Analysis
- max time kernel
152s - max time network
181s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 12:54
Static task
static1
Behavioral task
behavioral1
Sample
0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe
- Size 220KB
- Sample220212-p5dzaaecdm
- SHA256 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac
- MD5 304db1256cfc41536822fa2e7941e915
- SHA1 cd90e7d4e39c3d820fa6984776656d237f9bc52a
- SHA512 b643ce753da692e9d08144d16c23fd1434b7db7fb036564d23ec0a6d38c6f04831e90ab4428be61d49146ed8a360121ef000c51e155342629ae495611225e5a5
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000c00000001e7b1-133.dat family_sakula behavioral2/files/0x000c00000001e7b1-134.dat family_sakula behavioral2/memory/1480-138-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4604-139-0x0000000000400000-0x0000000000420000-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 4604 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 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.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" 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.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 3464 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4784 svchost.exe Token: SeCreatePagefilePrivilege 4784 svchost.exe Token: SeShutdownPrivilege 4784 svchost.exe Token: SeCreatePagefilePrivilege 4784 svchost.exe Token: SeShutdownPrivilege 4784 svchost.exe Token: SeCreatePagefilePrivilege 4784 svchost.exe Token: SeIncBasePriorityPrivilege 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe Token: SeBackupPrivilege 2116 TiWorker.exe Token: SeRestorePrivilege 2116 TiWorker.exe Token: SeSecurityPrivilege 2116 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1480 wrote to memory of 4604 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe 82 PID 1480 wrote to memory of 4604 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe 82 PID 1480 wrote to memory of 4604 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe 82 PID 1480 wrote to memory of 3400 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe 91 PID 1480 wrote to memory of 3400 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe 91 PID 1480 wrote to memory of 3400 1480 0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe 91 PID 3400 wrote to memory of 3464 3400 cmd.exe 94 PID 3400 wrote to memory of 3464 3400 cmd.exe 94 PID 3400 wrote to memory of 3464 3400 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe"C:\Users\Admin\AppData\Local\Temp\0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4604
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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\0002eb2dc8868dd7334f823265bc457f495d07e2cb5f2660d1d0b1ef6dc26eac.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:3464
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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:4784
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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:2116