Analysis Overview
SHA256
46cab94e42a739b6ff68c310e17189ae685116b89b54c1893aa858e434e6996a
Threat Level: Known bad
The file 46cab94e42a739b6ff68c310e17189ae685116b89b54c1893aa858e434e6996a was found to be: Known bad.
Malicious Activity Summary
TA505
Blocklisted process makes network request
UPX packed file
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-01 16:11
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-01 16:11
Reported
2022-02-02 06:52
Platform
win7-en-20211208
Max time kernel
119s
Max time network
119s
Command Line
Signatures
TA505
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 960 wrote to memory of 1796 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 960 wrote to memory of 1796 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 960 wrote to memory of 1796 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 960 wrote to memory of 1796 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 960 wrote to memory of 1796 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 960 wrote to memory of 1796 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 960 wrote to memory of 1796 | 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\46cab94e42a739b6ff68c310e17189ae685116b89b54c1893aa858e434e6996a.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46cab94e42a739b6ff68c310e17189ae685116b89b54c1893aa858e434e6996a.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | microsoft-cnd.com | udp |
| CA | 172.105.103.207:443 | microsoft-cnd.com | tcp |
Files
memory/1796-54-0x0000000075531000-0x0000000075533000-memory.dmp
memory/1796-55-0x0000000000170000-0x0000000000171000-memory.dmp
memory/1796-56-0x0000000010000000-0x0000000012045000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-01 16:11
Reported
2022-02-02 06:53
Platform
win10v2004-en-20220112
Max time kernel
198s
Max time network
214s
Command Line
Signatures
TA505
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotifyIcon.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotifyIcon.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3776 wrote to memory of 2228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3776 wrote to memory of 2228 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3776 wrote to memory of 2228 | 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\46cab94e42a739b6ff68c310e17189ae685116b89b54c1893aa858e434e6996a.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46cab94e42a739b6ff68c310e17189ae685116b89b54c1893aa858e434e6996a.dll,#1
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
Network
| Country | Destination | Domain | Proto |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| NL | 104.80.224.57:443 | tcp | |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | microsoft-cnd.com | udp |
| CA | 172.105.103.207:443 | microsoft-cnd.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
Files
memory/2228-130-0x0000000000B80000-0x0000000000B81000-memory.dmp
memory/2228-131-0x0000000010000000-0x0000000012045000-memory.dmp