Analysis
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max time kernel
95s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 20:16
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e31256b3fe1297a83302a1939ed688f11622a306eb3b6f8802d5c2d723988c34N.dll
Resource
win7-20240903-en
windows7-x64
24 signatures
120 seconds
General
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Target
e31256b3fe1297a83302a1939ed688f11622a306eb3b6f8802d5c2d723988c34N.dll
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Size
564KB
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MD5
e3052e2019a1ee5b1bfbfcd98ae42a00
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SHA1
3b9a2a534979d4694c257c7139250e91d6776dee
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SHA256
e31256b3fe1297a83302a1939ed688f11622a306eb3b6f8802d5c2d723988c34
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SHA512
91cb24f0b27f235f6325f902d91503f63e8706885f212dfba0e330aeb34015bb00bd33b27585a2bf2a731eaa2dcc512c4f007aaa9e673ed96ae5317af9ba9e50
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SSDEEP
12288:tehnaNPpSVZmNxRCwnwm3W3OHIIf5m9RhWFV/:teh0PpS6NxNnwYeOHXAhWT/
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\EnableFirewall = "0" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 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 2496 rundll32mgr.exe 3052 WaterMark.exe -
Windows security modification 2 TTPs 7 IoCs
description ioc Process 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 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 -
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/2496-6-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/2496-9-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/2496-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-22-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3052-40-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-23-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/2496-27-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/2496-10-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/2496-19-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-18-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-16-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/2496-8-0x0000000003510000-0x000000000459E000-memory.dmp upx behavioral2/memory/3052-47-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/3052-50-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxB9BB.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 -
Program crash 1 IoCs
pid pid_target Process procid_target 1524 2244 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 rundll32.exe 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 IEXPLORE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{67D43CF9-D76B-11EF-9361-FAA11E730504} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1019588185" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157112" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157112" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1015681956" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1019588185" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444169153" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157112" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{67D1DAAF-D76B-11EF-9361-FAA11E730504} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1015681956" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157112" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2496 rundll32mgr.exe 2496 rundll32mgr.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe 3052 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 56 IoCs
description pid Process Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 2496 rundll32mgr.exe Token: SeDebugPrivilege 3052 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3604 iexplore.exe 4400 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3604 iexplore.exe 3604 iexplore.exe 4400 iexplore.exe 4400 iexplore.exe 4164 IEXPLORE.EXE 4164 IEXPLORE.EXE 3180 IEXPLORE.EXE 3180 IEXPLORE.EXE 4164 IEXPLORE.EXE 4164 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2496 rundll32mgr.exe 3052 WaterMark.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 212 wrote to memory of 2244 212 rundll32.exe 82 PID 212 wrote to memory of 2244 212 rundll32.exe 82 PID 212 wrote to memory of 2244 212 rundll32.exe 82 PID 2244 wrote to memory of 2496 2244 rundll32.exe 83 PID 2244 wrote to memory of 2496 2244 rundll32.exe 83 PID 2244 wrote to memory of 2496 2244 rundll32.exe 83 PID 2496 wrote to memory of 784 2496 rundll32mgr.exe 8 PID 2496 wrote to memory of 788 2496 rundll32mgr.exe 9 PID 2496 wrote to memory of 380 2496 rundll32mgr.exe 13 PID 2496 wrote to memory of 2896 2496 rundll32mgr.exe 50 PID 2496 wrote to memory of 2948 2496 rundll32mgr.exe 51 PID 2496 wrote to memory of 3060 2496 rundll32mgr.exe 52 PID 2496 wrote to memory of 3500 2496 rundll32mgr.exe 56 PID 2496 wrote to memory of 3624 2496 rundll32mgr.exe 57 PID 2496 wrote to memory of 3832 2496 