Analysis Overview
SHA256
9b1e17bfb91e74ba74e0b00fba0fa0c71316994cca8145207f3dd0f0e41f1ed5
Threat Level: Known bad
The file PcFire.exe was found to be: Known bad.
Malicious Activity Summary
Stormkitty family
StormKitty
Contains code to disable Windows Defender
StormKitty payload
Adds Run key to start application
Looks up external IP address via web service
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-23 14:29
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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: behavioral1
Detonation Overview
Submitted
2024-11-23 14:29
Reported
2024-11-23 14:32
Platform
win7-20241023-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stormkitty family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1484 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | C:\Windows\system32\WerFault.exe |
| PID 1484 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | C:\Windows\system32\WerFault.exe |
| PID 1484 wrote to memory of 2600 | N/A | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\PcFire.exe
"C:\Users\Admin\AppData\Local\Temp\PcFire.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1484 -s 1068
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
Files
memory/1484-0-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp
memory/1484-1-0x00000000003A0000-0x00000000003B8000-memory.dmp
memory/1484-2-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp
memory/1484-5-0x000007FEF5CB3000-0x000007FEF5CB4000-memory.dmp
memory/1484-6-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-23 14:29
Reported
2024-11-23 14:32
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
150s
Command Line
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stormkitty family
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PcFire.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PcFire.exe
"C:\Users\Admin\AppData\Local\Temp\PcFire.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.130.122.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.197.77.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/1624-0-0x00007FFF26BA3000-0x00007FFF26BA5000-memory.dmp
memory/1624-1-0x0000000000010000-0x0000000000028000-memory.dmp
memory/1624-2-0x00007FFF26BA0000-0x00007FFF27661000-memory.dmp
memory/1624-5-0x000000001ABF0000-0x000000001ACF2000-memory.dmp
memory/1624-6-0x00007FFF26BA0000-0x00007FFF27661000-memory.dmp