Analysis Overview
SHA256
8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373c
Threat Level: Known bad
The file 8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
Isrstealer family
ISR Stealer payload
Loads dropped DLL
Executes dropped EXE
Reads user/profile data of web browsers
Checks computer location settings
Suspicious use of SetThreadContext
UPX packed file
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-16 06:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-16 06:30
Reported
2024-12-16 06:32
Platform
win7-20241023-en
Max time kernel
110s
Max time network
17s
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 |
Isrstealer family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
Loads dropped DLL
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2548 set thread context of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | C:\Users\Admin\AppData\Local\Temp\123456.exe |
| PID 2088 set thread context of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe |
| PID 2872 set thread context of 2712 | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | C:\Users\Admin\AppData\Local\Temp\123456.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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
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\123456.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe
"C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe"
C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe
"C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe" 0
C:\Users\Admin\AppData\Local\Temp\123456.exe
"C:\Users\Admin\AppData\Local\Temp\123456.exe" 0
C:\Users\Admin\AppData\Local\Temp\123456.exe
C:\Users\Admin\AppData\Local\Temp\123456.exe
C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe
"C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe"
C:\Users\Admin\AppData\Local\Temp\123456.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
Files
\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe
| MD5 | 9fd4ec851eea8905f5cf0e5b18928a5d |
| SHA1 | 580e42f43b3fcf72023f87a726f108f08b22d228 |
| SHA256 | eadb6538f312408451f6033bad587b34f7f5b265c76a27de12fb5ec177eaec30 |
| SHA512 | 69e1ff1005afac8d050b3cf0ae9d7d2da69ca20a0b0bbee21be81bd54416dc59bd0e2d26b90e214a435bc66d35d3627798e25f1332059d3b4e164eb2f8367a35 |
memory/2088-12-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1740-8-0x0000000002D90000-0x0000000002DC1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\123456.exe
| MD5 | 8285e8a3752fe609776497efde3ddcd4 |
| SHA1 | 49cf1f293cdf0271600176ce08931a022f42731d |
| SHA256 | 3c59f214ae5d53379f36522e41b71f429de802aac74951e239d17f98bda340bd |
| SHA512 | a6bbf39a8380b076ff9f9d7c940d863d63662d6a06de53e90b857c4a15ab95ab3e65b8b5a17af25fc4da435df07ed59b562c691c38ba83e82df3dc70417b97a8 |
memory/2548-26-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2548-25-0x0000000000425000-0x0000000000426000-memory.dmp
memory/2548-24-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2548-23-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2548-21-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1740-20-0x0000000002D90000-0x0000000002DC1000-memory.dmp
memory/2088-36-0x0000000000230000-0x0000000000261000-memory.dmp
memory/2088-35-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2872-42-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2872-40-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2088-39-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2088-37-0x0000000000230000-0x0000000000261000-memory.dmp
memory/2088-34-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2872-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2872-52-0x0000000000400000-0x0000000000464000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1163522206-1469769407-485553996-1000\88603cb2913a7df3fbd16b5f958e6447_9d81b961-0275-4281-8321-63119951606b
| MD5 | 5fc2ac2a310f49c14d195230b91a8885 |
| SHA1 | 90855cc11136ba31758fe33b5cf9571f9a104879 |
| SHA256 | 374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092 |
| SHA512 | ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3 |
memory/2088-84-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2672-82-0x0000000000230000-0x0000000000261000-memory.dmp
\Users\Admin\AppData\Local\Temp\bassmod.dll
| MD5 | 780d14604d49e3c634200c523def8351 |
| SHA1 | e208ef6f421d2260070a9222f1f918f1de0a8eeb |
| SHA256 | 844eb66a10b848d3a71a8c63c35f0a01550a46d2ff8503e2ca8947978b03b4d2 |
| SHA512 | a49c030f11da8f0cdc4205c86bec00653ec2f8899983cad9d7195fd23255439291aaec5a7e128e1a103efd93b8566e86f15af89eba4efebf9debce14a7a5564b |
