Analysis Overview
SHA256
61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a
Threat Level: Known bad
The file 61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a was found to be: Known bad.
Malicious Activity Summary
ISR Stealer Payload
Isrstealer family
NirSoft MailPassView
Nirsoft
UPX packed file
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-03-08 17:08
Signatures
ISR Stealer Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Isrstealer family
Analysis: behavioral1
Detonation Overview
Submitted
2022-03-08 17:08
Reported
2022-03-08 17:13
Platform
win7-en-20211208
Max time kernel
119s
Max time network
129s
Command Line
Signatures
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1648 set thread context of 1272 | N/A | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe |
| PID 1648 set thread context of 268 | N/A | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
"C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe"
C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\hXBBxIYLuQ.ini"
C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\51MvecwCxa.ini"
Network
Files
memory/1272-57-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1272-59-0x0000000075021000-0x0000000075023000-memory.dmp
memory/1272-60-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1272-61-0x0000000000400000-0x0000000000453000-memory.dmp
memory/268-62-0x0000000000400000-0x000000000041F000-memory.dmp
memory/268-66-0x0000000000400000-0x000000000041F000-memory.dmp
memory/268-65-0x0000000000400000-0x000000000041F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-03-08 17:08
Reported
2022-03-08 17:12
Platform
win10v2004-en-20220112
Max time kernel
87s
Max time network
160s
Command Line
Signatures
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2968 set thread context of 464 | N/A | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe |
| PID 2968 set thread context of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
"C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe"
C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\5tSJpxgezC.ini"
C:\Users\Admin\AppData\Local\Temp\61368ae65a237202cea8082aa54d535dd8d119b4c2e272047e143eefd84e994a.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\JvzwoQekIa.ini"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| IE | 51.104.162.168:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | cp801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| NL | 184.29.205.60:443 | cp801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | oneocsp.microsoft.com | udp |
| US | 131.253.33.203:80 | oneocsp.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| NL | 104.123.41.162:80 | www.microsoft.com | tcp |
Files
memory/464-132-0x0000000000400000-0x0000000000453000-memory.dmp
memory/464-134-0x0000000000400000-0x0000000000453000-memory.dmp
memory/464-135-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3716-136-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3716-138-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3716-139-0x0000000000400000-0x000000000041F000-memory.dmp