Analysis Overview
SHA256
fb8fc294dfeda915ae10f066eb3b85abdf47ca7f91cd94c60429b43177887cbd
Threat Level: Known bad
The file NEAS.fb8fc294dfeda915ae10f066eb3b85abdf47ca7f91cd94c60429b43177887cbd.url was found to be: Known bad.
Malicious Activity Summary
SystemBC
Blocklisted process makes network request
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Modifies registry class
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-11-17 16:14
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-11-17 16:14
Reported
2023-11-17 16:17
Platform
win7-20231020-en
Max time kernel
121s
Max time network
127s
Command Line
Signatures
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\rundll32.exe | N/A |
Processes
C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\NEAS.fb8fc294dfeda915ae10f066eb3b85abdf47ca7f91cd94c60429b43177887cbd.url
Network
Files
memory/2476-0-0x00000000021B0000-0x00000000021B1000-memory.dmp
memory/2476-1-0x00000000021B0000-0x00000000021B1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-11-17 16:14
Reported
2023-11-17 16:17
Platform
win10v2004-20231023-en
Max time kernel
135s
Max time network
149s
Command Line
Signatures
SystemBC
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\rundll32.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000_Classes\Local Settings | C:\Windows\System32\rundll32.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3024 wrote to memory of 3032 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\System32\control.exe |
| PID 3024 wrote to memory of 3032 | N/A | C:\Windows\System32\rundll32.exe | C:\Windows\System32\control.exe |
| PID 3032 wrote to memory of 324 | N/A | C:\Windows\System32\control.exe | C:\Windows\system32\rundll32.exe |
| PID 3032 wrote to memory of 324 | N/A | C:\Windows\System32\control.exe | C:\Windows\system32\rundll32.exe |
| PID 324 wrote to memory of 2120 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 324 wrote to memory of 2120 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 324 wrote to memory of 2120 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\NEAS.fb8fc294dfeda915ae10f066eb3b85abdf47ca7f91cd94c60429b43177887cbd.url
C:\Windows\System32\control.exe
"C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\wizard[1].cpl",
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\wizard[1].cpl",
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\wizard[1].cpl",
Network
| Country | Destination | Domain | Proto |
| RU | 62.173.141.114:445 | tcp | |
| US | 8.8.8.8:53 | 114.141.173.62.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.3.248.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.1.85.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| RU | 62.173.140.37:4001 | tcp | |
| US | 8.8.8.8:53 | 37.140.173.62.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\wizard[1].cpl
| MD5 | cac81707eba1be452f548e410275a0ac |
| SHA1 | dd4b3bbd8bf357bbdeeb593e94ff0bf9b5ae19f2 |
| SHA256 | 2f120d396f71ff9adb8fe11f0b529e8ddea8355837d955fed83bb0ae2a35de84 |
| SHA512 | 01b6b45ec3c5ef4a0162164dfd69c15b08ed37082778ef97d0f1486bc82b4b1659a90705a4d9be42b9d25c8776e20011845a9f5e4498400b11cf14a3310df8d7 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\wizard[1].cpl
| MD5 | cac81707eba1be452f548e410275a0ac |
| SHA1 | dd4b3bbd8bf357bbdeeb593e94ff0bf9b5ae19f2 |
| SHA256 | 2f120d396f71ff9adb8fe11f0b529e8ddea8355837d955fed83bb0ae2a35de84 |
| SHA512 | 01b6b45ec3c5ef4a0162164dfd69c15b08ed37082778ef97d0f1486bc82b4b1659a90705a4d9be42b9d25c8776e20011845a9f5e4498400b11cf14a3310df8d7 |