Analysis
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max time kernel
95s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-01-2025 04:58
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d7d97457a0bd59f63ae502ae486d8da8fb321f0ec376d0af429ad8e713a71be4.dll
Resource
win7-20241010-en
windows7-x64
24 signatures
120 seconds
General
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Target
d7d97457a0bd59f63ae502ae486d8da8fb321f0ec376d0af429ad8e713a71be4.dll
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Size
564KB
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MD5
81cd786d722468370c611da2b53f0c6b
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SHA1
dbdf1bbf868e2712338f2d9cefea08eee796241c
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SHA256
d7d97457a0bd59f63ae502ae486d8da8fb321f0ec376d0af429ad8e713a71be4
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SHA512
31946194bb745243c57de7319750b4f2b7090f2c3f61a948f16f7ea4fc7628333a1dfff398a37b82eac92c7aa00436c116c254c27243cce33ab29c9d0dfb2ecd
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SSDEEP
12288:tehnaNPpSVZmNxRCwnwm3W3OHIIf5m9RhWFVv:teh0PpS6NxNnwYeOHXAhWTv
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\UacDisableNotify = "1" 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rundll32mgr.exe -
Executes dropped EXE 2 IoCs
pid Process 4624 rundll32mgr.exe 4660 WaterMark.exe -
Windows security modification 2 TTPs 7 IoCs
description ioc Process 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "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/4624-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-11-0x0000000003290000-0x000000000431E000-memory.dmp upx behavioral2/memory/4624-6-0x0000000003290000-0x000000000431E000-memory.dmp upx behavioral2/memory/4624-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-24-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-16-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-13-0x0000000003290000-0x000000000431E000-memory.dmp upx behavioral2/memory/4624-15-0x0000000003290000-0x000000000431E000-memory.dmp upx behavioral2/memory/4660-41-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-22-0x0000000003290000-0x000000000431E000-memory.dmp upx behavioral2/memory/4624-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4624-12-0x0000000003290000-0x000000000431E000-memory.dmp upx behavioral2/memory/4660-47-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4660-50-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px7FAF.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 936 4952 WerFault.exe 83 -
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 Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444373276" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157587" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AA8B96D2-D946-11EF-91C3-FA89EA07D49F} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AA8BBDE2-D946-11EF-91C3-FA89EA07D49F} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157587" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2133275765" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157587" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2132181827" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157587" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2130463213" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2132181827" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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 -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4624 rundll32mgr.exe 4624 rundll32mgr.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe 4660 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4624 rundll32mgr.exe Token: SeDebugPrivilege 4660 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2392 iexplore.exe 3296 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2392 iexplore.exe 2392 iexplore.exe 3296 iexplore.exe 3296 iexplore.exe 4684 IEXPLORE.EXE 4684 IEXPLORE.EXE 32 IEXPLORE.EXE 32 IEXPLORE.EXE 4684 IEXPLORE.EXE 4684 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4624 rundll32mgr.exe 4660 WaterMark.