Analysis Overview
SHA256
b1ae4b96a33486d7abc09f7405c450934531920de0d44cde7e628f08b753e6d9
Threat Level: Known bad
The file Prynt_Stealer_5.6.exe was found to be: Known bad.
Malicious Activity Summary
StormKitty
StormKitty payload
Stormkitty family
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-08-23 14:59
Signatures
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stormkitty family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-23 14:59
Reported
2023-08-23 15:02
Platform
win10v2004-20230703-en
Max time kernel
142s
Max time network
153s
Command Line
Signatures
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1964 -ip 1964
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 1048
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |
Files
memory/1964-0-0x00000000748E0000-0x0000000075090000-memory.dmp
memory/1964-1-0x00000000000B0000-0x0000000000116000-memory.dmp
memory/1964-2-0x0000000005020000-0x00000000055C4000-memory.dmp
memory/1964-3-0x0000000004B10000-0x0000000004BA2000-memory.dmp
memory/1964-4-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
memory/1964-5-0x0000000004AE0000-0x0000000004AEA000-memory.dmp
memory/1964-6-0x00000000748E0000-0x0000000075090000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-23 14:59
Reported
2023-08-23 15:01
Platform
win7-20230712-en
Max time kernel
120s
Max time network
125s
Command Line
Signatures
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1876 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1876 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1876 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1876 wrote to memory of 2896 | N/A | C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Prynt_Stealer_5.6.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 632
Network
Files
memory/1876-0-0x0000000000D80000-0x0000000000DE6000-memory.dmp
memory/1876-1-0x0000000074480000-0x0000000074B6E000-memory.dmp
memory/1876-2-0x0000000004E10000-0x0000000004E50000-memory.dmp
memory/1876-3-0x0000000074480000-0x0000000074B6E000-memory.dmp
memory/1876-4-0x0000000004E10000-0x0000000004E50000-memory.dmp