Analysis
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max time kernel
169s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 07:32
Static task
static1
Behavioral task
behavioral1
Sample
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe
Resource
win10v2004-en-20220112
General
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Target
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe
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Size
216KB
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MD5
e1391b213f4e85f2438b5fb3dd2f516e
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SHA1
170e0787adfbe53acb492576288163a07f787574
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SHA256
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2
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SHA512
042b970d99553b65140521759e4e40054d5c171307b604265d0273135f859756f9d447468a0d615082109bd1ca7d9e311b9063502741957c0e2fe9261bd6e924
Malware Config
Signatures
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Sakula Payload 4 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 behavioral2/memory/1804-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/512-133-0x0000000000400000-0x0000000000420000-memory.dmp 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 512 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.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 -
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 45 IoCs
Processes:
svchost.exedescription ioc process 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\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\DownlinkUsageBps = "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\Usage\DownloadMonthlyInternetBytes = "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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\UploadMonthlyInternetBytes = "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\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\Usage\MemoryUsageKB = "4132" 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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "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\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.155387" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156" 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\SwarmCount = "1" 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\DownloadMonthlyCdnBytes = "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\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\UplinkBps = "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\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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe Token: SeBackupPrivilege 2996 TiWorker.exe Token: SeRestorePrivilege 2996 TiWorker.exe Token: SeSecurityPrivilege 2996 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.execmd.exedescription pid process target process PID 1804 wrote to memory of 512 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe MediaCenter.exe PID 1804 wrote to memory of 512 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe MediaCenter.exe PID 1804 wrote to memory of 512 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe MediaCenter.exe PID 1804 wrote to memory of 1948 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe cmd.exe PID 1804 wrote to memory of 1948 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe cmd.exe PID 1804 wrote to memory of 1948 1804 0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe cmd.exe PID 1948 wrote to memory of 3448 1948 cmd.exe PING.EXE PID 1948 wrote to memory of 3448 1948 cmd.exe PING.EXE PID 1948 wrote to memory of 3448 1948 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe"C:\Users\Admin\AppData\Local\Temp\0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.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:512 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3448
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:3292
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:1868
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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:2996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
48992ae240bcde5c7ffac61653264fbd
SHA1ee69a8e62c6dbb6ef8ce9587a8f7e109d84e06c9
SHA25634e165984a1e4509195ebdafa96218458f19d102448735464d627a1fa42742e4
SHA512af45a4a2d20d2b187e92d1b7a3f206bf01475da2543258609871044af2b8f7c0c371910bd4d290983ab801d34778952131d2f4c881f4419b5babe098e05ddb2e
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MD5
48992ae240bcde5c7ffac61653264fbd
SHA1ee69a8e62c6dbb6ef8ce9587a8f7e109d84e06c9
SHA25634e165984a1e4509195ebdafa96218458f19d102448735464d627a1fa42742e4
SHA512af45a4a2d20d2b187e92d1b7a3f206bf01475da2543258609871044af2b8f7c0c371910bd4d290983ab801d34778952131d2f4c881f4419b5babe098e05ddb2e