Analysis Overview
SHA256
91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88
Threat Level: Known bad
The file 91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
ISR Stealer
UPX packed file
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
AutoIT Executable
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-03 02:23
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-03 02:23
Reported
2022-10-03 07:42
Platform
win7-20220812-en
Max time kernel
38s
Max time network
45s
Command Line
Signatures
ISR Stealer
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 112 set thread context of 1688 | N/A | C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe | C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe
"C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe"
C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe
"C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe"
C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
Files
memory/1488-54-0x0000000076681000-0x0000000076683000-memory.dmp
memory/112-55-0x0000000000400000-0x0000000000432000-memory.dmp
memory/112-56-0x0000000000400000-0x0000000000432000-memory.dmp
memory/112-58-0x0000000000400000-0x0000000000432000-memory.dmp
memory/112-60-0x0000000000000000-mapping.dmp
memory/112-61-0x0000000000400000-0x0000000000432000-memory.dmp
memory/1688-64-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1688-65-0x00000000004512E0-mapping.dmp
memory/1688-68-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1688-69-0x0000000000400000-0x0000000000453000-memory.dmp
memory/112-70-0x0000000000400000-0x0000000000432000-memory.dmp
memory/1688-71-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1688-72-0x0000000000400000-0x0000000000453000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-03 02:23
Reported
2022-10-03 07:41
Platform
win10v2004-20220901-en
Max time kernel
94s
Max time network
131s
Command Line
Signatures
ISR Stealer
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5092 set thread context of 1728 | N/A | C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe | C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe
"C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe"
C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe
"C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe"
C:\Users\Admin\AppData\Local\Temp\91e3e9cc577255c3515aabc14fc485521098421bc7d77c9bab64fbe9c7b5ab88.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
| Country | Destination | Domain | Proto |
| US | 20.42.72.131:443 | tcp | |
| BE | 67.24.25.254:80 | tcp | |
| BE | 67.24.25.254:80 | tcp | |
| BE | 67.24.25.254:80 | tcp | |
| US | 8.8.8.8:53 | 106.89.54.20.in-addr.arpa | udp |
Files
memory/5092-132-0x0000000000000000-mapping.dmp
memory/5092-133-0x0000000000400000-0x0000000000432000-memory.dmp
memory/1728-136-0x0000000000000000-mapping.dmp
memory/1728-137-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5092-140-0x0000000000400000-0x0000000000432000-memory.dmp
memory/1728-139-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1728-141-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1728-142-0x0000000000400000-0x0000000000453000-memory.dmp