Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/02/2024, 21:39
Static task
static1
Behavioral task
behavioral1
Sample
a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe
Resource
win7-20240215-en
General
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Target
a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe
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Size
2.5MB
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MD5
45cc2bf255836045f0ddd68a4a816286
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SHA1
0ba051f5e12d03fc6d6c3e17b1a0c0e9677661d2
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SHA256
a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422
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SHA512
2000d6b36d60f4e71c70b5b2d5e7c90ce0c5c9273b834089bd872695ee2f97c5fcb4296fb45ed859db1ed2c16862165f1a5256a7e61b5acfaee4f93e466e6963
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SSDEEP
49152:avaVivb0Ek/uOaxO9aca2JP05ABxCIWqUNA/usY/p:ava8vb0F/y+B+5ABMqUXp
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 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
resource yara_rule behavioral2/memory/1788-1-0x00000000025B0000-0x000000000366A000-memory.dmp upx behavioral2/memory/1788-3-0x00000000025B0000-0x000000000366A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe File created C:\Windows\e5742e5 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe 1788 a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.exe"C:\Users\Admin\AppData\Local\Temp\a28c83c01d7c578118439f840be63a331e3b835cedba33d3914f2532db447422.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 behavior: EnumeratesProcesses
- System policy modification
PID:1788
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1