Analysis
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max time kernel
173s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
12-02-2022 06:11
Static task
static1
Behavioral task
behavioral1
Sample
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe
Resource
win10v2004-en-20220112
General
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Target
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe
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Size
101KB
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MD5
67dcb9338e553d2f4877c4883693bd61
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SHA1
85f591c0878dd4280c61ac1c7ba07ea4555e439c
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SHA256
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3
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SHA512
5b79423534c84ca32354463604d8ffb0e0d1503cf4b66a9df00a3676a6662a95f1e0d6716856cbd300ef579351995853072f22d74eef896d79bb72a9bb865965
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 3704 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.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 19 IoCs
Processes:
svchost.exedescription ioc process 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\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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2" 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\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\DownloadMonthlyRateFrCnt = "0" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exeTiWorker.exedescription pid process Token: SeIncBasePriorityPrivilege 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe Token: SeBackupPrivilege 2092 TiWorker.exe Token: SeRestorePrivilege 2092 TiWorker.exe Token: SeSecurityPrivilege 2092 TiWorker.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.execmd.exedescription pid process target process PID 2560 wrote to memory of 3704 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe MediaCenter.exe PID 2560 wrote to memory of 3704 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe MediaCenter.exe PID 2560 wrote to memory of 3704 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe MediaCenter.exe PID 2560 wrote to memory of 2548 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe cmd.exe PID 2560 wrote to memory of 2548 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe cmd.exe PID 2560 wrote to memory of 2548 2560 10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe cmd.exe PID 2548 wrote to memory of 3596 2548 cmd.exe PING.EXE PID 2548 wrote to memory of 3596 2548 cmd.exe PING.EXE PID 2548 wrote to memory of 3596 2548 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe"C:\Users\Admin\AppData\Local\Temp\10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3704 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10a6d672cba59c5d5ede4625fbf2ed40965abd29716ff3a599f387a2542954e3.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3596
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3392
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:2924
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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:2092
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
fd01752aa1107a485753181e2e29ee4c
SHA1a2adde54abc78835a04e93c49779a160d33dcb53
SHA256dc541a1b6996091d598ef5f9fb1adc0c0d3c907912581b79beb7767a5744f58c
SHA5127679f557e977bef09ac90c6fd3b0f837e3688639b82eaa2d34458fa76a6f146a39c11adba7354e99e99173460b4f050cd6c05335ced132c6de19eb41e6b67963
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MD5
fd01752aa1107a485753181e2e29ee4c
SHA1a2adde54abc78835a04e93c49779a160d33dcb53
SHA256dc541a1b6996091d598ef5f9fb1adc0c0d3c907912581b79beb7767a5744f58c
SHA5127679f557e977bef09ac90c6fd3b0f837e3688639b82eaa2d34458fa76a6f146a39c11adba7354e99e99173460b4f050cd6c05335ced132c6de19eb41e6b67963