Analysis Overview
SHA256
6730f5a35c9565db033f981866d13dbba63712cc56e9194cfe180f87480654a3
Threat Level: Likely benign
The file linux.sh was found to be: Likely benign.
Malicious Activity Summary
Enumerates physical storage devices
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 11:00
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 11:00
Reported
2024-06-03 08:02
Platform
win7-20240221-en
Max time kernel
1565s
Max time network
1567s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read\command | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sh | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\ | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sh\ = "sh_auto_file" | C:\Windows\system32\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" | C:\Windows\system32\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings | C:\Windows\system32\rundll32.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2932 wrote to memory of 2592 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2932 wrote to memory of 2592 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2932 wrote to memory of 2592 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\rundll32.exe |
| PID 2592 wrote to memory of 2576 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2592 wrote to memory of 2576 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2592 wrote to memory of 2576 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
| PID 2592 wrote to memory of 2576 | N/A | C:\Windows\system32\rundll32.exe | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linux.sh
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\linux.sh
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\linux.sh"
Network
Files
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | 6b7170f22b29e09d3faf7a40bb40e12f |
| SHA1 | 7d2f190a1a4ca32e457489d94313220f30b8480e |
| SHA256 | 37f3d40a3a331a11fb3e180aaaf0c1d23039e8e857429c591753bad0fc4fb7ba |
| SHA512 | f81afcc8004b16077a1f58577d6331b005b04fbaf3a4759b5004bab9e8eb5d316e6e6125f4725088fd1702137a10524523e341135548faa8ea46d328167a2853 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 11:00
Reported
2024-06-03 08:02
Platform
win10v2004-20240426-en
Max time kernel
447s
Max time network
1167s
Command Line
Signatures
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings | C:\Windows\system32\cmd.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Processes
C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\linux.sh
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.173.189.20.in-addr.arpa | udp |