Analysis
- max time kernel
154s - max time network
165s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 12:52
Static task
static1
Behavioral task
behavioral1
Sample
0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe
- Size 79KB
- Sample220212-p3284aecck
- SHA256 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631
- MD5 7bb3b9fe1fe7b08d00ea1f008f7539ac
- SHA1 acdaa49d374fc331729d0bf7b96d0e08ec8a74a8
- SHA512 d88dccb034a76838f765cd72093f34f7985a856ea17995de8e2a3bf59c51145eb3682a873145558f6b8f676a432132f6c50cef6ace1b545d55ef740f2ed677bd
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e8c2-130.dat family_sakula behavioral2/files/0x000400000001e8c2-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 4696 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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.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" 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log 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 File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 1968 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe Token: SeShutdownPrivilege 4320 svchost.exe Token: SeCreatePagefilePrivilege 4320 svchost.exe Token: SeShutdownPrivilege 4320 svchost.exe Token: SeCreatePagefilePrivilege 4320 svchost.exe Token: SeShutdownPrivilege 4320 svchost.exe Token: SeCreatePagefilePrivilege 4320 svchost.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe Token: SeBackupPrivilege 2100 TiWorker.exe Token: SeRestorePrivilege 2100 TiWorker.exe Token: SeSecurityPrivilege 2100 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3048 wrote to memory of 4696 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe 81 PID 3048 wrote to memory of 4696 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe 81 PID 3048 wrote to memory of 4696 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe 81 PID 3048 wrote to memory of 3308 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe 90 PID 3048 wrote to memory of 3308 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe 90 PID 3048 wrote to memory of 3308 3048 0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe 90 PID 3308 wrote to memory of 1968 3308 cmd.exe 92 PID 3308 wrote to memory of 1968 3308 cmd.exe 92 PID 3308 wrote to memory of 1968 3308 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe"C:\Users\Admin\AppData\Local\Temp\0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4696
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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\0022a144f0296ebf6dbb98e7e044cd4f94e564e8c2aae9962e5067b5c0184631.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3308 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1968
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4320
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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:2100