exe PID 544 wrote to memory of 3880 544 1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe cmd.exe PID 3880 wrote to memory of 1624 3880 cmd.exe PING.EXE PID 3880 wrote to memory of 1624 3880 cmd.exe PING.EXE PID 3880 wrote to memory of 1624 3880 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe"C:\Users\Admin\AppData\Local\Temp\1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1240 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1615c486610a0ecd9e3da9e24e7ed102e1b3365da3097374bc914609335d059b.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1624
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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:1892
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:228
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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:60
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8693d02e8af92f0296b0337d44e2c578
SHA1445f3348d85f796bad97b2844e208dcbd9888ad1
SHA2566d552b864ffe9249855990de8bc2c7b89467c12945c4c20355591723f6609726
SHA5126b57cd9e493801ea4e25833b046d61be97fbcc532e3ee645826b67e5009f943e9682396bb60316f773c358102004f7185cd7b45153a2ea34cbe18a81c37eeb5e
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MD5
8693d02e8af92f0296b0337d44e2c578
SHA1445f3348d85f796bad97b2844e208dcbd9888ad1
SHA2566d552b864ffe9249855990de8bc2c7b89467c12945c4c20355591723f6609726
SHA5126b57cd9e493801ea4e25833b046d61be97fbcc532e3ee645826b67e5009f943e9682396bb60316f773c358102004f7185cd7b45153a2ea34cbe18a81c37eeb5e