Analysis Overview
SHA256
05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829
Threat Level: Known bad
The file 05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829 was found to be: Known bad.
Malicious Activity Summary
Taurus Stealer Payload
Taurus Stealer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Reads user/profile data of web browsers
Checks BIOS information in registry
Identifies Wine through registry keys
Deletes itself
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-09 13:48
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-09 13:48
Reported
2022-03-09 13:50
Platform
win7-20220223-en
Max time kernel
4294181s
Max time network
124s
Command Line
Signatures
Taurus Stealer
Taurus Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe
"C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | deplicate.website | udp |
Files
memory/1668-54-0x00000000753E1000-0x00000000753E3000-memory.dmp
memory/1668-55-0x0000000076EA0000-0x0000000077020000-memory.dmp
memory/1668-58-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/1668-56-0x0000000000AE0000-0x0000000001D59000-memory.dmp
memory/1668-57-0x00000000004D0000-0x00000000004D1000-memory.dmp
memory/1668-59-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/1668-60-0x00000000004F0000-0x00000000004F1000-memory.dmp
memory/1668-61-0x0000000000500000-0x0000000000501000-memory.dmp
memory/1668-62-0x0000000000510000-0x0000000000511000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-09 13:48
Reported
2022-03-09 13:50
Platform
win10v2004-en-20220113
Max time kernel
128s
Max time network
155s
Command Line
Signatures
Taurus Stealer
Taurus Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4560 wrote to memory of 4540 | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4560 wrote to memory of 4540 | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4560 wrote to memory of 4540 | N/A | C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4540 wrote to memory of 3404 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 4540 wrote to memory of 3404 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 4540 wrote to memory of 3404 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe
"C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\05ff590ae87979f8182c32f99f0cc19eb4fe5429ad2d8b8ff8138a425ee9c829.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| NL | 178.79.208.1:80 | tcp | |
| SK | 185.201.236.109:443 | tcp | |
| US | 8.8.8.8:53 | deplicate.website | udp |
| US | 72.21.81.240:80 | tcp | |
| US | 72.21.81.240:80 | tcp | |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 20.189.173.15:443 | tcp | |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.2.0.0.0.0.2.0.1.3.0.6.2.ip6.arpa | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
Files
memory/4560-130-0x0000000077BB0000-0x0000000077D53000-memory.dmp
memory/4560-131-0x0000000000F70000-0x00000000021E9000-memory.dmp
memory/4560-132-0x0000000003800000-0x0000000003801000-memory.dmp
memory/4560-133-0x0000000003810000-0x0000000003811000-memory.dmp