Analysis
-
max time kernel
0s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17-04-2024 08:21
Static task
static1
Behavioral task
behavioral1
Sample
fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe
Resource
win7-20240221-en
General
-
Target
fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe
-
Size
3.8MB
-
MD5
4731c408446c45e2c2b66ac044a37167
-
SHA1
aad4461792f57ecf6a62a63a13cf1f739e06146d
-
SHA256
fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b
-
SHA512
c59ada7a530613d6291b132ff1bbf724f44b66f7800f623b1e42af224ee164166ac7ecf044fa107af2cd96064fd574100baf452e1ad07d3c9fa2024de47ff460
-
SSDEEP
98304:Hd4/Bb/K54kJ4qA9CEcl8ARB1Nj8i6m7k+0fFLOAkGkzdnEVomFHKnPun5:94V/rH9Wj8i6m7k+4FLOyomFHKnPu5
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
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
resource yara_rule behavioral2/memory/4436-1-0x0000000002770000-0x000000000382A000-memory.dmp upx -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e57321c fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe File opened for modification C:\Windows\SYSTEM.INI fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4436 fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4436 fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe 4436 fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe 4436 fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe"C:\Users\Admin\AppData\Local\Temp\fbf04796e7ec5deb78a55930843f3469ce7628217ce5c7a2be576fc6775e642b.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:4436
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1