Analysis Overview
SHA256
66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117
Threat Level: Shows suspicious behavior
The file 66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_win_path
Suspicious behavior: EnumeratesProcesses
outlook_office_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-19 19:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-19 19:27
Reported
2025-01-19 19:29
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
| N/A | reallyfreegeoip.org | N/A | N/A |
| N/A | reallyfreegeoip.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2412 set thread context of 2776 | N/A | C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\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\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe
"C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| DE | 193.122.6.168:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.96.1:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2412-0-0x000000007490E000-0x000000007490F000-memory.dmp
memory/2412-1-0x00000000001F0000-0x000000000022E000-memory.dmp
memory/2412-2-0x00000000003D0000-0x0000000000406000-memory.dmp
memory/2412-3-0x00000000004E0000-0x00000000004F2000-memory.dmp
memory/2776-4-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2412-13-0x0000000074900000-0x0000000074FEE000-memory.dmp
memory/2776-12-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2776-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2776-9-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2776-6-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2776-8-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2776-15-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2776-17-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2412-18-0x0000000074900000-0x0000000074FEE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-19 19:27
Reported
2025-01-19 19:29
Platform
win10v2004-20241007-en
Max time kernel
106s
Max time network
116s
Command Line
Signatures
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
| N/A | reallyfreegeoip.org | N/A | N/A |
| N/A | reallyfreegeoip.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4116 set thread context of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe
"C:\Users\Admin\AppData\Local\Temp\66d66c3e3dc276d5e326aa56ec7ca6b9149a18d5c823d4ae1ccc49613553b117N.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 158.101.44.242:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 242.44.101.158.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 155.50.123.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.112.1:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 1.112.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.50.123.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/4116-0-0x000000007537E000-0x000000007537F000-memory.dmp
memory/4116-1-0x0000000000070000-0x00000000000AE000-memory.dmp
memory/4116-2-0x00000000049A0000-0x00000000049D6000-memory.dmp
memory/4116-3-0x0000000005080000-0x0000000005624000-memory.dmp
memory/4116-4-0x0000000004B70000-0x0000000004C02000-memory.dmp
memory/4116-5-0x0000000004AD0000-0x0000000004AE2000-memory.dmp
memory/4116-8-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/2444-9-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/2444-10-0x0000000000500000-0x000000000051E000-memory.dmp
memory/2444-12-0x0000000004A10000-0x0000000004AAC000-memory.dmp
memory/4116-11-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/2444-13-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/2444-14-0x0000000005BD0000-0x0000000005C20000-memory.dmp
memory/2444-15-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/2444-16-0x0000000005EF0000-0x00000000060B2000-memory.dmp
memory/2444-17-0x0000000005DE0000-0x0000000005DEA000-memory.dmp