Analysis Overview
SHA256
cb4635bc37189a8c926cd1542e767eae5b9f5f9dbe7ce25b141dbf6902376ee4
Threat Level: Known bad
The file cb4635bc37189a8c926cd1542e767eae5b9f5f9dbe7ce25b141dbf6902376ee4 was found to be: Known bad.
Malicious Activity Summary
Vipkeylogger family
VIPKeylogger
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Browser Information Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_win_path
outlook_office_path
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-31 14:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-31 14:02
Reported
2024-10-31 14:05
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
VIPKeylogger
Vipkeylogger family
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\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 2552 set thread context of 4316 | N/A | C:\Users\Admin\AppData\Local\Temp\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.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\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.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-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\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\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.exe
"C:\Users\Admin\AppData\Local\Temp\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.209.201.84.in-addr.arpa | udp |
| 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 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.247.226.132.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.177.67.172.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 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |
Files
memory/2552-0-0x00007FF91EF03000-0x00007FF91EF05000-memory.dmp
memory/2552-1-0x000001CFBAFF0000-0x000001CFBB008000-memory.dmp
memory/2552-2-0x000001CFBCC00000-0x000001CFBCC9C000-memory.dmp
memory/2552-3-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp
memory/4316-4-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4316-5-0x0000000074DEE000-0x0000000074DEF000-memory.dmp
memory/4316-6-0x00000000056F0000-0x0000000005C94000-memory.dmp
memory/4316-7-0x0000000005070000-0x000000000510C000-memory.dmp
memory/2552-8-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp
memory/4316-9-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/4316-10-0x0000000006530000-0x00000000066F2000-memory.dmp
memory/4316-11-0x00000000063B0000-0x0000000006400000-memory.dmp
memory/4316-12-0x0000000074DEE000-0x0000000074DEF000-memory.dmp
memory/4316-13-0x0000000006C30000-0x000000000715C000-memory.dmp
memory/4316-14-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/4316-15-0x0000000006700000-0x0000000006792000-memory.dmp
memory/4316-16-0x0000000006500000-0x000000000650A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-31 14:02
Reported
2024-10-31 14:05
Platform
win7-20240708-en
Max time kernel
120s
Max time network
133s
Command Line
Signatures
VIPKeylogger
Vipkeylogger family
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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 2568 set thread context of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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\jsc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.exe
"C:\Users\Admin\AppData\Local\Temp\31_10_2024_Dönemi_MEVDUAT Ekstre Bilgiler.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2568 -s 616
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 | 104.21.67.152:443 | 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/2568-0-0x000007FEF5433000-0x000007FEF5434000-memory.dmp
memory/2568-1-0x0000000000A50000-0x0000000000A68000-memory.dmp
memory/2568-3-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp
memory/2568-2-0x000000001A620000-0x000000001A6BC000-memory.dmp
memory/2172-4-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-8-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-15-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-13-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2172-10-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-6-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-17-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2172-18-0x00000000742AE000-0x00000000742AF000-memory.dmp
memory/2172-19-0x00000000742A0000-0x000000007498E000-memory.dmp
memory/2568-20-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp
memory/2172-21-0x00000000742AE000-0x00000000742AF000-memory.dmp
memory/2172-22-0x00000000742A0000-0x000000007498E000-memory.dmp