Analysis Overview
SHA256
3106f3defd63051dd4652582b58c1f030c102f5f6e49a10e3e008df6e7a27fc1
Threat Level: Known bad
The file StormKittyBuild.exe was found to be: Known bad.
Malicious Activity Summary
StormKitty payload
Stormkitty family
StormKitty
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-12 10:58
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: behavioral1
Detonation Overview
Submitted
2024-05-12 10:58
Reported
2024-05-12 11:01
Platform
win7-20240221-en
Max time kernel
117s
Max time network
136s
Command Line
Signatures
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe
"C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.111.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.111.133:443 | raw.githubusercontent.com | tcp |
| US | 185.199.111.133:443 | raw.githubusercontent.com | tcp |
Files
memory/1688-0-0x000007FEF51A3000-0x000007FEF51A4000-memory.dmp
memory/1688-1-0x0000000000080000-0x00000000000E2000-memory.dmp
memory/1688-2-0x0000000000240000-0x00000000002C8000-memory.dmp
memory/1688-3-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/1688-4-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 29f65ba8e88c063813cc50a4ea544e93 |
| SHA1 | 05a7040d5c127e68c25d81cc51271ffb8bef3568 |
| SHA256 | 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184 |
| SHA512 | e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa |
C:\Users\Admin\AppData\Local\Temp\Tar595D.tmp
| MD5 | 435a9ac180383f9fa094131b173a2f7b |
| SHA1 | 76944ea657a9db94f9a4bef38f88c46ed4166983 |
| SHA256 | 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34 |
| SHA512 | 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a |
memory/1688-182-0x000007FEF51A3000-0x000007FEF51A4000-memory.dmp
memory/1688-183-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-12 10:58
Reported
2024-05-12 11:01
Platform
win10v2004-20240426-en
Max time kernel
133s
Max time network
118s
Command Line
Signatures
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | raw.githubusercontent.com | N/A | N/A |
| N/A | raw.githubusercontent.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe
"C:\Users\Admin\AppData\Local\Temp\StormKittyBuild.exe"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.139:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.139:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | raw.githubusercontent.com | udp |
| US | 185.199.110.133:443 | raw.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.110.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/3224-0-0x00007FFA95283000-0x00007FFA95285000-memory.dmp
memory/3224-1-0x0000000000880000-0x00000000008E2000-memory.dmp
memory/3224-2-0x000000001B540000-0x000000001B5C8000-memory.dmp
memory/3224-3-0x0000000002940000-0x0000000002946000-memory.dmp
memory/3224-4-0x00007FFA95280000-0x00007FFA95D41000-memory.dmp
memory/3224-5-0x00007FFA95283000-0x00007FFA95285000-memory.dmp
memory/3224-6-0x00007FFA95280000-0x00007FFA95D41000-memory.dmp