Analysis
- max time kernel
157s - max time network
169s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 05:07
Static task
static1
Behavioral task
behavioral1
Sample
139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe
- Size 150KB
- Sample220212-fsbhyshhdn
- SHA256 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49
- MD5 78d537a1cfccfe095217742a05b5b6b2
- SHA1 49da1a81f30295444e1de1dca8bd3af32d3350a7
- SHA512 60606fda9e531748962efa40be38af05bb87fb1466bbd55f6f41b3fffc7ec34c98018e5be60727ff7b6885edf60cc6c1bdbc26b2fdf7b5f5182efa5fccacba8a
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000500000001e78b-130.dat family_sakula behavioral2/files/0x000500000001e78b-131.dat family_sakula - suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
- suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
- Executes dropped EXE 1 IoCs
pid Process 4288 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 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.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" 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.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 1068 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4380 svchost.exe Token: SeCreatePagefilePrivilege 4380 svchost.exe Token: SeShutdownPrivilege 4380 svchost.exe Token: SeCreatePagefilePrivilege 4380 svchost.exe Token: SeShutdownPrivilege 4380 svchost.exe Token: SeCreatePagefilePrivilege 4380 svchost.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeIncBasePriorityPrivilege 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe Token: SeBackupPrivilege 3060 TiWorker.exe Token: SeRestorePrivilege 3060 TiWorker.exe Token: SeSecurityPrivilege 3060 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3176 wrote to memory of 4288 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe 82 PID 3176 wrote to memory of 4288 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe 82 PID 3176 wrote to memory of 4288 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe 82 PID 3176 wrote to memory of 3156 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe 100 PID 3176 wrote to memory of 3156 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe 100 PID 3176 wrote to memory of 3156 3176 139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe 100 PID 3156 wrote to memory of 1068 3156 cmd.exe 102 PID 3156 wrote to memory of 1068 3156 cmd.exe 102 PID 3156 wrote to memory of 1068 3156 cmd.exe 102
Processes
-
C:\Users\Admin\AppData\Local\Temp\139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe"C:\Users\Admin\AppData\Local\Temp\139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4288
-
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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\139a36462058fbfb45ca00dadeb16372df28707971accb286764845d62935c49.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1068
-
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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:4380
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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:3060