Analysis
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max time kernel
160s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:23
Static task
static1
Behavioral task
behavioral1
Sample
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe
Resource
win10v2004-en-20220112
General
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Target
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe
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Size
150KB
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MD5
3bc375bbe93ee08a461fd1bf42c79b75
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SHA1
c04e6a527584761c5b77138c218d1e8be81e08e3
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SHA256
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c
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SHA512
c380a6e7d06a89d5e860fb721ae7c998f9ac0b54742169685bced238c1339ef786d363ffe2b6ec5ab35e517c4c5d680d061d432eab6a4626949a8ce3329ae720
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 -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1340 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.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 51 IoCs
Processes:
svchost.exedescription ioc process 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.262952" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.998160" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019703" 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\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\FrDownloadRatePct = "90" 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\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\Config\KVFileExpirationTime = "132893006885609914" 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\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\MemoryUsageKB = "4180" 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\MonthID = "2" 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\PriorityDownloadPendingCount = "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\Settings 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\DownloadMonthlyLinkLocalBytes = "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\CacheSizeBytes = "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\Config\DODownloadMode = "1" 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\BkDownloadRatePct = "45" 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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrBps = "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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "18.189660" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4052" 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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "0" 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\MemoryUsageKB = "4380" 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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exedescription pid process Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeIncBasePriorityPrivilege 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe Token: SeBackupPrivilege 2484 TiWorker.exe Token: SeRestorePrivilege 2484 TiWorker.exe Token: SeSecurityPrivilege 2484 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.execmd.exedescription pid process target process PID 3096 wrote to memory of 1340 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe MediaCenter.exe PID 3096 wrote to memory of 1340 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe MediaCenter.exe PID 3096 wrote to memory of 1340 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe MediaCenter.exe PID 3096 wrote to memory of 2104 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe cmd.exe PID 3096 wrote to memory of 2104 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe cmd.exe PID 3096 wrote to memory of 2104 3096 0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe cmd.exe PID 2104 wrote to memory of 1132 2104 cmd.exe PING.EXE PID 2104 wrote to memory of 1132 2104 cmd.exe PING.EXE PID 2104 wrote to memory of 1132 2104 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe"C:\Users\Admin\AppData\Local\Temp\0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1340 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0dbe0b854ffb4de62e1c1ff4532d360b60a228207001413f5941117158e9512c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1132
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1292
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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:3172
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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:2484
Network
MITRE ATT&CK Enterprise v6
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Downloads
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MD5
2c91394310d433a4e77402702e29ab7e
SHA1d53919cf2b122eae5454d827557449a2d8c4aedd
SHA256a172d491d94db4b7b43f29a0036da3bdbc5fabe006d13beba2d97b404b864853
SHA512b1788fffb98bc26725661e0803a59b10e015075711b95c44647100c422f2395ffc5f8da3670275b16ea337dbe96959624b778a55c5b23d0a4cb685ffd2d4c419
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MD5
2c91394310d433a4e77402702e29ab7e
SHA1d53919cf2b122eae5454d827557449a2d8c4aedd
SHA256a172d491d94db4b7b43f29a0036da3bdbc5fabe006d13beba2d97b404b864853
SHA512b1788fffb98bc26725661e0803a59b10e015075711b95c44647100c422f2395ffc5f8da3670275b16ea337dbe96959624b778a55c5b23d0a4cb685ffd2d4c419