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4044 wrote to memory of 4952 4044 rundll32.exe 83 PID 4044 wrote to memory of 4952 4044 rundll32.exe 83 PID 4044 wrote to memory of 4952 4044 rundll32.exe 83 PID 4952 wrote to memory of 4624 4952 rundll32.exe 84 PID 4952 wrote to memory of 4624 4952 rundll32.exe 84 PID 4952 wrote to memory of 4624 4952 rundll32.exe 84 PID 4624 wrote to memory of 784 4624 rundll32mgr.exe 8 PID 4624 wrote to memory of 792 4624 rundll32mgr.exe 9 PID 4624 wrote to memory of 332 4624 rundll32mgr.exe 13 PID 4624 wrote to memory of 2596 4624 rundll32mgr.exe 44 PID 4624 wrote to memory of 2608 4624 rundll32mgr.exe 45 PID 4624 wrote to memory of 2748 4624 rundll32mgr.exe 47 PID 4624 wrote to memory of 4660 4624 rundll32mgr.exe 86 PID 4624 wrote to memory of 4660 4624 rundll32mgr.exe 86 PID 4624 wrote to memory of 4660 4624 rundll32mgr.exe 86 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 3788 4660 WaterMark.exe 88 PID 4660 wrote to memory of 2392 4660 WaterMark.exe 90 PID 4660 wrote to memory of 2392 4660 WaterMark.exe 90 PID 4660 wrote to memory of 3296 4660 WaterMark.exe 91 PID 4660 wrote to memory of 3296 4660 WaterMark.exe 91 PID 3296 wrote to memory of 4684 3296 iexplore.exe 92 PID 3296 wrote to memory of 4684 3296 iexplore.exe 92 PID 3296 wrote to memory of 4684 3296 iexplore.exe 92 PID 2392 wrote to memory of 32 2392 iexplore.exe 93 PID 2392 wrote to memory of 32 2392 iexplore.exe 93 PID 2392 wrote to memory of 32 2392 iexplore.exe 93 -
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:792
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:332
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2596
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2608
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2748
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d7d97457a0bd59f63ae502ae486d8da8fb321f0ec376d0af429ad8e713a71be4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d7d97457a0bd59f63ae502ae486d8da8fb321f0ec376d0af429ad8e713a71be4.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952 -
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:4624 -
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:4660 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:3788
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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:2392 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2392 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:32
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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:3296 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3296 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 6083⤵
- Program crash
PID:936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4952 -ip 49521⤵PID:3060
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
MD52c48c73220d62a8faffe599e95896274
SHA1452cd4222360fe7e881055d815ec65a2bbac564b
SHA25635a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967
SHA5126547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5551400e6018fac50eb7e0da33c6d17e6
SHA170caefe951b58987ddc714eb506233a5af20d142
SHA25688b84b0f30b2c0a49134ec78b8ab6f9afcab9717e321bee502ed83e4b5fcb606
SHA5121695412014f322dc74a9656665e6892ff54561f4d9a424ac78ec226dba0bb539fc2417f25766585ec5890046b3274e6dbc9f72411a45473a3eeff0dc4a0500c6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD529f59ea24b532462643a03d11ba510fd
SHA1b419a79c03647f7b6e6341db01d97ce65cbb4333
SHA2569481192344e3913f025bf6b43c704bfb220346549b5418808a861a043b679ca7
SHA512221a4fd6a61a90785e538b562057caf7838757bda56ed84b1eccdf42a8844d941ac19637cf4c4668095786c0f0b9706b9efa3d7988cf566faefb5b130ca21d2f
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AA8B96D2-D946-11EF-91C3-FA89EA07D49F}.dat
Filesize5KB
MD5f6cec32719ea200095bdacb5e6779ad0
SHA19d73178de23182d3396ce504beb93a944c5a591d
SHA256332403cefae4e5da7832d9a7a1b49963904020ae2f0be9da9677bfa70d6fbbb7
SHA51220b822aa84099cfe70b2f227c0d9bb5492c5d8c628c160d1218dcf1fea3747cf71341877b1be010a51eb862693faa88bf3afaebf64a7dc576d86ed70a3e3d20c
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AA8BBDE2-D946-11EF-91C3-FA89EA07D49F}.dat
Filesize3KB
MD5a05c9c409396935ef4ee3812439d11e7
SHA15401f43517cf7e240173dd158668dd29a477c76b
SHA256b012e058a836232b2244149a724bddd7e22e5cb1378d6d520e43cc39558f51d1
SHA5122d79328fe355112ea68762f72052ae1a235b08b37006bd0f0aa135694fa0f8010fc9c31c46925829a71d173c92aad81aeed7c706d8351bb1b90ea026224c82c2
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
164KB
MD5a3b1f1c4cd75bea10095e054f990bf1d
SHA115bf037b2166d2533e12bbec9f1d5f9a3ad8c81b
SHA256a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee
SHA5127457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94