Analysis
- max time kernel
141s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 04:48
Static task
static1
Behavioral task
behavioral1
Sample
145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe
- Size 80KB
- Sample220212-fff8nshfhp
- SHA256 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd
- MD5 4227ae41af8a5c67010e4a09a7cd163b
- SHA1 9c1ab446d1774c9c9971cb024fa65bb182980f3d
- SHA512 19f7dd5a2c870b545fd6a5e2c221d0d12b674500d09bc9cb6d63b8fc9a968d95b8c6b4d02f310204a5e96b0c870aba14d6f981a7ca993c8207be9c03b3966087
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000400000001e8c8-130.dat family_sakula behavioral2/files/0x000400000001e8c8-131.dat family_sakula - Executes dropped EXE 1 IoCs
pid Process 3624 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 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.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" 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe 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 - 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 3444 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 5092 svchost.exe Token: SeCreatePagefilePrivilege 5092 svchost.exe Token: SeShutdownPrivilege 5092 svchost.exe Token: SeCreatePagefilePrivilege 5092 svchost.exe Token: SeShutdownPrivilege 5092 svchost.exe Token: SeCreatePagefilePrivilege 5092 svchost.exe Token: SeIncBasePriorityPrivilege 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe Token: SeBackupPrivilege 5032 TiWorker.exe Token: SeRestorePrivilege 5032 TiWorker.exe Token: SeSecurityPrivilege 5032 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4840 wrote to memory of 3624 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe 82 PID 4840 wrote to memory of 3624 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe 82 PID 4840 wrote to memory of 3624 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe 82 PID 4840 wrote to memory of 2968 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe 99 PID 4840 wrote to memory of 2968 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe 99 PID 4840 wrote to memory of 2968 4840 145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe 99 PID 2968 wrote to memory of 3444 2968 cmd.exe 101 PID 2968 wrote to memory of 3444 2968 cmd.exe 101 PID 2968 wrote to memory of 3444 2968 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe"C:\Users\Admin\AppData\Local\Temp\145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3624
-
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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\145a9255bc0b5466bf0dd73abdfab59dff812f4605d2c2a9573db5dd2d4565cd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3444
-
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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:5092
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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:5032