Analysis
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max time kernel
158s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 12:06
Static task
static1
Behavioral task
behavioral1
Sample
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe
Resource
win10v2004-en-20220112
General
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Target
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe
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Size
99KB
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MD5
bf47be29c6c975e59e4e1f1e779bc270
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SHA1
c9bd4aa6db351bef277412984942cb0b331707f9
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SHA256
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf
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SHA512
336c4c5c5121ade5219c87b48d0d8284253be903cba9652a04b32d8b97cc975666e3665ccbdc1275bb1a8b2bf55e151aa081f53f746cbaa45a38c0d47d963181
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 2800 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe -
Drops file in Windows directory 2 IoCs
Processes:
TiWorker.exedescription ioc process 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 46 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.118110" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.251140" 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\Config\DownloadMode_BackCompat = "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\CacheSizeBytes = "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\UplinkUsageBps = "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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.887563" 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\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\DownloadMonthlyCdnBytes = "0" 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\MonthlyUploadRestriction = "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\SwarmCount = "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\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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3632" 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\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 (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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3656" 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\Config\DODownloadMode = "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\PeerInfoCount = "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\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\DownloadMonthlyRateBkCnt = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe Token: SeBackupPrivilege 692 TiWorker.exe Token: SeRestorePrivilege 692 TiWorker.exe Token: SeSecurityPrivilege 692 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.execmd.exedescription pid process target process PID 3008 wrote to memory of 2800 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe MediaCenter.exe PID 3008 wrote to memory of 2800 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe MediaCenter.exe PID 3008 wrote to memory of 2800 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe MediaCenter.exe PID 3008 wrote to memory of 432 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe cmd.exe PID 3008 wrote to memory of 432 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe cmd.exe PID 3008 wrote to memory of 432 3008 0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe cmd.exe PID 432 wrote to memory of 3824 432 cmd.exe PING.EXE PID 432 wrote to memory of 3824 432 cmd.exe PING.EXE PID 432 wrote to memory of 3824 432 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe"C:\Users\Admin\AppData\Local\Temp\0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2800 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0279708bd8c078afbe4998073b8ca045df9c81971809edafee04c1a5ec33a9cf.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3824
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:4064
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:364
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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:692
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
426202241cc0081590fc68b333179761
SHA18c3e30ff3fee65c15b506d028f4fe3f26afe7e8d
SHA2567b7e98d0cc76eaaff7b9a4d9f8c43c44d18506ae5ad03fad2cec11f791e3cb2f
SHA51206a11941dbdbdca8e1554f31901b564863c4f3f8d40b3517373474d9d9c791909cb05221c92de2ed139118c9345d51e55d7f588526f2f0d573c0938f6ca9208f
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeMD5
426202241cc0081590fc68b333179761
SHA18c3e30ff3fee65c15b506d028f4fe3f26afe7e8d
SHA2567b7e98d0cc76eaaff7b9a4d9f8c43c44d18506ae5ad03fad2cec11f791e3cb2f
SHA51206a11941dbdbdca8e1554f31901b564863c4f3f8d40b3517373474d9d9c791909cb05221c92de2ed139118c9345d51e55d7f588526f2f0d573c0938f6ca9208f