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Analysis
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max time kernel
36s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 02:51
Static task
static1
Behavioral task
behavioral1
Sample
c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe
Resource
win7-20220812-en
General
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Target
c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe
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Size
120KB
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MD5
81136675db016e17137a93be49cce5b9
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SHA1
0fd077489ff0ece9090e93dba157caf3d6997b60
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SHA256
c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053
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SHA512
ca938117cd1ff2761c3330131a0511a07cc0164b678012111f505e409de8c1fb700dbe21b6760d248f8421c39e91c74248aa26bd61def44bfebd0d728071236c
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SSDEEP
1536:0WA7dVXYtrPM7RtedpS2XN/eFM36UyzsFBnK12oI6lvvlfhPcqzi/EFf9C:OXYelte3S2XN/+Tzs+MB6lFWEFw
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/
http://klkjwre77638dfqwieuoi888.info/
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" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral1/memory/364-55-0x0000000001DF0000-0x0000000002E7E000-memory.dmp upx behavioral1/memory/364-57-0x0000000001DF0000-0x0000000002E7E000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe Token: SeDebugPrivilege 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 364 wrote to memory of 1240 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe 10 PID 364 wrote to memory of 1320 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe 16 PID 364 wrote to memory of 1356 364 c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe 11 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1240
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1356
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C:\Users\Admin\AppData\Local\Temp\c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.exe"C:\Users\Admin\AppData\Local\Temp\c528a08031989fc4c15f29679d91034076040ccf6b342587a569a2b77fc17053.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 WriteProcessMemory
- System policy modification
PID:364
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1320