Analysis
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max time kernel
182s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:44
Static task
static1
Behavioral task
behavioral1
Sample
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe
Resource
win10v2004-en-20220112
General
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Target
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe
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Size
150KB
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MD5
4b4c77aa80c63933f0efa7da06af1227
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SHA1
3f3ebf459a4664ed98c83142f05563fd226ff792
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SHA256
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95
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SHA512
4d0e65aa43a306e86b8e378e5af1c74bd9458adf3dd6fbcbc330349578b89e69ed9d3c27c1fae39023b7bf874e8d45559dc8b44b69fc309c5838dc465affcb31
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 -
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
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suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
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Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3396 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236" 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\GroupConnectionCount = "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\UploadMonthlyLanBytes = "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\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\NormalDownloadPendingCount = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892984240838934" 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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\DownloadMonthlyCdnBytes = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.007082" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3872" 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\MonthID = "2" 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 Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.164605" 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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.562491" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.140451" 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\LinkLocalConnectionCount = "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\CacheSizeBytes = "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\BkDownloadRatePct = "45" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exe0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exedescription pid process Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeIncBasePriorityPrivilege 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe Token: SeBackupPrivilege 3360 TiWorker.exe Token: SeRestorePrivilege 3360 TiWorker.exe Token: SeSecurityPrivilege 3360 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.execmd.exedescription pid process target process PID 3312 wrote to memory of 3396 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe MediaCenter.exe PID 3312 wrote to memory of 3396 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe MediaCenter.exe PID 3312 wrote to memory of 3396 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe MediaCenter.exe PID 3312 wrote to memory of 1236 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe cmd.exe PID 3312 wrote to memory of 1236 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe cmd.exe PID 3312 wrote to memory of 1236 3312 0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe cmd.exe PID 1236 wrote to memory of 408 1236 cmd.exe PING.EXE PID 1236 wrote to memory of 408 1236 cmd.exe PING.EXE PID 1236 wrote to memory of 408 1236 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe"C:\Users\Admin\AppData\Local\Temp\0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3396 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f1adcc8a84c28177f4a27bcc58448d5288a98bfef2202c9b57592e802d17d95.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:408
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3700
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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:2636
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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:3360
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
17828a9ee5d1c78e187d948f82895a5e
SHA146e26d71504dafd073ae8af0faa2eb922cf0847e
SHA256847b28114835d71a5e4d7a115810e94e1425659c439678043dec0dd30e1c4669
SHA51294312eb58a117698e67eb9c112136ae2632a9dbc04b80ca896ca16d395046e00e933dcd75e96a8129eebd2112d1f119b698245e7ac31481ac6973e42f0779ba1
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MD5
17828a9ee5d1c78e187d948f82895a5e
SHA146e26d71504dafd073ae8af0faa2eb922cf0847e
SHA256847b28114835d71a5e4d7a115810e94e1425659c439678043dec0dd30e1c4669
SHA51294312eb58a117698e67eb9c112136ae2632a9dbc04b80ca896ca16d395046e00e933dcd75e96a8129eebd2112d1f119b698245e7ac31481ac6973e42f0779ba1