Analysis
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max time kernel
34s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 17:09
Static task
static1
Behavioral task
behavioral1
Sample
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe
Resource
win7-20220812-en
General
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Target
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe
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Size
384KB
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MD5
52528e16cb63278b04a0731d5fa6fd3f
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SHA1
3e93d7330b7e6cc7fc381ff9c1795dfbde5d4233
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SHA256
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b
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SHA512
b130488fddeadbeec1f7ae1d40e9b272a8a5bd5aa07ae230e68f83aa24260df30ce090b51dc281279a15e68753bb8651d537db55ea5ed5f84707431ff4deeb51
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SSDEEP
6144:VIYpt/lclJFrLYCUKyOsNVJOVeaeXg0eSBN0gJhvzNTov1GjSarvYAysWDhNeRuL:VhOJFd/sgVYXBjDhrxow01BzeI76lFU
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:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Disables Task Manager via registry modification
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Processes:
resource yara_rule behavioral1/memory/1036-55-0x00000000020B0000-0x000000000313E000-memory.dmp upx behavioral1/memory/1036-58-0x00000000020B0000-0x000000000313E000-memory.dmp upx behavioral1/memory/1036-62-0x00000000020B0000-0x000000000313E000-memory.dmp upx -
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Drops file in Windows directory 1 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process File opened for modification C:\Windows\SYSTEM.INI a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exepid process 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription pid process Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Token: SeDebugPrivilege 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exepid process 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription pid process target process PID 1036 wrote to memory of 1124 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe taskhost.exe PID 1036 wrote to memory of 1176 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Dwm.exe PID 1036 wrote to memory of 1220 1036 a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe Explorer.EXE -
System policy modification 1 TTPs 1 IoCs
Processes:
a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1220
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C:\Users\Admin\AppData\Local\Temp\a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe"C:\Users\Admin\AppData\Local\Temp\a3936fbcbe008c53c1dffd443e0dff1ee2921ecc06c77fb1b306fd70e10ae81b.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1036
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1176
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1124