Analysis Overview
SHA256
6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e
Threat Level: Known bad
The file 6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
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
2024-12-11 02:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-11 02:45
Reported
2024-12-11 02:48
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
151s
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 3300 wrote to memory of 964 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3300 wrote to memory of 964 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3300 wrote to memory of 964 | 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 444 -p 964 -ip 964
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 14.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-11 02:45
Reported
2024-12-11 02:48
Platform
win7-20241023-en
Max time kernel
5s
Max time network
16s
Command Line
Signatures
Loads dropped DLL
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\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe
"C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe"
Network
Files
\Users\Admin\AppData\Local\Temp\nsyCFA0.tmp\System.dll
| MD5 | 0d7ad4f45dc6f5aa87f606d0331c6901 |
| SHA1 | 48df0911f0484cbe2a8cdd5362140b63c41ee457 |
| SHA256 | 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca |
| SHA512 | c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9 |
memory/1628-15-0x0000000003680000-0x0000000004BEA000-memory.dmp
memory/1628-20-0x0000000003680000-0x0000000004BEA000-memory.dmp
memory/1628-15-0x0000000003680000-0x0000000004BEA000-memory.dmp
memory/1628-20-0x0000000003680000-0x0000000004BEA000-memory.dmp
memory/1628-15-0x0000000003680000-0x0000000004BEA000-memory.dmp
memory/1628-20-0x0000000003680000-0x0000000004BEA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-11 02:45
Reported
2024-12-11 02:48
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2468 set thread context of 4280 | N/A | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe |
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\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe
"C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe"
C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe
"C:\Users\Admin\AppData\Local\Temp\6f45bd0535f4654ea024f6336cdeecbc44272c903353963a7d7a0f8d8e74a51e.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.179.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | 238.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| US | 8.8.8.8:53 | 35.200.250.142.in-addr.arpa | udp |
| GB | 142.250.200.35:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.200.35:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| GB | 142.250.179.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| GB | 142.250.179.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | 21.49.80.91.in-addr.arpa | udp |
| GB | 142.250.179.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 216.58.212.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.200.35:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | 225.212.58.216.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsu79A6.tmp\System.dll
| MD5 | 0d7ad4f45dc6f5aa87f606d0331c6901 |
| SHA1 | 48df0911f0484cbe2a8cdd5362140b63c41ee457 |
| SHA256 | 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca |
| SHA512 | c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9 |
memory/2468-13-0x00000000032A0000-0x000000000480A000-memory.dmp
memory/2468-14-0x0000000077E41000-0x0000000077F61000-memory.dmp
memory/2468-15-0x0000000074B35000-0x0000000074B36000-memory.dmp
memory/2468-16-0x00000000032A0000-0x000000000480A000-memory.dmp
memory/4280-17-0x00000000016E0000-0x0000000002C4A000-memory.dmp
memory/4280-18-0x0000000077EC8000-0x0000000077EC9000-memory.dmp
memory/4280-19-0x0000000077EE5000-0x0000000077EE6000-memory.dmp
memory/4280-20-0x00000000016E0000-0x0000000002C4A000-memory.dmp
memory/4280-22-0x0000000077E41000-0x0000000077F61000-memory.dmp
memory/4280-21-0x0000000000480000-0x00000000016D4000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-11 02:45
Reported
2024-12-11 02:48
Platform
win7-20240903-en
Max time kernel
120s
Max time network
120s
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 2940 -s 220