Analysis Overview
SHA256
ff18c6551b984365758e45a28561521883ae4abf3e45c05b27eefed26d8cce8d
Threat Level: Known bad
The file Taurus.exe was found to be: Known bad.
Malicious Activity Summary
Taurus Stealer
Taurus Stealer Payload
Deletes itself
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-09-07 06:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-07 06:28
Reported
2021-09-07 06:30
Platform
win7-en
Max time kernel
136s
Max time network
139s
Command Line
Signatures
Taurus Stealer
Taurus Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1840 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1840 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1840 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1840 wrote to memory of 548 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 548 wrote to memory of 1140 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 548 wrote to memory of 1140 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 548 wrote to memory of 1140 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 548 wrote to memory of 1140 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Taurus.exe
"C:\Users\Admin\AppData\Local\Temp\Taurus.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\Taurus.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| NL | 5.39.222.46:80 | 5.39.222.46 | tcp |
| NL | 5.39.222.46:80 | 5.39.222.46 | tcp |
Files
memory/1840-53-0x00000000002D0000-0x0000000000305000-memory.dmp
memory/1840-54-0x00000000758D1000-0x00000000758D3000-memory.dmp
memory/1840-55-0x0000000000400000-0x0000000005FE8000-memory.dmp
memory/548-56-0x0000000000000000-mapping.dmp
memory/1140-57-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-09-07 06:28
Reported
2021-09-07 06:31
Platform
win10-en
Max time kernel
49s
Max time network
135s
Command Line
Signatures
Taurus Stealer
Taurus Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 744 wrote to memory of 3560 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 744 wrote to memory of 3560 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 744 wrote to memory of 3560 | N/A | C:\Users\Admin\AppData\Local\Temp\Taurus.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3560 wrote to memory of 3612 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3560 wrote to memory of 3612 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3560 wrote to memory of 3612 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Taurus.exe
"C:\Users\Admin\AppData\Local\Temp\Taurus.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\Taurus.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| NL | 5.39.222.46:80 | 5.39.222.46 | tcp |
| NL | 5.39.222.46:80 | 5.39.222.46 | tcp |
Files
memory/744-115-0x0000000005FF0000-0x000000000609E000-memory.dmp
memory/744-116-0x0000000000400000-0x0000000005FE8000-memory.dmp
memory/3560-117-0x0000000000000000-mapping.dmp
memory/3612-118-0x0000000000000000-mapping.dmp