Analysis Overview
SHA256
eda014e3b658bfbbfd141c1459a3414d9ee8b7c139a3976fe732141fa9cf3f80
Threat Level: Known bad
The file Anfrage_244384.exe was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
NSIS installer
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 16:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NSIS installer
| 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
2024-11-06 16:07
Reported
2024-11-06 16:09
Platform
win7-20241023-en
Max time kernel
147s
Max time network
147s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2092 set thread context of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Bitcom\Paragraferedes75.ret | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| File opened for modification | C:\Windows\resources\soenderbro.ini | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.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\Anfrage_244384.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2092 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 2092 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 2092 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 2092 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 2092 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 2092 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe
"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"
C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe
"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | familytherapycenter.rs | udp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsyB25F.tmp\System.dll
| MD5 | 3f176d1ee13b0d7d6bd92e1c7a0b9bae |
| SHA1 | fe582246792774c2c9dd15639ffa0aca90d6fd0b |
| SHA256 | fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e |
| SHA512 | 0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6 |
memory/2092-18-0x0000000002E90000-0x0000000005B1E000-memory.dmp
memory/2092-20-0x0000000077050000-0x00000000771F9000-memory.dmp
memory/2092-19-0x0000000077051000-0x0000000077152000-memory.dmp
memory/2092-21-0x0000000002E90000-0x0000000005B1E000-memory.dmp
memory/2984-22-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2984-23-0x0000000077050000-0x00000000771F9000-memory.dmp
memory/2984-24-0x0000000000400000-0x0000000001462000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 16:07
Reported
2024-11-06 16:09
Platform
win10v2004-20241007-en
Max time kernel
90s
Max time network
150s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1072 set thread context of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\soenderbro.ini | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| File opened for modification | C:\Windows\Bitcom\Paragraferedes75.ret | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.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\Anfrage_244384.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1072 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 1072 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 1072 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 1072 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
| PID 1072 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe | C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe
"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"
C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe
"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | familytherapycenter.rs | udp |
| DE | 188.40.95.144:443 | familytherapycenter.rs | tcp |
| US | 8.8.8.8:53 | 144.95.40.188.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.169.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nst81C4.tmp\System.dll
| MD5 | 3f176d1ee13b0d7d6bd92e1c7a0b9bae |
| SHA1 | fe582246792774c2c9dd15639ffa0aca90d6fd0b |
| SHA256 | fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e |
| SHA512 | 0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6 |
memory/1072-16-0x0000000002AC0000-0x000000000574E000-memory.dmp
memory/1072-17-0x00000000775E1000-0x0000000077701000-memory.dmp
memory/1072-18-0x0000000010004000-0x0000000010005000-memory.dmp
memory/1072-19-0x0000000002AC0000-0x000000000574E000-memory.dmp
memory/2504-20-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-21-0x0000000001660000-0x00000000042EE000-memory.dmp
memory/2504-25-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-26-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-27-0x0000000001660000-0x00000000042EE000-memory.dmp
memory/2504-28-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-29-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-32-0x0000000000400000-0x0000000001654000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-06 16:07
Reported
2024-11-06 16:09
Platform
win7-20240903-en
Max time kernel
119s
Max time network
127s
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 2812 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-06 16:07
Reported
2024-11-06 16:09
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
137s
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 4756 wrote to memory of 4456 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4756 wrote to memory of 4456 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4756 wrote to memory of 4456 | 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 452 -p 4456 -ip 4456
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 612
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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |