Analysis
- max time kernel
146s - max time network
177s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 12:53
Static task
static1
Behavioral task
behavioral1
Sample
001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe
- Size 116KB
- Sample220212-p4qlpaeccp
- SHA256 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a
- MD5 de1ddc0a7cb7357a4f58f69eaad97863
- SHA1 28409e3d498ed4fe183026a1c0c884ffaf1225bd
- SHA512 a3008c2e5f507b0972cdc823c48379624bfd4a0dc29d1fa380b0745b4cb5186221f7af979debe82812f016e6ebcd99504ff090a4f57787ecaf16db8bb2287b3d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 4 IoCs
resource yara_rule behavioral2/files/0x000600000001e7cd-130.dat family_sakula behavioral2/files/0x000600000001e7cd-131.dat family_sakula behavioral2/memory/1628-132-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/2532-136-0x0000000000400000-0x0000000000420000-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 2532 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 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.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" 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 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 - 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 4500 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe Token: SeShutdownPrivilege 4648 svchost.exe Token: SeCreatePagefilePrivilege 4648 svchost.exe Token: SeShutdownPrivilege 4648 svchost.exe Token: SeCreatePagefilePrivilege 4648 svchost.exe Token: SeShutdownPrivilege 4648 svchost.exe Token: SeCreatePagefilePrivilege 4648 svchost.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe Token: SeBackupPrivilege 1940 TiWorker.exe Token: SeRestorePrivilege 1940 TiWorker.exe Token: SeSecurityPrivilege 1940 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1628 wrote to memory of 2532 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe 82 PID 1628 wrote to memory of 2532 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe 82 PID 1628 wrote to memory of 2532 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe 82 PID 1628 wrote to memory of 4288 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe 92 PID 1628 wrote to memory of 4288 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe 92 PID 1628 wrote to memory of 4288 1628 001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe 92 PID 4288 wrote to memory of 4500 4288 cmd.exe 96 PID 4288 wrote to memory of 4500 4288 cmd.exe 96 PID 4288 wrote to memory of 4500 4288 cmd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe"C:\Users\Admin\AppData\Local\Temp\001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:2532
-
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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\001588d2dc87594c54abf313af7cbe72b5138b16c253b7356038c9213a3f8a1a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4500
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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:4648
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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:1940