Analysis
- max time kernel
155s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 03:29
Static task
static1
Behavioral task
behavioral1
Sample
177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe
- Size 220KB
- Sample220212-d2aa5shadm
- SHA256 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209
- MD5 dc3853de9b041682bd162c573fe10b58
- SHA1 26271116d67b71225b9a30cd815b2df5ae3e9db4
- SHA512 efe65ecd267e82b6b1e9a93ee57951d661359638cbcf04befdad1fb454d3203f194597f880f535672fed4e0b381154db9153f018731dbcc95e33b7f63efdd81d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000900000001e793-130.dat family_sakula behavioral2/files/0x000900000001e793-131.dat family_sakula behavioral2/memory/4676-135-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/1604-136-0x0000000000400000-0x0000000000420000-memory.dmp 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 1604 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 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.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" 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.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 1356 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4756 svchost.exe Token: SeCreatePagefilePrivilege 4756 svchost.exe Token: SeShutdownPrivilege 4756 svchost.exe Token: SeCreatePagefilePrivilege 4756 svchost.exe Token: SeShutdownPrivilege 4756 svchost.exe Token: SeCreatePagefilePrivilege 4756 svchost.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe Token: SeRestorePrivilege 2292 TiWorker.exe Token: SeSecurityPrivilege 2292 TiWorker.exe Token: SeBackupPrivilege 2292 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4676 wrote to memory of 1604 4676 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe 82 PID 4676 wrote to memory of 1604 4676 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe 82 PID 4676 wrote to memory of 1604 4676 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe 82 PID 4676 wrote to memory of 528 4676 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe 102 PID 4676 wrote to memory of 528 4676 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe 102 PID 4676 wrote to memory of 528 4676 177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe 102 PID 528 wrote to memory of 1356 528 cmd.exe 104 PID 528 wrote to memory of 1356 528 cmd.exe 104 PID 528 wrote to memory of 1356 528 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe"C:\Users\Admin\AppData\Local\Temp\177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1604
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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\177e703a68de3b6a4a16e6edfd872ccf19df818e576ceea44e70ca9c10284209.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1356
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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:4756
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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:2292