Analysis
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max time kernel
243s -
max time network
333s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 21:29
Behavioral task
behavioral1
Sample
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe
Resource
win7-20221111-en
General
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Target
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe
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Size
337KB
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MD5
4372dceaf631b9da97fbd9a20e5b4a1f
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SHA1
96724a8fb4641bf5237473d311f661a7086032d8
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SHA256
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880
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SHA512
ffe4170b6bcc78bfb746c86465843ae2fbb690c79c6f9a3157fe2ded5cc7cc82796548b38a7fc853813676eb5475b85e8577182d7c4e53c1ddba8576f562907f
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SSDEEP
1536:Oy/fbYoJfC8Lkh93Ln9GSnLW8d87/Bqi//2rgNFlJZkhAqb6HamCzBm3:OyYLpTUSLW8+zPmryGr66mC9m
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
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Disables Task Manager via registry modification
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Processes:
resource yara_rule behavioral1/memory/672-55-0x0000000001E40000-0x0000000002ECE000-memory.dmp upx behavioral1/memory/672-56-0x0000000031420000-0x000000003143E000-memory.dmp upx behavioral1/memory/672-57-0x0000000001E40000-0x0000000002ECE000-memory.dmp upx behavioral1/memory/672-59-0x0000000031420000-0x000000003143E000-memory.dmp upx behavioral1/memory/672-60-0x0000000001E40000-0x0000000002ECE000-memory.dmp upx -
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Cryptographic Service = "C:\\Windows\\system32\\gxjacn.exe" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Drops file in Windows directory 1 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process File opened for modification C:\Windows\SYSTEM.INI 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exepid process 672 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription pid process Token: SeDebugPrivilege 672 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription pid process target process PID 672 wrote to memory of 1116 672 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe taskhost.exe PID 672 wrote to memory of 1168 672 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Dwm.exe PID 672 wrote to memory of 1216 672 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe Explorer.EXE -
System policy modification 1 TTPs 1 IoCs
Processes:
476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe
Processes
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1168
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1216
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C:\Users\Admin\AppData\Local\Temp\476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe"C:\Users\Admin\AppData\Local\Temp\476af925260218a73329021b50527a666366ca901101209f7592b4a5d4692880.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:672
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1116