Analysis Overview
SHA256
5579ec327889e6c8818fb19b09e7acfb2b6c86d26c3da0e2e454d8d731827bed
Threat Level: Known bad
The file try.exe was found to be: Known bad.
Malicious Activity Summary
Contains code to disable Windows Defender
StormKitty
Stormkitty family
StormKitty payload
Looks up external IP address via web service
Adds Run key to start application
Unsigned PE
Program crash
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Checks SCSI registry key(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-30 17:56
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
2023-08-30 17:56
Reported
2023-08-30 18:27
Platform
win10v2004-20230703-en
Max time kernel
1799s
Max time network
1501s
Command Line
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
StormKitty
StormKitty 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nvidiaDValueOn = "C:\\Users\\Admin\\AppData\\Local\\NVIDIA Local Drivers\\DriversUpdateProcess_x64.exe" | C:\Users\Admin\AppData\Local\Temp\try.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\try.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\try.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Processes
C:\Users\Admin\AppData\Local\Temp\try.exe
"C:\Users\Admin\AppData\Local\Temp\try.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 4976 -ip 4976
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4976 -s 1372
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
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 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.188.122.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 242.44.101.158.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.24.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 38.148.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.121.18.2.in-addr.arpa | udp |
Files
memory/4976-0-0x00000000005B0000-0x00000000005CA000-memory.dmp
memory/4976-1-0x00007FFF330E0000-0x00007FFF33BA1000-memory.dmp
memory/4976-2-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
memory/4976-5-0x00007FFF330E0000-0x00007FFF33BA1000-memory.dmp
memory/4264-6-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-7-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-8-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-12-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-13-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-14-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-15-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-16-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-17-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
memory/4264-18-0x00000250DBF40000-0x00000250DBF41000-memory.dmp
C:\Users\Admin\AppData\Local\NVIDIA Local Drivers\DriversUpdateProcess_x64.exe
| MD5 | d1f850e8f665404ca512b35b7a944049 |
| SHA1 | 97627b3f92e5fca80caac125d85ceb935edf239c |
| SHA256 | 5579ec327889e6c8818fb19b09e7acfb2b6c86d26c3da0e2e454d8d731827bed |
| SHA512 | f38de3689a4aae1be0b997d49fc7054f62540648cb370b4e363c3d3952cb3a412ed63f881cfc7c6800c7460aae401f48b666c324f46f3f91efd533753ac10eb6 |