Analysis Overview
SHA256
b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a
Threat Level: Known bad
The file b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-02 08:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-02 08:49
Reported
2024-06-02 08:52
Platform
win7-20240221-en
Max time kernel
145s
Max time network
149s
Command Line
Signatures
AsyncRat
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\SmokerLtd = "C:\\Users\\Admin\\Documents\\Noments\\Toopan.exe" | C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2876 set thread context of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe
"C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
Network
| Country | Destination | Domain | Proto |
| SY | 94.232.249.90:8848 | tcp | |
| SY | 94.232.249.90:8848 | tcp | |
| SY | 94.232.249.90:8848 | tcp | |
| SY | 94.232.249.90:8848 | tcp | |
| SY | 94.232.249.90:8848 | tcp | |
| SY | 94.232.249.90:8848 | tcp |
Files
memory/2876-0-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2876-2-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2876-1-0x0000000000567000-0x0000000000572000-memory.dmp
memory/2536-4-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2536-3-0x0000000000080000-0x0000000000092000-memory.dmp
memory/2536-5-0x0000000000080000-0x0000000000092000-memory.dmp
memory/2536-7-0x0000000000080000-0x0000000000092000-memory.dmp
memory/2876-10-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/2536-9-0x0000000000080000-0x0000000000092000-memory.dmp
memory/2536-11-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/2536-12-0x0000000074A40000-0x000000007512E000-memory.dmp
memory/2536-13-0x0000000074A4E000-0x0000000074A4F000-memory.dmp
memory/2536-14-0x0000000074A40000-0x000000007512E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 08:49
Reported
2024-06-02 08:52
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
AsyncRat
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SmokerLtd = "C:\\Users\\Admin\\Documents\\Noments\\Toopan.exe" | C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3652 set thread context of 1760 | N/A | C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe
"C:\Users\Admin\AppData\Local\Temp\b98132aea04a11317b8756786a12f51adbabe38e90d43fdfbc3095e1ad4c4e9a.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| SY | 94.232.249.90:8848 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| SY | 94.232.249.90:8848 | tcp | |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| SY | 94.232.249.90:8848 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| SY | 94.232.249.90:8848 | tcp | |
| 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 |
| SY | 94.232.249.90:8848 | tcp | |
| SY | 94.232.249.90:8848 | tcp |
Files
memory/3652-0-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/3652-1-0x0000000000567000-0x0000000000572000-memory.dmp
memory/3652-3-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/3652-2-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/1760-4-0x0000000000BD0000-0x0000000000BE2000-memory.dmp
memory/3652-5-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/1760-6-0x00000000739EE000-0x00000000739EF000-memory.dmp
memory/1760-7-0x00000000739E0000-0x0000000074190000-memory.dmp
memory/1760-8-0x00000000739EE000-0x00000000739EF000-memory.dmp
memory/1760-9-0x00000000739E0000-0x0000000074190000-memory.dmp