Analysis
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max time kernel
177s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
13-02-2022 12:19
Static task
static1
Behavioral task
behavioral1
Sample
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe
Resource
win10v2004-en-20220112
General
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Target
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe
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Size
34KB
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MD5
d236fcc8789f94f085137058311e848b
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SHA1
808061052c9efc7c7255ffeb92c77b02bbb8cfee
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SHA256
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d
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SHA512
730c6bf2d17a6fd4b1de4a361848381256187e3cda1133f8d990107a44274078486b310f97751eef771e1e618c2e233f8852a4d61dc93b5ed1c757131e58948d
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Signatures
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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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Executes dropped EXE 1 IoCs
Processes:
djayegu.exepid process 2596 djayegu.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iejdtqsd = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
djayegu.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 djayegu.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 49 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132894048892123824" 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 = "0.000000" 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\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\DownloadMonthlyGroupBytes = "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\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\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\MemoryUsageKB = "4088" 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\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" 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 (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\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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "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\UplinkBps = "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 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\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\LinkLocalConnectionCount = "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 = "4324" 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\UploadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "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 = "1.724166" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.785694" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedjayegu.exedescription pid process Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeIncBasePriorityPrivilege 2596 djayegu.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe Token: SeBackupPrivilege 3888 TiWorker.exe Token: SeRestorePrivilege 3888 TiWorker.exe Token: SeSecurityPrivilege 3888 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exedescription pid process target process PID 3796 wrote to memory of 2596 3796 ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe djayegu.exe PID 3796 wrote to memory of 2596 3796 ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe djayegu.exe PID 3796 wrote to memory of 2596 3796 ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe djayegu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe"C:\Users\Admin\AppData\Local\Temp\ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Users\Admin\AppData\Local\Temp\djayegu.exe"C:\Users\Admin\AppData\Local\Temp\djayegu.exe" {be652f30-73f6-11ec-82c1-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\EE9377~1.EXE"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:2596
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2252
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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:3956
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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:3888
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
5aa769e81f1eb26ab89e159497ee6228
SHA172a2d9fa783dec078ba363b9ae3531dc1366060a
SHA256daa05908a383bf67d811fbc72878f7ddaa473da79bb8403a0e91eff7580c0148
SHA5120de30004da336d9df8989aa69f577181c918a0cd8b0a4fa321d8509224ae393476d328c646f0cf63e1474e91b5f362928e31f998ed7e0c29a67b4eb4ba7ad243
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MD5
d236fcc8789f94f085137058311e848b
SHA1808061052c9efc7c7255ffeb92c77b02bbb8cfee
SHA256ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d
SHA512730c6bf2d17a6fd4b1de4a361848381256187e3cda1133f8d990107a44274078486b310f97751eef771e1e618c2e233f8852a4d61dc93b5ed1c757131e58948d
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MD5
d236fcc8789f94f085137058311e848b
SHA1808061052c9efc7c7255ffeb92c77b02bbb8cfee
SHA256ee937717efe9a2e076b9497498b628beb0c84a8476bd288105a59c5aeea01f3d
SHA512730c6bf2d17a6fd4b1de4a361848381256187e3cda1133f8d990107a44274078486b310f97751eef771e1e618c2e233f8852a4d61dc93b5ed1c757131e58948d