Analysis
- max time kernel
140s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 04:58
Static task
static1
Behavioral task
behavioral1
Sample
13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe
- Size 216KB
- Sample220212-fl8j4sgca9
- SHA256 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7
- MD5 45244d82697ac3ec5532f16213989929
- SHA1 d517554cadc9e266dfd257f886e0c5df4f648fa6
- SHA512 c046d48e5b438dd2afb66cca7061784af566ea18069be989fea191f32bd6aa85b1d3a0da50580e32a0d54dccd93354b7943361e32828d38eada49caea8fdc5ed
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000400000001e7eb-130.dat family_sakula behavioral2/files/0x000400000001e7eb-131.dat family_sakula behavioral2/memory/3996-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4872-136-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula - Executes dropped EXE 1 IoCs
pid Process 4872 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 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.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" 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 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 - 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 2796 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe Token: SeShutdownPrivilege 3832 svchost.exe Token: SeCreatePagefilePrivilege 3832 svchost.exe Token: SeShutdownPrivilege 3832 svchost.exe Token: SeCreatePagefilePrivilege 3832 svchost.exe Token: SeShutdownPrivilege 3832 svchost.exe Token: SeCreatePagefilePrivilege 3832 svchost.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe Token: SeBackupPrivilege 980 TiWorker.exe Token: SeRestorePrivilege 980 TiWorker.exe Token: SeSecurityPrivilege 980 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3996 wrote to memory of 4872 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe 82 PID 3996 wrote to memory of 4872 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe 82 PID 3996 wrote to memory of 4872 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe 82 PID 3996 wrote to memory of 1976 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe 90 PID 3996 wrote to memory of 1976 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe 90 PID 3996 wrote to memory of 1976 3996 13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe 90 PID 1976 wrote to memory of 2796 1976 cmd.exe 94 PID 1976 wrote to memory of 2796 1976 cmd.exe 94 PID 1976 wrote to memory of 2796 1976 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe"C:\Users\Admin\AppData\Local\Temp\13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4872
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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\13ed1abf5efc1946ea9e90e1265bd95c39e9c63465a628f158a4f989dbe3a4f7.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2796
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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:3832
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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:980