Analysis Overview
SHA256
64025cc74704c387b600d7ebdb3a92aaf19a6b5eb572d8918771b86adad61c2c
Threat Level: Known bad
The file cc34c96b6bc094e0f377417b137ef773 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
Isrstealer family
UPX packed file
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-15 19:13
Signatures
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Isrstealer family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-15 19:13
Reported
2024-03-15 19:16
Platform
win7-20240220-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Reads user/profile data of web browsers
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2092 set thread context of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe | C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe
"C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe"
C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
Files
memory/2580-2-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2580-4-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2580-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2580-6-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2580-7-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2580-9-0x0000000000400000-0x0000000000453000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-15 19:13
Reported
2024-03-15 19:16
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
154s
Command Line
Signatures
Reads user/profile data of web browsers
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4732 set thread context of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe | C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe
"C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe"
C:\Users\Admin\AppData\Local\Temp\cc34c96b6bc094e0f377417b137ef773.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.135.221.88.in-addr.arpa | udp |
Files
memory/5112-2-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5112-4-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5112-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5112-6-0x0000000000400000-0x0000000000453000-memory.dmp
memory/5112-8-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |