Analysis Overview
SHA256
132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0
Threat Level: Known bad
The file 132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer Payload
ISR Stealer
Nirsoft
NirSoft MailPassView
UPX packed file
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-16 03:13
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-16 03:13
Reported
2022-06-16 03:45
Platform
win7-20220414-en
Max time kernel
84s
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 |
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 |
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 |
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 |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1704 set thread context of 1452 | N/A | C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1452 set thread context of 1612 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 1452 set thread context of 916 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe
"C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\bOylUybsJF.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\UXeWTN3r4y.ini"
Network
Files
memory/1704-54-0x0000000076241000-0x0000000076243000-memory.dmp
memory/1704-55-0x00000000745C0000-0x0000000074B6B000-memory.dmp
memory/1704-56-0x00000000745C0000-0x0000000074B6B000-memory.dmp
memory/1704-57-0x0000000000A76000-0x0000000000A87000-memory.dmp
memory/1452-58-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1704-61-0x00000000745C0000-0x0000000074B6B000-memory.dmp
memory/1704-62-0x0000000000A76000-0x0000000000A87000-memory.dmp
memory/1452-66-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1612-67-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1612-68-0x00000000004512E0-mapping.dmp
memory/1612-71-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1612-73-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1612-74-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1612-75-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1612-76-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bOylUybsJF.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/916-78-0x0000000000400000-0x000000000041F000-memory.dmp
memory/916-79-0x000000000041C410-mapping.dmp
memory/916-82-0x0000000000400000-0x000000000041F000-memory.dmp
memory/916-84-0x0000000000400000-0x000000000041F000-memory.dmp
memory/916-85-0x0000000000400000-0x000000000041F000-memory.dmp
memory/916-86-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1452-87-0x0000000000400000-0x0000000000442000-memory.dmp
memory/916-88-0x0000000000400000-0x000000000041F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-16 03:13
Reported
2022-06-16 03:45
Platform
win10v2004-20220414-en
Max time kernel
92s
Max time network
157s
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 |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| 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 |
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 808 set thread context of 4688 | N/A | C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4688 set thread context of 4776 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4688 set thread context of 112 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe
"C:\Users\Admin\AppData\Local\Temp\132056e5d63b84a40734ac2365756e9fdea92a8dbbe37dd55b26281056f7b5d0.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\WZVsy07aWa.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\BOItS6qWvq.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | honda-hcamjlg.com | udp |
| US | 20.189.173.13:443 | tcp | |
| NL | 95.101.78.209:80 | tcp |
Files
memory/808-130-0x0000000075360000-0x0000000075911000-memory.dmp
memory/4688-131-0x0000000000000000-mapping.dmp
memory/4688-132-0x0000000000400000-0x0000000000442000-memory.dmp
memory/808-134-0x0000000075360000-0x0000000075911000-memory.dmp
memory/4688-135-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4776-138-0x0000000000000000-mapping.dmp
memory/4776-139-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4776-141-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4776-143-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4776-144-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4688-145-0x0000000000400000-0x0000000000442000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\WZVsy07aWa.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/112-147-0x0000000000000000-mapping.dmp
memory/112-148-0x0000000000400000-0x000000000041F000-memory.dmp
memory/112-150-0x0000000000400000-0x000000000041F000-memory.dmp
memory/112-152-0x0000000000400000-0x000000000041F000-memory.dmp
memory/112-153-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4688-154-0x0000000000400000-0x0000000000442000-memory.dmp