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Analysis
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max time kernel
40s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
21/11/2022, 08:29
Static task
static1
Behavioral task
behavioral1
Sample
c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe
Resource
win7-20220812-en
General
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Target
c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe
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Size
229KB
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MD5
09661e6e0cfd6034b6895e11effd14f0
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SHA1
0cad6ac68ef67a7c310b772a31d5714709ea7691
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SHA256
c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73
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SHA512
9bafcc18f4f372db4b734d72be77b7e1c8d23ecd17a366da73be139f83ae5b9d3704a4fcb2f7ba24bbcc67f928737d56cc8239bc7ba9c2776a8c77932116de0e
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SSDEEP
3072:Jbq9FP/7UNphUsUXWbGCa0/v0wtRegKPdojBR4sKH4WNB01PzQGSy:JYJGOsUmbGBpBPyVRMNBMPzLSy
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" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
resource yara_rule behavioral1/memory/1116-55-0x0000000001D60000-0x0000000002E1A000-memory.dmp upx behavioral1/memory/1116-57-0x0000000001D60000-0x0000000002E1A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\6c42cb c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe File opened for modification C:\Windows\SYSTEM.INI c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe Token: SeDebugPrivilege 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1116 wrote to memory of 1264 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe 18 PID 1116 wrote to memory of 1348 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe 17 PID 1116 wrote to memory of 1416 1116 c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe 12 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1416
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C:\Users\Admin\AppData\Local\Temp\c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.exe"C:\Users\Admin\AppData\Local\Temp\c177bf38fd65908c31e73034311fe4d34e7d0f42cb940a11c8dc751050862f73.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:1116
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1348
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1264