Analysis Overview
SHA256
68c2a97252cfef191ad5dd8fd7facd69019f2592eadc8b86cfbae04daf92c56e
Threat Level: Known bad
The file usertp.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
StormKitty
Async RAT payload
StormKitty payload
Asyncrat family
Async RAT payload
Reads user/profile data of web browsers
Checks installed software on the system
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-26 08:45
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-26 08:45
Reported
2023-09-26 08:47
Platform
win7-20230831-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks installed software on the system
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\usertp.exe
"C:\Users\Admin\AppData\Local\Temp\usertp.exe"
Network
| Country | Destination | Domain | Proto |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp |
Files
memory/2312-0-0x0000000000E80000-0x0000000000E98000-memory.dmp
memory/2312-1-0x000007FEF5840000-0x000007FEF622C000-memory.dmp
memory/2312-3-0x000000001ADC0000-0x000000001AE40000-memory.dmp
memory/2312-4-0x0000000077480000-0x0000000077629000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab409B.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
memory/2312-21-0x000007FEF5840000-0x000007FEF622C000-memory.dmp
memory/2312-22-0x000000001ADC0000-0x000000001AE40000-memory.dmp
memory/2312-23-0x0000000077480000-0x0000000077629000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\TarB6B7.tmp
| MD5 | 9441737383d21192400eca82fda910ec |
| SHA1 | 725e0d606a4fc9ba44aa8ffde65bed15e65367e4 |
| SHA256 | bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5 |
| SHA512 | 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf |
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-26 08:45
Reported
2023-09-26 08:47
Platform
win10v2004-20230915-en
Max time kernel
130s
Max time network
155s
Command Line
Signatures
AsyncRat
StormKitty
StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Async RAT 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 |
| N/A | N/A | N/A | N/A |
Reads user/profile data of web browsers
Checks installed software on the system
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\usertp.exe | N/A |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\usertp.exe
"C:\Users\Admin\AppData\Local\Temp\usertp.exe"
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 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| VN | 103.38.236.46:4449 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.236.38.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| VN | 103.38.236.46:4449 | tcp | |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |
Files
memory/880-0-0x0000000000EA0000-0x0000000000EB8000-memory.dmp
memory/880-2-0x00007FFFC2ED0000-0x00007FFFC3991000-memory.dmp
memory/880-3-0x0000000001710000-0x0000000001720000-memory.dmp
memory/880-6-0x00007FFFE0950000-0x00007FFFE0B45000-memory.dmp
memory/880-7-0x0000000001710000-0x0000000001720000-memory.dmp
memory/880-8-0x00007FFFC2ED0000-0x00007FFFC3991000-memory.dmp
memory/880-10-0x0000000001710000-0x0000000001720000-memory.dmp
memory/880-11-0x000000001CD90000-0x000000001CE06000-memory.dmp
memory/880-12-0x000000001CD10000-0x000000001CD1E000-memory.dmp
memory/880-13-0x000000001CD40000-0x000000001CD5E000-memory.dmp
memory/880-14-0x000000001CD60000-0x000000001CD6A000-memory.dmp
memory/880-17-0x000000001D530000-0x000000001D652000-memory.dmp
memory/880-16-0x000000001CD70000-0x000000001CD7E000-memory.dmp
memory/880-18-0x000000001E650000-0x000000001E6B6000-memory.dmp
memory/880-19-0x00007FFFE0950000-0x00007FFFE0B45000-memory.dmp
memory/880-58-0x000000001CC60000-0x000000001CC82000-memory.dmp
memory/880-59-0x0000000001710000-0x0000000001720000-memory.dmp
memory/880-60-0x0000000001710000-0x0000000001720000-memory.dmp