Analysis
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max time kernel
139s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 21:41
Behavioral task
behavioral1
Sample
f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe
Resource
win7-20220812-en
windows7-x64
24 signatures
150 seconds
General
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Target
f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe
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Size
1.3MB
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MD5
91da8882e1cfa25253bd1af87ca4b5a2
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SHA1
9dd2eb0bca81ae908648b17af84b0804d5110682
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SHA256
f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b
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SHA512
1e1a5a39d8d6b8160f62eacfd32fbb95521508e2fe6fb02460f4d0b8a913e97876d9f8c4b67b0c9de510aa8bcf1e0a69ba3698961ea7e309251133c58105518a
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SSDEEP
24576:Mr9eBqUp42x7veWHqWiQzqLDltC2JbtJ0qWwVUfo1ocmrUM:MrIBRtx75HqlQzqLhNJ5iqLVU/RUM
Malware Config
Extracted
Family
sality
C2
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
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral2/memory/2508-133-0x0000000000400000-0x000000000075E000-memory.dmp upx behavioral2/memory/2508-132-0x0000000002730000-0x00000000037BE000-memory.dmp upx behavioral2/memory/2508-134-0x0000000000400000-0x000000000075E000-memory.dmp upx behavioral2/memory/2508-135-0x0000000002730000-0x00000000037BE000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe Token: SeDebugPrivilege 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2508 wrote to memory of 780 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 8 PID 2508 wrote to memory of 784 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 9 PID 2508 wrote to memory of 312 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 12 PID 2508 wrote to memory of 2500 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 48 PID 2508 wrote to memory of 2648 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 45 PID 2508 wrote to memory of 2868 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 51 PID 2508 wrote to memory of 2220 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 59 PID 2508 wrote to memory of 2668 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 54 PID 2508 wrote to memory of 3252 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 57 PID 2508 wrote to memory of 3356 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 55 PID 2508 wrote to memory of 3420 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 56 PID 2508 wrote to memory of 3500 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 58 PID 2508 wrote to memory of 3712 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 61 PID 2508 wrote to memory of 4708 2508 f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe 63 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:780
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:784
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:312
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2648
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2500
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2868
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:2668
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3356
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3420
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3252
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:3500
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2220
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C:\Users\Admin\AppData\Local\Temp\f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.exe"C:\Users\Admin\AppData\Local\Temp\f5af8abf39203bd9921420ea3f4ce09551d9e83e0487e819caa531bb7091571b.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:2508
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3712
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4708