Analysis Overview
SHA256
8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52
Threat Level: Known bad
The file 8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-01 01:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-01 01:33
Reported
2024-10-01 01:35
Platform
win7-20240708-en
Max time kernel
148s
Max time network
142s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1292 set thread context of 2864 | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\Mancus.phi | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.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\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe
"C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe"
C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe
"C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | wphosting.in | udp |
| FI | 95.217.165.68:80 | wphosting.in | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsyDB33.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/1292-15-0x0000000004030000-0x0000000005B87000-memory.dmp
memory/1292-17-0x00000000772F0000-0x0000000077499000-memory.dmp
memory/1292-16-0x00000000772F1000-0x00000000773F2000-memory.dmp
memory/2864-19-0x00000000772F0000-0x0000000077499000-memory.dmp
memory/1292-18-0x0000000004030000-0x0000000005B87000-memory.dmp
memory/2864-20-0x0000000000470000-0x00000000014D2000-memory.dmp
memory/1292-26-0x0000000004030000-0x0000000005B87000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-01 01:33
Reported
2024-10-01 01:36
Platform
win10v2004-20240802-en
Max time kernel
142s
Max time network
146s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1996 set thread context of 2948 | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\resources\0409\Mancus.phi | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.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\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe
"C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe"
C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.exe
"C:\Users\Admin\AppData\Local\Temp\8c902fc0f78ef5ae8375f02f7b48020972ea2b22fb2eb01398ac2517074ccc52.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 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | wphosting.in | udp |
| FI | 95.217.165.68:80 | wphosting.in | tcp |
| US | 8.8.8.8:53 | 68.165.217.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsc7EA7.tmp\System.dll
| MD5 | ee260c45e97b62a5e42f17460d406068 |
| SHA1 | df35f6300a03c4d3d3bd69752574426296b78695 |
| SHA256 | e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27 |
| SHA512 | a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3 |
memory/1996-13-0x0000000004B20000-0x0000000006677000-memory.dmp
memory/1996-14-0x0000000076FD1000-0x00000000770F1000-memory.dmp
memory/1996-15-0x0000000004B20000-0x0000000006677000-memory.dmp
memory/1996-16-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2948-17-0x00000000016D0000-0x0000000003227000-memory.dmp
memory/2948-18-0x0000000077058000-0x0000000077059000-memory.dmp
memory/2948-19-0x00000000016D0000-0x0000000003227000-memory.dmp
memory/2948-20-0x0000000077075000-0x0000000077076000-memory.dmp
memory/2948-21-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/2948-22-0x0000000076FD1000-0x00000000770F1000-memory.dmp
memory/1996-28-0x0000000004B20000-0x0000000006677000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-10-01 01:33
Reported
2024-10-01 01:36
Platform
win7-20240704-en
Max time kernel
119s
Max time network
121s
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 2520 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-10-01 01:33
Reported
2024-10-01 01:36
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
96s
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 4332 wrote to memory of 3228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4332 wrote to memory of 3228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4332 wrote to memory of 3228 | 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 420 -p 3228 -ip 3228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.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 | 21.236.111.52.in-addr.arpa | udp |