Analysis Overview
SHA256
b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347
Threat Level: Known bad
The file b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll was found to be: Known bad.
Malicious Activity Summary
Modifies Windows Defender notification settings
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 02:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 02:49
Reported
2024-11-04 02:51
Platform
win7-20240903-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Modifies Windows Defender notification settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender Security Center\Notifications\DisableEnhancedNotifications = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows Defender Security Center\Notifications | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender Security Center\Notifications | C:\Windows\SysWOW64\rundll32.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll,#1
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath $ENV:TEMP
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 244
Network
Files
memory/2340-2-0x0000000073A11000-0x0000000073A12000-memory.dmp
memory/2340-3-0x0000000073A10000-0x0000000073FBB000-memory.dmp
memory/2340-4-0x0000000073A10000-0x0000000073FBB000-memory.dmp
memory/2340-5-0x0000000073A10000-0x0000000073FBB000-memory.dmp
memory/2340-6-0x0000000073A10000-0x0000000073FBB000-memory.dmp
memory/2328-7-0x0000000075220000-0x00000000752A9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 02:49
Reported
2024-11-04 02:52
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
150s
Command Line
Signatures
Modifies Windows Defender notification settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender Security Center\Notifications | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender Security Center\Notifications\DisableEnhancedNotifications = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows Defender Security Center\Notifications | C:\Windows\SysWOW64\rundll32.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates physical storage devices
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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 760 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2080 wrote to memory of 760 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2080 wrote to memory of 760 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 760 wrote to memory of 1780 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 760 wrote to memory of 1780 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 760 wrote to memory of 1780 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll,#1
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath $ENV:TEMP
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 760 -ip 760
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 1008
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/1780-0-0x0000000072D4E000-0x0000000072D4F000-memory.dmp
memory/1780-1-0x0000000002970000-0x00000000029A6000-memory.dmp
memory/1780-2-0x0000000072D40000-0x00000000734F0000-memory.dmp
memory/1780-3-0x0000000005230000-0x0000000005858000-memory.dmp
memory/1780-4-0x0000000005090000-0x00000000050B2000-memory.dmp
memory/1780-5-0x0000000005130000-0x0000000005196000-memory.dmp
memory/1780-6-0x00000000058E0000-0x0000000005946000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gl30s42c.ruz.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1780-16-0x0000000005950000-0x0000000005CA4000-memory.dmp
memory/760-17-0x0000000074E90000-0x0000000074F19000-memory.dmp
memory/1780-18-0x0000000005F40000-0x0000000005F5E000-memory.dmp
memory/1780-19-0x0000000005F80000-0x0000000005FCC000-memory.dmp
memory/1780-20-0x0000000006F40000-0x0000000006F72000-memory.dmp
memory/1780-22-0x0000000072D40000-0x00000000734F0000-memory.dmp
memory/1780-32-0x0000000006510000-0x000000000652E000-memory.dmp
memory/1780-21-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/1780-33-0x0000000072D40000-0x00000000734F0000-memory.dmp
memory/1780-34-0x0000000006F80000-0x0000000007023000-memory.dmp
memory/1780-36-0x00000000078B0000-0x0000000007F2A000-memory.dmp
memory/1780-35-0x0000000072D40000-0x00000000734F0000-memory.dmp
memory/1780-37-0x0000000007270000-0x000000000728A000-memory.dmp
memory/1780-38-0x00000000072F0000-0x00000000072FA000-memory.dmp
memory/1780-39-0x00000000074F0000-0x0000000007586000-memory.dmp
memory/1780-40-0x0000000007480000-0x0000000007491000-memory.dmp
memory/1780-41-0x0000000004C90000-0x0000000004C9E000-memory.dmp
memory/1780-42-0x0000000007590000-0x00000000075A4000-memory.dmp
memory/1780-43-0x00000000075D0000-0x00000000075EA000-memory.dmp
memory/1780-44-0x00000000075B0000-0x00000000075B8000-memory.dmp
memory/1780-47-0x0000000072D40000-0x00000000734F0000-memory.dmp