Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-12-2024 17:18
Static task
static1
Behavioral task
behavioral1
Sample
ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe
Resource
win7-20240903-en
General
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Target
ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe
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Size
653KB
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MD5
ec3be31f1140a8570a20b1833a7e563a
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SHA1
21f55b0c6ca0052daa3d6ab2b0c7cec380fa9069
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SHA256
ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8
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SHA512
51eb5c5de0799ee7f080e9267b9093a55107aeca6bfa46cf3ff24d11f820eeea2e67ede7e7e96462cfa1074350f852e43065a1daa4efa3f1361212b986064988
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SSDEEP
12288:T8MxLli5Dqsy4Kx7EkPdBdtueuu0Wdbcx07TBkezAQMGk+uU6qHdFEv:T8MHi5DuLtdBfLpk5QMGKTsdFEv
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\DoNotAllowExceptions = "0" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
resource yara_rule behavioral2/memory/716-2-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/716-4-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/716-5-0x00000000025F0000-0x00000000036AA000-memory.dmp upx behavioral2/memory/716-7-0x00000000025F0000-0x00000000036AA000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e57a2b8 ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe File opened for modification C:\Windows\SYSTEM.INI ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.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 ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 716 ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe"C:\Users\Admin\AppData\Local\Temp\ac1538b086450db655a1b965d83645e46e51a1b6ce9e3f6f106503a83eeb41f8.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- System policy modification
PID:716
Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege 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
5Pre-OS Boot
1Bootkit
1