Analysis Overview
SHA256
93033f52346d85a8fe3afb2a9108992e18ee3738d6a2450cfb8a4673648016be
Threat Level: Known bad
The file f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.7z was found to be: Known bad.
Malicious Activity Summary
BitRAT
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
UPX packed file
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-05-07 21:49
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-07 21:49
Reported
2022-05-07 21:56
Platform
win7-20220414-en
Max time kernel
289s
Max time network
348s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.ps1
Network
Files
memory/2008-54-0x000007FEFBF51000-0x000007FEFBF53000-memory.dmp
memory/2008-55-0x000007FEF3070000-0x000007FEF3BCD000-memory.dmp
memory/2008-56-0x0000000002674000-0x0000000002677000-memory.dmp
memory/2008-57-0x000000001B750000-0x000000001BA4F000-memory.dmp
memory/2008-58-0x000000000267B000-0x000000000269A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-07 21:49
Reported
2022-05-07 21:55
Platform
win10v2004-20220414-en
Max time kernel
331s
Max time network
366s
Command Line
Signatures
BitRAT
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5064 set thread context of 4172 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad.ps1
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
Network
| Country | Destination | Domain | Proto |
| US | 20.189.173.4:443 | tcp | |
| US | 8.8.8.8:53 | bitrat9300.duckdns.org | udp |
| RU | 194.147.140.17:9300 | bitrat9300.duckdns.org | tcp |
| US | 8.8.8.8:53 | bitrat9300.duckdns.org | udp |
| US | 8.8.8.8:53 | bitrat9300.duckdns.org | udp |
| US | 8.8.8.8:53 | bitrat9300.duckdns.org | udp |
Files
memory/5064-130-0x000001DAEC190000-0x000001DAEC1B2000-memory.dmp
memory/5064-131-0x00007FFE808F0000-0x00007FFE813B1000-memory.dmp
memory/4172-132-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/4172-133-0x00000000007E2730-mapping.dmp
memory/4172-134-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/4172-135-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/4172-136-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/4172-137-0x0000000000400000-0x00000000007E4000-memory.dmp