Analysis Overview
SHA256
9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b
Threat Level: Known bad
The file 9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Program crash
Unsigned PE
NSIS installer
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-08 12:12
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: behavioral3
Detonation Overview
Submitted
2024-11-08 12:12
Reported
2024-11-08 12:14
Platform
win7-20241010-en
Max time kernel
119s
Max time network
125s
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 2564 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-08 12:12
Reported
2024-11-08 12:14
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
138s
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 428 wrote to memory of 4380 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 428 wrote to memory of 4380 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 428 wrote to memory of 4380 | 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 408 -p 4380 -ip 4380
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-08 12:12
Reported
2024-11-08 12:14
Platform
win7-20240903-en
Max time kernel
120s
Max time network
120s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe |
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\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1044 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1044 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1044 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1044 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
"C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 480
Network
Files
\Users\Admin\AppData\Local\Temp\nsd5D2E.tmp\System.dll
| MD5 | dd87a973e01c5d9f8e0fcc81a0af7c7a |
| SHA1 | c9206ced48d1e5bc648b1d0f54cccc18bf643a14 |
| SHA256 | 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1 |
| SHA512 | 4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f |
memory/1044-16-0x0000000003750000-0x00000000047F6000-memory.dmp
memory/1044-17-0x0000000003750000-0x00000000047F6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-08 12:12
Reported
2024-11-08 12:14
Platform
win10v2004-20241007-en
Max time kernel
148s
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\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.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 |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4268 set thread context of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe |
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\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
"C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe"
C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
"C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4160 -ip 4160
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 1060
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 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.206:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.227:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 172.217.16.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 225.16.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nshCA08.tmp\System.dll
| MD5 | dd87a973e01c5d9f8e0fcc81a0af7c7a |
| SHA1 | c9206ced48d1e5bc648b1d0f54cccc18bf643a14 |
| SHA256 | 7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1 |
| SHA512 | 4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f |
memory/4268-14-0x0000000003190000-0x0000000004236000-memory.dmp
memory/4268-15-0x0000000077361000-0x0000000077481000-memory.dmp
memory/4268-16-0x0000000074805000-0x0000000074806000-memory.dmp
memory/4268-18-0x0000000003190000-0x0000000004236000-memory.dmp
memory/4160-17-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4160-19-0x0000000001660000-0x0000000002706000-memory.dmp
memory/4160-20-0x00000000773E8000-0x00000000773E9000-memory.dmp
memory/4160-21-0x0000000077405000-0x0000000077406000-memory.dmp
memory/4160-34-0x0000000001660000-0x0000000002706000-memory.dmp
memory/4160-35-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4160-36-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4160-37-0x0000000077361000-0x0000000077481000-memory.dmp
memory/4160-38-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4160-39-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4160-40-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4160-41-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4160-42-0x0000000001660000-0x0000000002706000-memory.dmp
memory/4160-43-0x0000000000401000-0x0000000000404000-memory.dmp