Analysis
- max time kernel
154s - max time network
170s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
08/02/2022, 03:28
Static task
static1
Behavioral task
behavioral1
Sample
PO#58392117.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PO#58392117.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target PO#58392117.exe
- Size 404KB
- Sample220208-d1c1mscfbp
- SHA256 0f981debcc6e67dde58505fc76b59d00072e9b13237d1376fea5cf9f95e6e2ed
- MD5 f80b19c4f5c977b44c26f2e7565b6896
- SHA1 e244aa3c983313cdaf46b0f94b74cadc2a570dbf
- SHA512 f82cc566725783086293a02eb7140663e0105d338f9ac5047eb1cc13accceee4392ab081537104a5dab7e13dade6759e2a21722eea8e80a1a25aa6c32bcdb6a9
- MD5 SHA1 SHA512
Malware Config
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- suricata: ET MALWARE AZORult v3.3 Server Response M3
suricata: ET MALWARE AZORult v3.3 Server Response M3
- suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13
- 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 PO#58392117.exe - Loads dropped DLL 5 IoCs
pid Process 1536 PO#58392117.exe 4340 PO#58392117.exe 4340 PO#58392117.exe 4340 PO#58392117.exe 4340 PO#58392117.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook PO#58392117.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook PO#58392117.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook PO#58392117.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Windows directory 8 IoCs
description ioc Process 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 File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString PO#58392117.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 PO#58392117.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1856 timeout.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4340 PO#58392117.exe 4340 PO#58392117.exe - Suspicious use of AdjustPrivilegeToken 39 IoCs
description pid Process Token: SeShutdownPrivilege 4844 svchost.exe Token: SeCreatePagefilePrivilege 4844 svchost.exe Token: SeShutdownPrivilege 4844 svchost.exe Token: SeCreatePagefilePrivilege 4844 svchost.exe Token: SeShutdownPrivilege 4844 svchost.exe Token: SeCreatePagefilePrivilege 4844 svchost.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe Token: SeBackupPrivilege 4868 TiWorker.exe Token: SeRestorePrivilege 4868 TiWorker.exe Token: SeSecurityPrivilege 4868 TiWorker.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 1536 wrote to memory of 4340 1536 PO#58392117.exe 84 PID 4340 wrote to memory of 628 4340 PO#58392117.exe 87 PID 4340 wrote to memory of 628 4340 PO#58392117.exe 87 PID 4340 wrote to memory of 628 4340 PO#58392117.exe 87 PID 628 wrote to memory of 1856 628 cmd.exe 89 PID 628 wrote to memory of 1856 628 cmd.exe 89 PID 628 wrote to memory of 1856 628 cmd.exe 89 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook PO#58392117.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook PO#58392117.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#58392117.exe"C:\Users\Admin\AppData\Local\Temp\PO#58392117.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Users\Admin\AppData\Local\Temp\PO#58392117.exe"C:\Users\Admin\AppData\Local\Temp\PO#58392117.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4340 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "PO#58392117.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
PID:1856
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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:4844
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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:4868