Analysis
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max time kernel
151s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 09:21
Static task
static1
Behavioral task
behavioral1
Sample
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe
Resource
win10v2004-en-20220112
General
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Target
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe
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Size
80KB
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MD5
3df0a16cd79bdeeea9942c3476de8913
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SHA1
1cab9e6b21e81a68a129c13c1653ce9d7df91638
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SHA256
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844
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SHA512
e9e9fc7f4b64211d77670bbbfac222a0cae19be100be27fef584e36ba33238b0dd7c93956d410a9d32508736a1af6509cfe25e06ccad1ba17c1d191c424615fb
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 1948 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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\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 (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\MonthlyUploadRestriction = "0" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.266362" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" 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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4296" 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\Config\KVFileExpirationTime = "132893077699102059" 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\PeerInfoCount = "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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.497960" 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\CDNConnectionCount = "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\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\PriorityDownloadCount = "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\BkDownloadRatePct = "45" 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\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 (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\InternetConnectionCount = "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 = "2.174072" 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\DODownloadMode = "1" 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\DownloadMonthlyRateBkCnt = "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\NormalDownloadCount = "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\NormalDownloadPendingCount = "0" 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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe Token: SeBackupPrivilege 2464 TiWorker.exe Token: SeRestorePrivilege 2464 TiWorker.exe Token: SeSecurityPrivilege 2464 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.execmd.exedescription pid process target process PID 3764 wrote to memory of 1948 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe MediaCenter.exe PID 3764 wrote to memory of 1948 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe MediaCenter.exe PID 3764 wrote to memory of 1948 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe MediaCenter.exe PID 3764 wrote to memory of 2068 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe cmd.exe PID 3764 wrote to memory of 2068 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe cmd.exe PID 3764 wrote to memory of 2068 3764 0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe cmd.exe PID 2068 wrote to memory of 2116 2068 cmd.exe PING.EXE PID 2068 wrote to memory of 2116 2068 cmd.exe PING.EXE PID 2068 wrote to memory of 2116 2068 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe"C:\Users\Admin\AppData\Local\Temp\0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a52c64f0963d5334d47924640ce13da3a93d42cb05d141fcc05eb42a18fc844.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2116
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1296
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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:3408
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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:2464
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
c643244236f460f745754e92e342e353
SHA1ef295f6a4b15bd2ec266863c5739df1f9dadfa8b
SHA256ede25640b3c08a417c549ec3e0f20b2b7b61c7b6fb05cf743b0230a747b0cf2a
SHA5123d7cfc5f4fcd92aef27b3b4645b627a2b65eefcbf834df6197ac583eb5945617300eeaab99bdeace0f9f783abe020f30cb3735ee7c15f6203dea3c8aa259201a
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
c643244236f460f745754e92e342e353
SHA1ef295f6a4b15bd2ec266863c5739df1f9dadfa8b
SHA256ede25640b3c08a417c549ec3e0f20b2b7b61c7b6fb05cf743b0230a747b0cf2a
SHA5123d7cfc5f4fcd92aef27b3b4645b627a2b65eefcbf834df6197ac583eb5945617300eeaab99bdeace0f9f783abe020f30cb3735ee7c15f6203dea3c8aa259201a