Analysis Overview
SHA256
2bc33396eeb4553f5c5187d16d426d71bc7156c9bcc7c7fd7bce43b29447e6ab
Threat Level: Known bad
The file 2bc33.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
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-07-27 13:05
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-07-27 13:05
Reported
2021-07-27 13:08
Platform
win7v20210408
Max time kernel
43s
Max time network
68s
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 1240 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1240 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1240 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1240 wrote to memory of 864 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 864 wrote to memory of 1848 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 864 wrote to memory of 1848 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 864 wrote to memory of 1848 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 864 wrote to memory of 1848 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2bc33.exe
"C:\Users\Admin\AppData\Local\Temp\2bc33.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\2bc33.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | legend0.ru | udp |
Files
memory/1240-60-0x0000000074D91000-0x0000000074D93000-memory.dmp
memory/1240-61-0x0000000000220000-0x0000000000258000-memory.dmp
memory/1240-62-0x0000000000400000-0x0000000000851000-memory.dmp
memory/864-63-0x0000000000000000-mapping.dmp
memory/1848-64-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-27 13:05
Reported
2021-07-27 13:07
Platform
win10v20210410
Max time kernel
10s
Max time network
112s
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 2256 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2256 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2256 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\2bc33.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3060 wrote to memory of 1328 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3060 wrote to memory of 1328 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 3060 wrote to memory of 1328 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2bc33.exe
"C:\Users\Admin\AppData\Local\Temp\2bc33.exe"
C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\2bc33.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 3
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | legend0.ru | udp |
Files
memory/2256-114-0x00000000008F0000-0x0000000000A3A000-memory.dmp
memory/2256-115-0x0000000000400000-0x0000000000851000-memory.dmp
memory/3060-116-0x0000000000000000-mapping.dmp
memory/1328-117-0x0000000000000000-mapping.dmp