Analysis
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max time kernel
183s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 10:50
Static task
static1
Behavioral task
behavioral1
Sample
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe
Resource
win10v2004-en-20220112
General
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Target
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe
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Size
150KB
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MD5
0d46e73775f85757e19449ee4c48071e
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SHA1
5d1bbb106d56e1c31332f3ab344ff1056112e041
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SHA256
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44
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SHA512
bc0a32aa46beb9733f0a13410fa1a327200bbf6d5257c7853a0a6829b7f30117aa32782c73c4d31fc5f9b2c8806627977033eabd66f9fecb87929c8c9249b02d
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 3504 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.exedescription ioc process 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 46 IoCs
Processes:
svchost.exedescription ioc process 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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.374532" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3688" 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\Usage\UploadMonthlyInternetBytes = "0" 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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\DownloadMonthlyLinkLocalBytes = "0" 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\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 = "0.000000" 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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3668" 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\DownloadMonthlyRateFrCnt = "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\UplinkUsageBps = "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\DownloadMonthlyRateFrBps = "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\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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3492" 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\BkDownloadRatePct = "45" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exedescription pid process Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeIncBasePriorityPrivilege 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe Token: SeBackupPrivilege 1976 TiWorker.exe Token: SeRestorePrivilege 1976 TiWorker.exe Token: SeSecurityPrivilege 1976 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.execmd.exedescription pid process target process PID 1804 wrote to memory of 3504 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe MediaCenter.exe PID 1804 wrote to memory of 3504 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe MediaCenter.exe PID 1804 wrote to memory of 3504 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe MediaCenter.exe PID 1804 wrote to memory of 272 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe cmd.exe PID 1804 wrote to memory of 272 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe cmd.exe PID 1804 wrote to memory of 272 1804 0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe cmd.exe PID 272 wrote to memory of 3696 272 cmd.exe PING.EXE PID 272 wrote to memory of 3696 272 cmd.exe PING.EXE PID 272 wrote to memory of 3696 272 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe"C:\Users\Admin\AppData\Local\Temp\0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3504 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0603ea7f01bf518ab11717230278e805cd81f2a7255008c5b7e94bb8c936cc44.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:272 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3696
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2688
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:4032
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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:1976
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c45473da89276f6f49aed9007eebd8f0
SHA14eba8510c6d9885be15dd550e94906c74c6fee98
SHA256a00e728ef746787a83b1e64270d932297216797a1cf4e135a0cecc2a4861d23f
SHA5125c3377f19bffd3c9eafe7c9a27b7c29f1e35dae580da5adb7696a993ecdbd59b5669040cec3633b3a05bfe22a3e1222e864d4ca8116dfb2277e3e42681bbf90f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c45473da89276f6f49aed9007eebd8f0
SHA14eba8510c6d9885be15dd550e94906c74c6fee98
SHA256a00e728ef746787a83b1e64270d932297216797a1cf4e135a0cecc2a4861d23f
SHA5125c3377f19bffd3c9eafe7c9a27b7c29f1e35dae580da5adb7696a993ecdbd59b5669040cec3633b3a05bfe22a3e1222e864d4ca8116dfb2277e3e42681bbf90f