Analysis
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max time kernel
96s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2025 06:51
Static task
static1
Behavioral task
behavioral1
Sample
a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe
Resource
win7-20240903-en
General
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Target
a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe
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Size
1.7MB
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MD5
46f78b0cd766b5e7348b7d2946ce4c34
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SHA1
231304a42e99fedae9ddfccd5c06fc836b56edc3
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SHA256
a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6
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SHA512
0532c01e8c195cc74c46be7418333a9c979a7f6dbe7ec64c1c3b94b4305eae4a9737ff881a2285967b53ca9b5dd3cd8ffa8bdf993271da8d4d71f877d4843ae8
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SSDEEP
49152:fLcZcTf42QeqVOrVnu4T7+sW8zEsvS7Jo1Sm:weTfUe6quC
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
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Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
resource yara_rule behavioral2/memory/5012-4-0x0000000002510000-0x00000000035CA000-memory.dmp upx behavioral2/memory/5012-9-0x0000000002510000-0x00000000035CA000-memory.dmp upx behavioral2/memory/5012-3-0x0000000002510000-0x00000000035CA000-memory.dmp upx behavioral2/memory/5012-6-0x0000000002510000-0x00000000035CA000-memory.dmp upx behavioral2/memory/5012-1-0x0000000002510000-0x00000000035CA000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e578a1f a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe File opened for modification C:\Windows\SYSTEM.INI a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.exe"C:\Users\Admin\AppData\Local\Temp\a403781e651d85e07452d8b5d8eba3ee5dcca0271d81b1dca4c661f9f10b42f6.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 Location Discovery: System Language Discovery
- System policy modification
PID:5012
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5