Analysis
- max time kernel
153s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
12/02/2022, 03:31
Static task
static1
Behavioral task
behavioral1
Sample
1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe
- Size 150KB
- Sample220212-d27xeahaen
- SHA256 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a
- MD5 e5ea71da25ec52883a3ac3fcfe3bbd39
- SHA1 f535d41d100cb21c30771700cba7f161e48ba552
- SHA512 d7f27b9d82294863837009a3dde37918771f4d9f25e85abca98fb9adf8382133f0b112bbc9ff2d7a4c697a87d2fd96d113d18e3d466b78fb47a65f964f17e7e1
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Sakula Payload 2 IoCs
resource yara_rule behavioral2/files/0x000800000001e8c3-130.dat family_sakula behavioral2/files/0x000800000001e8c3-131.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 3624 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 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.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" 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe - Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb 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 2988 PING.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1164 svchost.exe Token: SeCreatePagefilePrivilege 1164 svchost.exe Token: SeShutdownPrivilege 1164 svchost.exe Token: SeCreatePagefilePrivilege 1164 svchost.exe Token: SeShutdownPrivilege 1164 svchost.exe Token: SeCreatePagefilePrivilege 1164 svchost.exe Token: SeIncBasePriorityPrivilege 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe Token: SeBackupPrivilege 3492 TiWorker.exe Token: SeRestorePrivilege 3492 TiWorker.exe Token: SeSecurityPrivilege 3492 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3540 wrote to memory of 3624 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe 82 PID 3540 wrote to memory of 3624 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe 82 PID 3540 wrote to memory of 3624 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe 82 PID 3540 wrote to memory of 2376 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe 98 PID 3540 wrote to memory of 2376 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe 98 PID 3540 wrote to memory of 2376 3540 1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe 98 PID 2376 wrote to memory of 2988 2376 cmd.exe 100 PID 2376 wrote to memory of 2988 2376 cmd.exe 100 PID 2376 wrote to memory of 2988 2376 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe"C:\Users\Admin\AppData\Local\Temp\1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3624
-
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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\1773a1287854d959624e44ec8792ca42b21f8bfb3d27e77c2546818053abe10a.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2376 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2988
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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:1164
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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:3492