Analysis Overview
SHA256
282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11
Threat Level: Known bad
The file 282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer Payload
ISR Stealer
Nirsoft
NirSoft MailPassView
UPX packed file
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
AutoIT Executable
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-06-16 02:04
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-16 02:04
Reported
2022-06-16 02:08
Platform
win7-20220414-en
Max time kernel
42s
Max time network
46s
Command Line
Signatures
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
Network
Files
memory/912-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-16 02:04
Reported
2022-06-16 02:09
Platform
win10v2004-20220414-en
Max time kernel
151s
Max time network
177s
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 |
NirSoft MailPassView
| 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 |
Nirsoft
| 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 |
| N/A | N/A | N/A | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4232 set thread context of 4348 | N/A | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe |
| PID 4348 set thread context of 400 | N/A | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe |
| PID 4348 set thread context of 1004 | N/A | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
"C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe"
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\nwuEH1JIUL.ini"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 400 -ip 400
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 80
C:\Users\Admin\AppData\Local\Temp\282af5294cd9e32e8c4cc3faa90fb46082571679d7d37e30aef2755ec8b71c11.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\BYKLTwXkLE.ini"
Network
| Country | Destination | Domain | Proto |
| US | 52.109.12.19:443 | tcp | |
| US | 67.24.25.254:80 | tcp | |
| US | 67.24.25.254:80 | tcp | |
| US | 20.189.173.6:443 | tcp | |
| US | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
Files
memory/4348-130-0x0000000000000000-mapping.dmp
memory/4348-131-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4348-136-0x0000000000400000-0x0000000000442000-memory.dmp
memory/400-139-0x0000000000000000-mapping.dmp
memory/1004-141-0x0000000000000000-mapping.dmp
memory/1004-142-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1004-144-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1004-145-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1004-146-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1004-147-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1004-148-0x0000000000400000-0x000000000041F000-memory.dmp