Analysis Overview
SHA256
f03e078fed6e2cc910e0fcc691c4011a2b86d4733712f3151c5662abd1090e24
Threat Level: Shows suspicious behavior
The file VirusShare-005ad3e43370d5c5b32600177f61839c was found to be: Shows suspicious behavior.
Malicious Activity Summary
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-02 22:22
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-02 22:22
Reported
2024-02-02 22:25
Platform
win7-20231129-en
Max time kernel
119s
Max time network
119s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-005ad3e43370d5c5b32600177f61839c.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic\ = "ic" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic\Clsid\ = "{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\ = "ic" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\ProgID\ = "VirusShare-005ad3e43370d5c5b32600177f61839c.ic" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1108 wrote to memory of 2188 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-005ad3e43370d5c5b32600177f61839c.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\VirusShare-005ad3e43370d5c5b32600177f61839c.dll
Network
Files
memory/2188-0-0x0000000001DB0000-0x0000000001E41000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-02 22:22
Reported
2024-02-02 22:25
Platform
win10v2004-20231215-en
Max time kernel
143s
Max time network
155s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\ = "ic" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic\ = "ic" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic\Clsid | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare-005ad3e43370d5c5b32600177f61839c.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\VirusShare-005ad3e43370d5c5b32600177f61839c.ic\Clsid\ = "{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DD6A-2947-FDA4-C8E2D379393E}\ProgID\ = "VirusShare-005ad3e43370d5c5b32600177f61839c.ic" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 908 wrote to memory of 2704 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 908 wrote to memory of 2704 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 908 wrote to memory of 2704 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VirusShare-005ad3e43370d5c5b32600177f61839c.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\VirusShare-005ad3e43370d5c5b32600177f61839c.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.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 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |