Analysis
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max time kernel
165s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:49
Static task
static1
Behavioral task
behavioral1
Sample
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe
Resource
win10v2004-en-20220112
General
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Target
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe
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Size
80KB
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MD5
a6974198eb53d0e73896502c65b886bd
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SHA1
6e69955cb1c8985bd77ec20f440c1b0fcf527bc1
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SHA256
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4
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SHA512
4cce15eea75c785dbdb4f0f133f3a15cf8b02323dd4f0fa7173c7d66491d6d5574f059fd57b56e031bc45b976f6839c8d344aa1b54ebca9cc317a4e2bdf4b702
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 2500 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 54 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.041254" 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\GroupConnectionCount = "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\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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.515740" 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.877941" 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\PeerInfoCount = "0" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\SwarmCount = "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\MemoryUsageKB = "4312" 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\DownloadMonthlyLanBytes = "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\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 (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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkBps = "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 = "4316" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" 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\DownloadMonthlyCdnBytes = "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\KVFileExpirationTime = "132893219478512380" 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\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe Token: SeBackupPrivilege 2956 TiWorker.exe Token: SeRestorePrivilege 2956 TiWorker.exe Token: SeSecurityPrivilege 2956 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.execmd.exedescription pid process target process PID 3468 wrote to memory of 2500 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe MediaCenter.exe PID 3468 wrote to memory of 2500 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe MediaCenter.exe PID 3468 wrote to memory of 2500 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe MediaCenter.exe PID 3468 wrote to memory of 3768 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe cmd.exe PID 3468 wrote to memory of 3768 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe cmd.exe PID 3468 wrote to memory of 3768 3468 0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe cmd.exe PID 3768 wrote to memory of 1608 3768 cmd.exe PING.EXE PID 3768 wrote to memory of 1608 3768 cmd.exe PING.EXE PID 3768 wrote to memory of 1608 3768 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe"C:\Users\Admin\AppData\Local\Temp\0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2500
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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\0046fa86e5ad1bbca039b611ffb857d82b20e5be272b19b83aa1dc6c90df47c4.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1608
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1824
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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:3656
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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:2956
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
08952c0121ca63479f2b809dae361748
SHA18bd029a5b9161c660ad7c3cc1a8c7f5b6d3b32a1
SHA256a7703d2a5e41c2a4952c422bd87b2c3a9d170eae5b3a3bf6d4d0b1bc70f92ce1
SHA51225891094031771dfc48a7285a04d6e6faaef40a34093748adc1ca041eda49106b2d1274ae2e62e3c358c2f9da8d1d18418a4b9a1f5d5eed78eca48c4ded637d0
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MD5
08952c0121ca63479f2b809dae361748
SHA18bd029a5b9161c660ad7c3cc1a8c7f5b6d3b32a1
SHA256a7703d2a5e41c2a4952c422bd87b2c3a9d170eae5b3a3bf6d4d0b1bc70f92ce1
SHA51225891094031771dfc48a7285a04d6e6faaef40a34093748adc1ca041eda49106b2d1274ae2e62e3c358c2f9da8d1d18418a4b9a1f5d5eed78eca48c4ded637d0