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Analysis
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max time kernel
28s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
21/11/2022, 09:04
Static task
static1
Behavioral task
behavioral1
Sample
164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe
Resource
win7-20221111-en
General
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Target
164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe
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Size
815KB
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MD5
3a4fef9187131e0a815341c421d82629
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SHA1
529382aeef6c787a5f63be92181c8f73e8b80dbb
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SHA256
164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9
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SHA512
02ad79e0d960bdb2e036973ad324ff375dd6d85e86d76f9e30fe9cef5d73d4cb121bd99ef9b6df94ea51cff638db3eb69bb7b4b3ce5a4702bb90783f239e7505
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SSDEEP
24576:Pjxyic0l46XHEwMkcx+IdyOd5hSP5yc9huke:PUi7lBHEE9IcOd5sxycj9e
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" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
resource yara_rule behavioral1/memory/616-55-0x0000000001E60000-0x0000000002F1A000-memory.dmp upx behavioral1/memory/616-57-0x0000000001E60000-0x0000000002F1A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe File created C:\Windows\6c03b9 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe Token: SeDebugPrivilege 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 616 wrote to memory of 1116 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe 18 PID 616 wrote to memory of 1212 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe 17 PID 616 wrote to memory of 1244 616 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe 16 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1244
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C:\Users\Admin\AppData\Local\Temp\164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe"C:\Users\Admin\AppData\Local\Temp\164a1a3344b06e8423f633ce184b72ca56f4754b014ec23c58b4be7656a55af9.exe"2⤵
- 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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:616
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1212
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1116