Analysis Overview
SHA256
fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a
Threat Level: Known bad
The file fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a was found to be: Known bad.
Malicious Activity Summary
RevengeRAT
Drops startup file
AutoIT Executable
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-16 05:46
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-16 05:46
Reported
2024-08-16 05:49
Platform
win7-20240704-en
Max time kernel
145s
Max time network
149s
Command Line
Signatures
RevengeRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url | C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1720 set thread context of 2356 | N/A | C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe
"C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | marzorevenger.duckdns.org | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | marzorevenger.duckdns.org | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | marzorevenger.duckdns.org | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
Files
memory/1720-0-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2356-1-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2356-9-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2356-8-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2356-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2356-3-0x0000000000400000-0x0000000000408000-memory.dmp
memory/2356-10-0x0000000073F62000-0x0000000073F64000-memory.dmp
memory/2356-11-0x0000000073F62000-0x0000000073F64000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-16 05:46
Reported
2024-08-16 05:49
Platform
win10v2004-20240802-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
RevengeRAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url | C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4872 set thread context of 1116 | N/A | C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe
"C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | marzorevenger.duckdns.org | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 95.100.245.144:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 144.245.100.95.in-addr.arpa | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | marzorevenger.duckdns.org | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
| US | 8.8.8.8:53 | marzorevenger.duckdns.org | udp |
| CO | 186.85.86.137:4230 | marzorevenger.duckdns.org | tcp |
Files
memory/4872-0-0x0000000002570000-0x0000000002571000-memory.dmp
memory/1116-1-0x0000000000400000-0x0000000000408000-memory.dmp
memory/1116-5-0x0000000073E12000-0x0000000073E13000-memory.dmp
memory/1116-6-0x0000000073E10000-0x00000000743C1000-memory.dmp
memory/1116-7-0x0000000073E10000-0x00000000743C1000-memory.dmp
memory/1116-8-0x0000000073E12000-0x0000000073E13000-memory.dmp
memory/1116-9-0x0000000073E10000-0x00000000743C1000-memory.dmp