Analysis Overview
SHA256
81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac
Threat Level: Known bad
The file 81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac was found to be: Known bad.
Malicious Activity Summary
Vipkeylogger family
VIPKeylogger
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Suspicious use of SetThreadContext
Browser Information Discovery
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
outlook_office_path
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 14:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 13:59
Reported
2024-10-31 14:04
Platform
win10v2004-20241007-en
Max time kernel
145s
Max time network
140s
Command Line
Signatures
VIPKeylogger
Vipkeylogger family
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\msbuild.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\msbuild.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\msbuild.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2408 set thread context of 4964 | N/A | C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe |
Browser Information Discovery
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\msbuild.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.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\msbuild.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\msbuild.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe
"C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.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 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 169.8.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.177.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/2408-0-0x00007FFF166E3000-0x00007FFF166E5000-memory.dmp
memory/2408-1-0x000001A4D3530000-0x000001A4D3548000-memory.dmp
memory/2408-2-0x000001A4D5120000-0x000001A4D51BC000-memory.dmp
memory/2408-3-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp
memory/4964-4-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4964-5-0x000000007512E000-0x000000007512F000-memory.dmp
memory/4964-6-0x0000000005EB0000-0x0000000006454000-memory.dmp
memory/4964-7-0x0000000005840000-0x00000000058DC000-memory.dmp
memory/2408-8-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp
memory/4964-9-0x0000000075120000-0x00000000758D0000-memory.dmp
memory/4964-10-0x000000007512E000-0x000000007512F000-memory.dmp
memory/4964-11-0x0000000075120000-0x00000000758D0000-memory.dmp
memory/4964-12-0x0000000006CB0000-0x0000000006E72000-memory.dmp
memory/4964-13-0x0000000006B40000-0x0000000006B90000-memory.dmp
memory/4964-14-0x00000000073B0000-0x00000000078DC000-memory.dmp
memory/4964-15-0x0000000006F20000-0x0000000006FB2000-memory.dmp
memory/4964-16-0x0000000006E80000-0x0000000006E8A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-31 13:59
Reported
2024-10-31 14:04
Platform
win7-20241023-en
Max time kernel
122s
Max time network
139s
Command Line
Signatures
VIPKeylogger
Vipkeylogger family
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2312 set thread context of 2524 | N/A | C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe |
Browser Information Discovery
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\CasPol.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe
"C:\Users\Admin\AppData\Local\Temp\81e019eec1b1f11c799784692f81a936c003371874b968409923517bab7b70ac.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2312 -s 624
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| BR | 132.226.247.73:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2312-0-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp
memory/2312-1-0x00000000002A0000-0x00000000002B8000-memory.dmp
memory/2312-2-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp
memory/2312-3-0x000000001AFD0000-0x000000001B06C000-memory.dmp
memory/2524-4-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-9-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-15-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-13-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2524-8-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-6-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2524-16-0x0000000074ACE000-0x0000000074ACF000-memory.dmp
memory/2524-17-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2312-18-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp
memory/2524-19-0x0000000074ACE000-0x0000000074ACF000-memory.dmp
memory/2524-20-0x0000000074AC0000-0x00000000751AE000-memory.dmp