Analysis
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max time kernel
95s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
05/03/2025, 09:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c88bad95b2a29e9c4326194e380a01074b5fd0181da986dbad43ac04b952e1d2.dll
Resource
win7-20240903-en
windows7-x64
2 signatures
150 seconds
General
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Target
c88bad95b2a29e9c4326194e380a01074b5fd0181da986dbad43ac04b952e1d2.dll
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Size
315KB
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MD5
c6758fdcb634c357e3ab0fd359a7a2a3
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SHA1
3e6bff1b91a4584c4c1a1485bf8a53f80a663061
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SHA256
c88bad95b2a29e9c4326194e380a01074b5fd0181da986dbad43ac04b952e1d2
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SHA512
2603ed5b25b94bfb34012cf39fef7aafbb5526b09074c74a40df3430673378055fcb0f4741417dd7c7bfda9d01bfe2f53d2ef9aa9bda5e03d4a8af15810d5388
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SSDEEP
6144:WMJOWK4l0wqOVq1GantgQso+gFpRdEyJQpjvkLaX+e:W2OWK4llcntvnYOQBZ
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 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" rundll32mgr.exe -
Ramnit family
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Sality family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe -
Windows security bypass 2 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" rundll32mgr.exe -
Executes dropped EXE 2 IoCs
pid Process 4704 rundll32mgr.exe 4904 WaterMark.exe -
Windows security modification 2 TTPs 7 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" rundll32mgr.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" rundll32mgr.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/memory/4704-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4704-8-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-13-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-9-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-22-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4704-21-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4704-19-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4704-11-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4704-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4704-6-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-25-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-12-0x00000000038A0000-0x000000000492E000-memory.dmp upx behavioral2/memory/4704-28-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4904-43-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4904-51-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4904-49-0x0000000000400000-0x0000000000434000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px737A.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI rundll32mgr.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{0633EE93-D776-472f-A0FF-E1416B8B2E3A}" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "447931840" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURL = "http://www.bing.com/favicon.ico" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IE11SR" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IE11SS&market={language}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURLFallback = "http://www.bing.com/favicon.ico" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\Version = "5" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IESR02" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IESS02&market={language}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTSR" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\DisplayName = "Bing" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTSuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&market={language}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IENTSS" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoURL = "http://go.microsoft.com/fwlink/?LinkID=403856&language={language}&scale={scalelevel}&contrast={contrast}" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000be8c182cdd096941aae77085dae0c18400000000020000000000106600000001000020000000c8a7253a1106d3d0220ef547e0e5df6feb88463c20ceee78357528fbacffebed000000000e80000000020000200000009632c9d51e987f1716475db1ce608f33f8213acf32fadf29a989a250bc42842f10000000123096e9cb1fb62d8c9e5da30089e7544000000091dcafcc30245c8a8c1e3ed3840293b4e24f92270d54dfc89933c7d8011cbe3d98dc8df960c6bcc5660b05be43345b635205d2485eba9def125be7dcc963a424 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURLFallback = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IE11SS&market={language}" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{190000F2-F9A4-11EF-92E8-FAFE8A32395A} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\KnownProvidersUpgradeTime = 590d15d68f81db01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\UpgradeTime = 590d15d68f81db01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A} iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "http://api.bing.com/qsml.aspx?query={searchTerms}&maxwidth={ie:maxWidth}&rowheight={ie:rowHeight}§ionHeight={ie:sectionHeight}&FORM=IESS02&market={language}" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTTopResultURL = "http://www.bing.com/search?q={searchTerms}&src=IE-SearchBox&FORM=IENTTR" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\NTLogoPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\User Preferences iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\3DB9590C4C4C26C4CCBDD94ECAD790359708C3267B = 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 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Internet Explorer\User Preferences\2BB20B33B4171CDAAB6469225AE6A582ED33D7B488 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000be8c182cdd096941aae77085dae0c18400000000020000000000106600000001000020000000365694741098b52a245739acbceb26bc9dda2b1ed37f2ae6d5508e6f9b6ebd7e000000000e8000000002000020000000523ded2481e5a60f5cf66e19b17cdb1421d992826099bbf15e0fcfafc79fbb971000000027ead6e5186800f522761569183ca22640000000fd751e7a633df661c54837164a5e7f6ee4b60fe998f80694d9622824f0b58d7f8212e7d4d043ac7ae9f9266e7e093da88f9c0b8a81fe571c83edd8d75f030919 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4704 rundll32mgr.exe 4704 rundll32mgr.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe 4904 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4704 rundll32mgr.exe Token: SeDebugPrivilege 4904 WaterMark.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2152 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2152 iexplore.exe 2152 iexplore.exe 748 IEXPLORE.EXE 748 IEXPLORE.EXE 748 IEXPLORE.EXE 748 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4704 rundll32mgr.exe 4904 WaterMark.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2120 wrote to memory of 972 2120 rundll32.exe 85 PID 2120 wrote to memory of 972 2120 rundll32.exe 85 PID 2120 wrote to memory of 972 2120 rundll32.exe 85 PID 972 wrote to memory of 4704 972 rundll32.exe 86 PID 972 wrote to memory of 4704 972 rundll32.exe 86 PID 972 wrote to memory of 4704 972 rundll32.exe 86 PID 4704 wrote to memory of 800 4704 rundll32mgr.exe 9 PID 4704 wrote to memory of 808 4704 rundll32mgr.exe 10 PID 4704 wrote to memory of 4904 4704 rundll32mgr.exe 87 PID 4704 wrote to memory of 4904 4704 rundll32mgr.exe 87 PID 4704 wrote to memory of 4904 4704 rundll32mgr.exe 87 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 4244 4904 WaterMark.exe 88 PID 4904 wrote to memory of 2152 4904 WaterMark.exe 94 PID 4904 wrote to memory of 2152 4904 WaterMark.exe 94 PID 4904 wrote to memory of 3768 4904 WaterMark.exe 95 PID 4904 wrote to memory of 3768 4904 WaterMark.exe 95 PID 2152 wrote to memory of 748 2152 iexplore.exe 96 PID 2152 wrote to memory of 748 2152 iexplore.exe 96 PID 2152 wrote to memory of 748 2152 iexplore.exe 96 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:800
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:808
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c88bad95b2a29e9c4326194e380a01074b5fd0181da986dbad43ac04b952e1d2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c88bad95b2a29e9c4326194e380a01074b5fd0181da986dbad43ac04b952e1d2.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4704 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:4244
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2152 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:748
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
PID:3768
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
6Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
Filesize4KB
MD5da597791be3b6e732f0bc8b20e38ee62
SHA11125c45d285c360542027d7554a5c442288974de
SHA2565b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
SHA512d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
88KB
MD5002d5646771d31d1e7c57990cc020150
SHA1a28ec731f9106c252f313cca349a68ef94ee3de9
SHA2561e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f
SHA512689e90e7d83eef054a168b98ba2b8d05ab6ff8564e199d4089215ad3fe33440908e687aa9ad7d94468f9f57a4cc19842d53a9cd2f17758bdadf0503df63629c6
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Filesize
164KB
MD5a3b1f1c4cd75bea10095e054f990bf1d
SHA115bf037b2166d2533e12bbec9f1d5f9a3ad8c81b
SHA256a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee
SHA5127457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94