Analysis
- max time kernel
171s - max time network
181s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 11:28
Static task
static1
Behavioral task
behavioral1
Sample
044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe
- Size 92KB
- Sample220212-nlbjdaddfl
- SHA256 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d
- MD5 83685969c7799f39088518ed5827b5a8
- SHA1 a57f07816facce0808b1b531efb99f7f96b05df0
- SHA512 9b6823d18a94060b24c2f1d4d4d649a34832aa3f2ee784dc66b549aca733a40725baf035a99c42bc59d0460f0f638926d3231ecd1f585ea4891b7bbb247a7dd7
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x00060000000216d0-130.dat family_sakula behavioral2/files/0x00060000000216d0-131.dat family_sakula - suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
- suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
- Executes dropped EXE 1 IoCs
pid Process 3944 MediaCenter.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe - Drops file in Windows directory 3 IoCs
description 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.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process 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\UploadCount = "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 = "8.334729" 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\PeerInfoCount = "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\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\GroupConnectionCount = "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\UploadRatePct = "100" 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\Settings 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 = "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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateBkCnt = "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 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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.666749" 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\InternetConnectionCount = "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\MonthlyUploadRestriction = "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\MonthID = "2" 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 = "4376" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893167015651478" 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 - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2276 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe Token: SeRestorePrivilege 3440 TiWorker.exe Token: SeSecurityPrivilege 3440 TiWorker.exe Token: SeBackupPrivilege 3440 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2112 wrote to memory of 3944 2112 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe 66 PID 2112 wrote to memory of 3944 2112 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe 66 PID 2112 wrote to memory of 3944 2112 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe 66 PID 2112 wrote to memory of 2664 2112 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe 76 PID 2112 wrote to memory of 2664 2112 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe 76 PID 2112 wrote to memory of 2664 2112 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe 76 PID 2664 wrote to memory of 2276 2664 cmd.exe 78 PID 2664 wrote to memory of 2276 2664 cmd.exe 78 PID 2664 wrote to memory of 2276 2664 cmd.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe"C:\Users\Admin\AppData\Local\Temp\044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3944
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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\044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2276
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3464
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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:3468
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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:3440