Analysis Overview
SHA256
3261879a2aa9272d761dd5888c89646259d99d4008b28715b363c654230a3df3
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
StormKitty
Asyncrat family
StormKitty payload
Async RAT payload
AsyncRat
Async RAT payload
Reads user/profile data of web browsers
Checks installed software on the system
Unsigned PE
Suspicious behavior: AddClipboardFormatListener
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-26 09:41
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 09:41
Reported
2023-09-26 09:43
Platform
win7-20230831-en
Max time kernel
150s
Max time network
154s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| 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\tmp.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.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 | |
| 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/3008-0-0x0000000000170000-0x0000000000198000-memory.dmp
memory/3008-1-0x000007FEF5630000-0x000007FEF601C000-memory.dmp
memory/3008-3-0x000000001B190000-0x000000001B210000-memory.dmp
memory/3008-4-0x0000000076FD0000-0x0000000077179000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab46A3.tmp
| MD5 | f3441b8572aae8801c04f3060b550443 |
| SHA1 | 4ef0a35436125d6821831ef36c28ffaf196cda15 |
| SHA256 | 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf |
| SHA512 | 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9 |
memory/3008-21-0x000007FEF5630000-0x000007FEF601C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Tar5C96.tmp
| MD5 | 9441737383d21192400eca82fda910ec |
| SHA1 | 725e0d606a4fc9ba44aa8ffde65bed15e65367e4 |
| SHA256 | bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5 |
| SHA512 | 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf |
memory/3008-31-0x000000001B190000-0x000000001B210000-memory.dmp
memory/3008-41-0x0000000076FD0000-0x0000000077179000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-26 09:41
Reported
2023-09-26 09:43
Platform
win10v2004-20230915-en
Max time kernel
141s
Max time network
156s
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\tmp.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| VN | 103.38.236.46:4449 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.236.38.103.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 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.239.69.13.in-addr.arpa | udp |
Files
memory/4720-0-0x0000000000C20000-0x0000000000C48000-memory.dmp
memory/4720-2-0x00007FFD7F620000-0x00007FFD800E1000-memory.dmp
memory/4720-3-0x000000001BB20000-0x000000001BB30000-memory.dmp
memory/4720-4-0x00007FFD9D1F0000-0x00007FFD9D3E5000-memory.dmp
memory/4720-7-0x000000001BB20000-0x000000001BB30000-memory.dmp
memory/4720-9-0x00007FFD7F620000-0x00007FFD800E1000-memory.dmp
memory/4720-10-0x000000001CB80000-0x000000001CBF6000-memory.dmp
memory/4720-11-0x0000000002D90000-0x0000000002D9E000-memory.dmp
memory/4720-12-0x000000001CB00000-0x000000001CB1E000-memory.dmp
memory/4720-13-0x0000000002DA0000-0x0000000002DAE000-memory.dmp
memory/4720-15-0x0000000002F20000-0x0000000002F2A000-memory.dmp
memory/4720-14-0x000000001CB20000-0x000000001CB86000-memory.dmp
memory/4720-16-0x00007FFD9D1F0000-0x00007FFD9D3E5000-memory.dmp
memory/4720-18-0x000000001D100000-0x000000001D222000-memory.dmp
memory/4720-19-0x000000001BB20000-0x000000001BB30000-memory.dmp
memory/4720-58-0x000000001D530000-0x000000001D552000-memory.dmp
memory/4720-59-0x000000001BB20000-0x000000001BB30000-memory.dmp
memory/4720-60-0x000000001D270000-0x000000001D2C1000-memory.dmp