Analysis Overview
SHA256
0bd4e5e0255dc4522b82cb22b93d899792243265c4a42a8437a613694e77970d
Threat Level: Known bad
The file f4a017798debc249a211382a6ee173ae 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
2021-10-18 10:00
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-10-18 10:00
Reported
2021-10-18 10:08
Platform
win7-en-20211014
Max time kernel
151s
Max time network
150s
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 1216 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1216 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1216 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1216 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 864 wrote to memory of 960 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 864 wrote to memory of 960 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 864 wrote to memory of 960 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 864 wrote to memory of 960 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe
"C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gamesboiler.com | udp |
| US | 172.67.141.246:443 | gamesboiler.com | tcp |
Files
memory/1216-55-0x0000000002BA8000-0x0000000002BCB000-memory.dmp
memory/1216-56-0x00000000002D0000-0x0000000000308000-memory.dmp
memory/1216-57-0x0000000076531000-0x0000000076533000-memory.dmp
memory/1216-58-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/864-59-0x0000000000000000-mapping.dmp
memory/960-60-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-10-18 10:00
Reported
2021-10-18 10:08
Platform
win10-en-20211014
Max time kernel
127s
Max time network
159s
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 |
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 3584 wrote to memory of 368 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3584 wrote to memory of 368 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3584 wrote to memory of 368 | N/A | C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 368 wrote to memory of 3756 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 368 wrote to memory of 3756 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 368 wrote to memory of 3756 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe
"C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\f4a017798debc249a211382a6ee173ae.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| IE | 52.109.76.32:443 | tcp | |
| US | 8.8.8.8:53 | time.windows.com | udp |
| NL | 20.101.57.9:123 | time.windows.com | udp |
| US | 8.8.8.8:53 | gamesboiler.com | udp |
| US | 104.21.57.51:443 | gamesboiler.com | tcp |
| US | 8.8.8.8:53 | crl3.digicert.com | udp |
| US | 93.184.220.29:80 | crl3.digicert.com | tcp |
| US | 104.21.57.51:443 | gamesboiler.com | tcp |
| US | 8.8.8.8:53 | sv.symcb.com | udp |
| US | 72.21.91.29:80 | sv.symcb.com | tcp |
| US | 8.8.8.8:53 | s.symcb.com | udp |
| US | 72.21.91.29:80 | s.symcb.com | tcp |
| US | 8.8.8.8:53 | ts-crl.ws.symantec.com | udp |
| US | 72.21.91.29:80 | ts-crl.ws.symantec.com | tcp |
| US | 72.21.91.29:80 | ts-crl.ws.symantec.com | tcp |
| US | 72.21.91.29:80 | ts-crl.ws.symantec.com | tcp |
| US | 72.21.91.29:80 | ts-crl.ws.symantec.com | tcp |
Files
memory/3584-115-0x0000000002DE1000-0x0000000002E04000-memory.dmp
memory/3584-116-0x00000000001C0000-0x00000000001F8000-memory.dmp
memory/3584-117-0x0000000000400000-0x0000000002AF0000-memory.dmp
memory/368-118-0x0000000000000000-mapping.dmp
memory/3756-119-0x0000000000000000-mapping.dmp