Analysis Overview
SHA256
a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10
Threat Level: Known bad
The file a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
VenomRAT
Asyncrat family
Venomrat family
Async RAT payload
Loads dropped DLL
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 15:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 15:44
Reported
2024-11-17 15:47
Platform
win7-20240903-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
AsyncRat
Asyncrat family
VenomRAT
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Venomrat family
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Client.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Enumerates physical storage devices
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\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\DllHost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Client.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\DllHost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2244 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Users\Admin\AppData\Roaming\Client.exe |
| PID 2244 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Users\Admin\AppData\Roaming\Client.exe |
| PID 2244 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Users\Admin\AppData\Roaming\Client.exe |
| PID 2244 wrote to memory of 2672 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Users\Admin\AppData\Roaming\Client.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe
"C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe"
C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
C:\Users\Admin\AppData\Roaming\Client.exe
"C:\Users\Admin\AppData\Roaming\Client.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.4.235:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | tr3.localto.net | udp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
| TR | 185.141.35.22:2944 | tr3.localto.net | tcp |
Files
memory/2244-0-0x0000000073E71000-0x0000000073E72000-memory.dmp
memory/2244-2-0x0000000073E70000-0x000000007441B000-memory.dmp
memory/2244-3-0x0000000073E70000-0x000000007441B000-memory.dmp
memory/2244-4-0x00000000006B0000-0x00000000006B2000-memory.dmp
memory/2756-5-0x0000000000130000-0x0000000000132000-memory.dmp
\Users\Admin\AppData\Roaming\Client.exe
| MD5 | 8f0807d1ba521c06b793a6717744c4f3 |
| SHA1 | f5a414ddcbf4a7bcc420912d4a8eb5f414f2ea35 |
| SHA256 | c40b7d6c8145eb7b3d40d868c72701f21b1390259585e0bfaf0ac4b66b438572 |
| SHA512 | cacae5105f21d0d5d6b930f8e86c6fd0ed2adcf289e18ad9e34d584bcd757b7beb17ed31cd64ee0514b2b6ed21b68ec0361a7b37c9d063981320c698769ae134 |
memory/2756-11-0x00000000002E0000-0x00000000002E1000-memory.dmp
memory/2244-13-0x0000000073E70000-0x000000007441B000-memory.dmp
memory/2672-14-0x00000000012C0000-0x00000000012DE000-memory.dmp
C:\Users\Admin\AppData\Roaming\istockphoto-1212369987-612x612.jpg
| MD5 | 9e2447961613086a0bfbd34dececd929 |
| SHA1 | 7ef96a9b48f63f94fc91ab0f17b18d4c81c77901 |
| SHA256 | ee30977c24b9607c07513670e524bdb95fdd89c1c1c4d551666a4b9a64a4a5f8 |
| SHA512 | 379117b6a5b3ce178069ec7e51aca3026168a827685235a6d372e9d5f9b14470e7755bd1b9179c46019273b00dc25fcca807189d62a2414ff0e355457a65a675 |
memory/2756-17-0x00000000002E0000-0x00000000002E1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 15:44
Reported
2024-11-17 15:47
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
118s
Command Line
Signatures
Enumerates physical storage devices
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\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3952 wrote to memory of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 3952 wrote to memory of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 3952 wrote to memory of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe
"C:\Users\Admin\AppData\Local\Temp\a83d5e622b2e0b13048c7f67e06b029e95aba1344a16e5d0912eec5fb70a9a10N.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1152
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/3952-0-0x0000000075322000-0x0000000075323000-memory.dmp
memory/3952-1-0x0000000075320000-0x00000000758D1000-memory.dmp
memory/3952-2-0x0000000075320000-0x00000000758D1000-memory.dmp
memory/3952-10-0x0000000075320000-0x00000000758D1000-memory.dmp