rundll32mgr.exe 58 PID 2496 wrote to memory of 3920 2496 rundll32mgr.exe 59 PID 2496 wrote to memory of 3984 2496 rundll32mgr.exe 60 PID 2496 wrote to memory of 4088 2496 rundll32mgr.exe 61 PID 2496 wrote to memory of 3864 2496 rundll32mgr.exe 62 PID 2496 wrote to memory of 1704 2496 rundll32mgr.exe 64 PID 2496 wrote to memory of 3052 2496 rundll32mgr.exe 85 PID 2496 wrote to memory of 3052 2496 rundll32mgr.exe 85 PID 2496 wrote to memory of 3052 2496 rundll32mgr.exe 85 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 4872 3052 WaterMark.exe 86 PID 3052 wrote to memory of 3604 3052 WaterMark.exe 89 PID 3052 wrote to memory of 3604 3052 WaterMark.exe 89 PID 3052 wrote to memory of 4400 3052 WaterMark.exe 90 PID 3052 wrote to memory of 4400 3052 WaterMark.exe 90 PID 4400 wrote to memory of 3180 4400 iexplore.exe 91 PID 4400 wrote to memory of 3180 4400 iexplore.exe 91 PID 4400 wrote to memory of 3180 4400 iexplore.exe 91 PID 3604 wrote to memory of 4164 3604 iexplore.exe 92 PID 3604 wrote to memory of 4164 3604 iexplore.exe 92 PID 3604 wrote to memory of 4164 3604 iexplore.exe 92 -
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:784
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:788
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:380
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2896
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2948
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:3060
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3500
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e31256b3fe1297a83302a1939ed688f11622a306eb3b6f8802d5c2d723988c34N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e31256b3fe1297a83302a1939ed688f11622a306eb3b6f8802d5c2d723988c34N.dll,#13⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe4⤵
- 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:2496 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"5⤵
- 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:3052 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe6⤵PID:4872
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"6⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3604 CREDAT:17410 /prefetch:27⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4164
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"6⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4400 CREDAT:17410 /prefetch:27⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 6084⤵
- Program crash
PID:1524
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3624
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3832
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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:3920
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3984
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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:4088
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3864
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:1704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2244 -ip 22441⤵PID:412
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\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD50ada2095c461df5a751955aa41dd491e
SHA18366c54b31e1ddc8016aa22aab8c83f73c690810
SHA25680cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09
SHA512135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD59af315b98a2a086429475bdf5125669e
SHA1b3f59ccdcc32bc02e9f9a7df724d8c42a5baa1a4
SHA25695685c7ae04c930b57834ef7e8b239d7cd93cfbf258682e078d9b1df059394a3
SHA5126ed3023b3e2ca04ef988a7b8bf83808ffd79023083c526940ad9e1d732b838423836add082f42c8b55f248c9f8b473fe55257328ac22dbaba82f90fb6b7e28e2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5f390c687a88b2b07b7bab6ab69289886
SHA182a0aa4d8dcde0abbe11aa3efb3e2cf6302eee2a
SHA256cf2bf85d94ed2a41e07b23e8aa53b5087de93d003a8b437f9d0214d21a7ee1a1
SHA512fd3f7ddbafa472979f9cb6b67096351eb333fa69f5195ae1ed7b233cc792f6916ee1767b63d5878d25406e298ed6240bc7c233c9038abeee480fd6d61f7a62f0
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{67D1DAAF-D76B-11EF-9361-FAA11E730504}.dat
Filesize4KB
MD598c4a01030b2bbb32d09de54725aa552
SHA1fa2a1fa15b72b949cf2e1f0358fc3becb20acced
SHA25627bbc010aaa888bc52c3abe0158461a605c94421b6bd25a689baba2d8ad37499
SHA51267555bcc77ba05cc9e90ac540ec729a6c39ee174046da3d4dfc51b15a27385b97a31e08ac6e49bfc92a187aac1b6bedee6fdc769417d2bd1ee9234f716872560
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{67D43CF9-D76B-11EF-9361-FAA11E730504}.dat
Filesize5KB
MD553a7468b4625ecdf546fe94ecd034a97
SHA12e5d32f06643eb6784b2177e06f29b618cf52534
SHA2562bf83b41f02837e7e1145947478801e53dff8fcdfa23fc49a7ba2dfb1c4cc213
SHA51266c76a88ff95e6c59e1e86703555dc0422e17448e05b8e855cb08b9efb392dc3b345fc78654ef1b6df0b842700dbf33e05252b027eea2810fbdaebb70889c66e
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
164KB
MD5a3b1f1c4cd75bea10095e054f990bf1d
SHA115bf037b2166d2533e12bbec9f1d5f9a3ad8c81b
SHA256a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee
SHA5127457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94