Analysis Overview
SHA256
348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7
Threat Level: Known bad
The file 348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
ISR Stealer
Isrstealer family
NirSoft MailPassView
Detected Nirsoft tools
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
UPX packed file
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-05 15:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-05 15:48
Reported
2024-12-05 15:50
Platform
win7-20240903-en
Max time kernel
16s
Max time network
16s
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 |
Isrstealer family
Detected Nirsoft tools
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2400 set thread context of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe |
| PID 2644 set thread context of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe |
| PID 2644 set thread context of 2560 | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe |
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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe
"C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe"
C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe
"C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe"
C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\0zg65HUxxe.ini"
C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\kxw4ah6a9t.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | hostlogs.net16.net | udp |
Files
memory/2644-0-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2400-6-0x0000000000380000-0x00000000003D5000-memory.dmp
memory/2644-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2644-5-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-3-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2984-17-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2984-16-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2984-15-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2984-14-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2984-19-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\0zg65HUxxe.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/2644-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2560-25-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2560-26-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2560-27-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2560-30-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2644-31-0x0000000000400000-0x0000000000442000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-05 15:48
Reported
2024-12-05 15:50
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
95s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe
"C:\Users\Admin\AppData\Local\Temp\348e41e753d39d03a43ce763b65cab77813c954ad17a7741d729372d2fdb59a7.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3152 -ip 3152
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 476
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |