Analysis Overview
SHA256
00b33c93902d9cb8722957b2512a45196b37284ffd85489e74d973aae7ec1962
Threat Level: Known bad
The file Korrekturlsning.exe was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Loads dropped DLL
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Unsigned PE
Browser Information Discovery
outlook_office_path
outlook_win_path
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-19 05:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-19 05:30
Reported
2024-11-19 05:33
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Rytmiserendes = "C:\\Users\\Admin\\AppData\\Local\\Temp\\nonconsumption\\Oraklerne100.exe" | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.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 NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3008 set thread context of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\slnger\barometerstandenes.san | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | 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\Korrekturlsning.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3008 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3008 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3008 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3008 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3008 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3008 wrote to memory of 2944 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe
"C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe"
C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe
"C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | mertvinc.com.tr | udp |
| TR | 185.244.144.68:80 | mertvinc.com.tr | tcp |
| 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 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsdB626.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
memory/3008-9-0x0000000003220000-0x00000000058EE000-memory.dmp
memory/3008-10-0x0000000077511000-0x0000000077612000-memory.dmp
memory/3008-11-0x0000000077510000-0x00000000776B9000-memory.dmp
memory/2944-13-0x0000000077510000-0x00000000776B9000-memory.dmp
memory/3008-12-0x0000000003220000-0x00000000058EE000-memory.dmp
memory/3008-14-0x0000000003220000-0x00000000058EE000-memory.dmp
memory/2944-16-0x00000000007E0000-0x0000000001842000-memory.dmp
memory/2944-17-0x00000000007E0000-0x0000000001842000-memory.dmp
memory/2944-18-0x00000000007E0000-0x000000000082A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-19 05:30
Reported
2024-11-19 05:33
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
143s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.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:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Rytmiserendes = "C:\\Users\\Admin\\AppData\\Local\\Temp\\nonconsumption\\Oraklerne100.exe" | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.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 NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3020 set thread context of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\slnger\barometerstandenes.san | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Browser Information Discovery
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\Korrekturlsning.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3020 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3020 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3020 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3020 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
| PID 3020 wrote to memory of 5000 | N/A | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe |
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:\Users\Admin\AppData\Local\Temp\Korrekturlsning.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:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe
"C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe"
C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.exe
"C:\Users\Admin\AppData\Local\Temp\Korrekturlsning.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mertvinc.com.tr | udp |
| TR | 185.244.144.68:80 | mertvinc.com.tr | tcp |
| US | 8.8.8.8:53 | 68.144.244.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| US | 193.122.130.0:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 0.130.122.193.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 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\System.dll
| MD5 | 75ed96254fbf894e42058062b4b4f0d1 |
| SHA1 | 996503f1383b49021eb3427bc28d13b5bbd11977 |
| SHA256 | a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7 |
| SHA512 | 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4 |
memory/3020-8-0x0000000002E70000-0x000000000553E000-memory.dmp
memory/3020-9-0x0000000077C71000-0x0000000077D91000-memory.dmp
memory/3020-10-0x0000000074964000-0x0000000074965000-memory.dmp
memory/3020-11-0x0000000002E70000-0x000000000553E000-memory.dmp
memory/5000-12-0x0000000001A40000-0x000000000410E000-memory.dmp
memory/5000-14-0x00000000007E0000-0x0000000001A34000-memory.dmp
memory/5000-15-0x00000000007E0000-0x000000000082A000-memory.dmp
memory/5000-16-0x00000000369E0000-0x0000000036F84000-memory.dmp
memory/5000-17-0x0000000036F90000-0x000000003702C000-memory.dmp
memory/5000-19-0x0000000001A40000-0x000000000410E000-memory.dmp
memory/5000-21-0x0000000037770000-0x0000000037932000-memory.dmp
memory/5000-22-0x0000000037960000-0x00000000379B0000-memory.dmp
memory/5000-23-0x0000000037A40000-0x0000000037F6C000-memory.dmp
memory/5000-26-0x0000000037FC0000-0x0000000038052000-memory.dmp
memory/5000-27-0x00000000380B0000-0x00000000380BA000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-19 05:30
Reported
2024-11-19 05:33
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-19 05:30
Reported
2024-11-19 05:33
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
135s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 264 wrote to memory of 1552 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 264 wrote to memory of 1552 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 264 wrote to memory of 1552 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1552 -ip 1552
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 620
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |