Analysis
-
max time kernel
134s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 12:09
Static task
static1
Behavioral task
behavioral1
Sample
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe
Resource
win7-20240221-en
General
-
Target
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe
-
Size
265KB
-
MD5
ef10528c63cea689df9e1dffc659b1be
-
SHA1
2ef939e803017691d096be072f319bb3d195f8e0
-
SHA256
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac
-
SHA512
22a636cbb9d3dbb9d91fd926d0e68b66b65f00135efad045db47693cb599f6daf132439b3d6ffda3e1c1b13b6eaad14980df7fc805c0aeac96e689e1910071b2
-
SSDEEP
3072:0HrfzYYc6X/YeW4l/DReos0gXf+EvC6C36eCWdMuoB+s6LRCkuB9N3iQzFXf8qUm:IAcl/DRfkTC3dM7B+mCjSaLxgMs+qH
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
-
Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe -
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe -
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe -
Processes:
resource yara_rule behavioral2/memory/3392-3-0x00000000021C0000-0x000000000327A000-memory.dmp upx behavioral2/memory/3392-1-0x00000000021C0000-0x000000000327A000-memory.dmp upx -
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe -
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe -
Drops file in Windows directory 1 IoCs
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process File created C:\Windows\e575469 bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe"C:\Users\Admin\AppData\Local\Temp\bb8f466cf32dec9c0637ac072d042bf36dd7cc3a0dadef8fbfe71b6a5e9127ac.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System policy modification
PID:3392
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1