memory/2672-81-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2672-77-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2672-72-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2672-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2672-66-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2672-63-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2712-88-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2672-60-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2672-58-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2548-57-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2872-54-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2872-44-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2712-90-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2712-91-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2672-92-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2712-96-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2872-97-0x0000000000400000-0x0000000000464000-memory.dmp
memory/2672-98-0x0000000000230000-0x0000000000261000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-16 06:30
Reported
2024-12-16 06:32
Platform
win10v2004-20241007-en
Max time kernel
111s
Max time network
95s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2400 set thread context of 3872 | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe |
| PID 3944 set thread context of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | C:\Users\Admin\AppData\Local\Temp\123456.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 |
Enumerates physical storage devices
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\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\123456.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe
"C:\Users\Admin\AppData\Local\Temp\8429d738392a7baf7d4fe289c560dfa3233169dd234d9885452c81691b39373cN.exe"
C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe
"C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe" 0
C:\Users\Admin\AppData\Local\Temp\123456.exe
"C:\Users\Admin\AppData\Local\Temp\123456.exe" 0
C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe
"C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe"
C:\Users\Admin\AppData\Local\Temp\123456.exe
C:\Users\Admin\AppData\Local\Temp\123456.exe
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x308 0x394
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.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 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\Patch IDM 6.xx.exe
| MD5 | 9fd4ec851eea8905f5cf0e5b18928a5d |
| SHA1 | 580e42f43b3fcf72023f87a726f108f08b22d228 |
| SHA256 | eadb6538f312408451f6033bad587b34f7f5b265c76a27de12fb5ec177eaec30 |
| SHA512 | 69e1ff1005afac8d050b3cf0ae9d7d2da69ca20a0b0bbee21be81bd54416dc59bd0e2d26b90e214a435bc66d35d3627798e25f1332059d3b4e164eb2f8367a35 |
memory/2400-26-0x0000000000400000-0x0000000000431000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\123456.exe
| MD5 | 8285e8a3752fe609776497efde3ddcd4 |
| SHA1 | 49cf1f293cdf0271600176ce08931a022f42731d |
| SHA256 | 3c59f214ae5d53379f36522e41b71f429de802aac74951e239d17f98bda340bd |
| SHA512 | a6bbf39a8380b076ff9f9d7c940d863d63662d6a06de53e90b857c4a15ab95ab3e65b8b5a17af25fc4da435df07ed59b562c691c38ba83e82df3dc70417b97a8 |
memory/3944-33-0x0000000000400000-0x0000000000431000-memory.dmp
memory/3944-32-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2400-25-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2400-24-0x0000000000425000-0x0000000000426000-memory.dmp
memory/2400-21-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2400-17-0x0000000000400000-0x0000000000431000-memory.dmp
memory/2400-16-0x0000000000400000-0x0000000000431000-memory.dmp
memory/3872-40-0x0000000000400000-0x0000000000444000-memory.dmp
memory/3872-38-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2400-46-0x0000000000400000-0x0000000000431000-memory.dmp
memory/3872-47-0x0000000000400000-0x0000000000444000-memory.dmp
memory/3872-45-0x0000000000400000-0x0000000000444000-memory.dmp
memory/3872-39-0x0000000000400000-0x0000000000444000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3442511616-637977696-3186306149-1000\88603cb2913a7df3fbd16b5f958e6447_5ab270f5-f3a9-47d1-97d7-bbd50acf9955
| MD5 | 5fc2ac2a310f49c14d195230b91a8885 |
| SHA1 | 90855cc11136ba31758fe33b5cf9571f9a104879 |
| SHA256 | 374e0e2897a7a82e0e44794cad89df0f3cdd7703886239c1fe06d625efd48092 |
| SHA512 | ab46554df9174b9fe9beba50a640f67534c3812f64d96a1fb8adfdc136dfe730ca2370825cd45b7f87a544d6a58dd868cb5a3a7f42e2789f6d679dbc0fdd52c3 |
memory/3932-50-0x0000000000400000-0x0000000000464000-memory.dmp
memory/3944-59-0x0000000000400000-0x0000000000431000-memory.dmp
memory/3932-49-0x0000000000400000-0x0000000000464000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bassmod.dll
| MD5 | 780d14604d49e3c634200c523def8351 |
| SHA1 | e208ef6f421d2260070a9222f1f918f1de0a8eeb |
| SHA256 | 844eb66a10b848d3a71a8c63c35f0a01550a46d2ff8503e2ca8947978b03b4d2 |
| SHA512 | a49c030f11da8f0cdc4205c86bec00653ec2f8899983cad9d7195fd23255439291aaec5a7e128e1a103efd93b8566e86f15af89eba4efebf9debce14a7a5564b |
memory/3872-60-0x0000000000400000-0x0000000000444000-memory.dmp