Analysis Overview
SHA256
a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422
Threat Level: Known bad
The file a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422 was found to be: Known bad.
Malicious Activity Summary
Modifies firewall policy service
Sality
UAC bypass
Windows security bypass
Windows security modification
UPX packed file
Checks installed software on the system
Checks whether UAC is enabled
Drops file in Windows directory
Unsigned PE
System policy modification
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-19 21:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-19 21:39
Reported
2024-02-19 21:42
Platform
win7-20240215-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Checks installed software on the system
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\f760c40 | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Suspicious behavior: EnumeratesProcesses
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe
"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"
Network
Files
memory/2308-0-0x0000000000400000-0x0000000000686000-memory.dmp
memory/2308-2-0x0000000002050000-0x000000000310A000-memory.dmp
memory/2308-4-0x0000000002050000-0x000000000310A000-memory.dmp
memory/2308-6-0x0000000000400000-0x0000000000686000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-19 21:39
Reported
2024-02-19 21:42
Platform
win10v2004-20231215-en
Max time kernel
93s
Max time network
150s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Checks installed software on the system
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
| File created | C:\Windows\e5742e5 | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Suspicious behavior: EnumeratesProcesses
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe
"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.178.17.96.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 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
memory/1788-0-0x0000000000400000-0x0000000000686000-memory.dmp
memory/1788-1-0x00000000025B0000-0x000000000366A000-memory.dmp
memory/1788-3-0x00000000025B0000-0x000000000366A000-memory.dmp
memory/1788-5-0x0000000000400000-0x0000000000686000-memory.dmp