Analysis
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max time kernel
18s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 10:36
Static task
static1
Behavioral task
behavioral1
Sample
5318d1d121856d35ee5670f13c5aea7919edd08356cff866fd7d573a6aa611f9N.dll
Resource
win7-20241010-en
General
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Target
5318d1d121856d35ee5670f13c5aea7919edd08356cff866fd7d573a6aa611f9N.dll
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Size
377KB
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MD5
a2ddcdd771cf768619e13b46ec745a70
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SHA1
3d75fa2150a282a0f3eeda0b96601f9f7e98a029
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SHA256
5318d1d121856d35ee5670f13c5aea7919edd08356cff866fd7d573a6aa611f9
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SHA512
5ced512949515fa95a3f6bd3232f7a47351b1b29e21df1b179083ffa1753f7ff0df65135d684fb6ea07ddf3cb4ba336a9c4c53d394d54348b8cfcbaebe5717be
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SSDEEP
6144:HxGMku94XCzTurXzURlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm01M:HxGCOXzURlbDC9K69u2m+SqOWcsQQKiE
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 3 TTPs 6 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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" WaterMark.exe -
Ramnit family
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Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" WaterMark.exe -
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\FirewallOverride = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" WaterMark.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\UpdatesDisableNotify = "1" rundll32mgr.exe 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" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" WaterMark.exe -
Executes dropped EXE 2 IoCs
pid Process 2884 rundll32mgr.exe 4012 WaterMark.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rundll32mgr.exe 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" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" WaterMark.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\UpdatesDisableNotify = "1" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "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\UpdatesDisableNotify = "1" WaterMark.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc WaterMark.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" WaterMark.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" WaterMark.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" WaterMark.exe -
Enumerates connected drives 3 TTPs 5 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: WaterMark.exe File opened (read-only) \??\G: WaterMark.exe File opened (read-only) \??\H: WaterMark.exe File opened (read-only) \??\I: WaterMark.exe File opened (read-only) \??\J: WaterMark.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/2884-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2884-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2884-13-0x00000000037D0000-0x000000000485E000-memory.dmp upx behavioral2/memory/2884-22-0x00000000037D0000-0x000000000485E000-memory.dmp upx behavioral2/memory/2884-29-0x00000000037D0000-0x000000000485E000-memory.dmp upx behavioral2/memory/2884-14-0x00000000037D0000-0x000000000485E000-memory.dmp upx behavioral2/memory/2884-21-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2884-6-0x00000000037D0000-0x000000000485E000-memory.dmp upx behavioral2/memory/2884-16-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2884-12-0x00000000037D0000-0x000000000485E000-memory.dmp upx behavioral2/memory/2884-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2884-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2884-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4012-54-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-48-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-53-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-47-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-45-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-50-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4012-44-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-49-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-32-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-34-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-86-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-85-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-87-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-89-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-90-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-94-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-96-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-97-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-99-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4012-101-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-102-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-106-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-112-0x0000000003190000-0x000000000421E000-memory.dmp upx behavioral2/memory/4012-135-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4012-136-0x0000000003190000-0x000000000421E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px8B58.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 4348 4140 WerFault.exe 84 -
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 IEXPLORE.EXE 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 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D2EA51BC-A018-11EF-B9B6-520873AEBE93} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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 (data) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D2E7EFD4-A018-11EF-B9B6-520873AEBE93} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 2884 rundll32mgr.exe 2884 rundll32mgr.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4348 WerFault.exe 4348 WerFault.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe 4012 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 2884 rundll32mgr.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe Token: SeDebugPrivilege 4012 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1852 iexplore.exe 1532 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1852 iexplore.exe 1852 iexplore.exe 1532 iexplore.exe 1532 iexplore.exe 1592 IEXPLORE.EXE 1592 IEXPLORE.EXE 1124 IEXPLORE.EXE 1124 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2884 rundll32mgr.exe 4012 WaterMark.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2468 wrote to memory of 4140 2468 rundll32.exe 84 PID 2468 wrote to memory of 4140 2468 rundll32.exe 84 PID 2468 wrote to memory of 4140 2468 rundll32.exe 84 PID 4140 wrote to memory of 2884 4140 rundll32.exe 85 PID 4140 wrote to memory of 2884 4140 rundll32.exe 85 PID 4140 wrote to memory of 2884 4140 rundll32.exe 85 PID 2884 wrote to memory of 776 2884 rundll32mgr.exe 8 PID 2884 wrote to memory of 4012 2884 rundll32mgr.exe 88 PID 2884 wrote to memory of 4012 2884 rundll32mgr.exe 88 PID 2884 wrote to memory of 4012 2884 rundll32mgr.exe 88 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 64 4012 WaterMark.exe 90 PID 4012 wrote to memory of 776 4012 WaterMark.exe 8 PID 4012 wrote to memory of 784 4012 WaterMark.exe 9 PID 4012 wrote to memory of 384 4012 WaterMark.exe 13 PID 4012 wrote to memory of 2544 4012 WaterMark.exe 44 PID 4012 wrote to memory of 2608 4012 WaterMark.exe 45 PID 4012 wrote to memory of 2752 4012 WaterMark.exe 47 PID 4012 wrote to memory of 3560 4012 WaterMark.exe 56 PID 4012 wrote to memory of 3664 4012 WaterMark.exe 57 PID 4012 wrote to memory of 3864 4012 WaterMark.exe 58 PID 4012 wrote to memory of 3960 4012 WaterMark.exe 59 PID 4012 wrote to memory of 4028 4012 WaterMark.exe 60 PID 4012 wrote to memory of 760 4012 WaterMark.exe 61 PID 4012 wrote to memory of 4196 4012 WaterMark.exe 62 PID 4012 wrote to memory of 4084 4012 WaterMark.exe 74 PID 4012 wrote to memory of 3104 4012 WaterMark.exe 76 PID 4012 wrote to memory of 3220 4012 WaterMark.exe 77 PID 4012 wrote to memory of 2556 4012 WaterMark.exe 82 PID 4012 wrote to memory of 2468 4012 WaterMark.exe 83 PID 4012 wrote to memory of 4140 4012 WaterMark.exe 84 PID 4012 wrote to memory of 4140 4012 WaterMark.exe 84 PID 4012 wrote to memory of 3356 4012 WaterMark.exe PID 4012 wrote to memory of 4348 4012 WaterMark.exe 89 PID 4012 wrote to memory of 4348 4012 WaterMark.exe 89 PID 4012 wrote to memory of 1852 4012 WaterMark.exe 91 PID 4012 wrote to memory of 1852 4012 WaterMark.exe 91 PID 4012 wrote to memory of 1532 4012 WaterMark.exe 92 PID 4012 wrote to memory of 1532 4012 WaterMark.exe 92 PID 1852 wrote to memory of 1124 1852 iexplore.exe 93 PID 1852 wrote to memory of 1124 1852 iexplore.exe 93 PID 1852 wrote to memory of 1124 1852 iexplore.exe 93 PID 1532 wrote to memory of 1592 1532 iexplore.exe 94 PID 1532 wrote to memory of 1592 1532 iexplore.exe 94 PID 1532 wrote to memory of 1592 1532 iexplore.exe 94 PID 4012 wrote to memory of 776 4012 WaterMark.exe 8 PID 4012 wrote to memory of 784 4012 WaterMark.exe 9 PID 4012 wrote to memory of 384 4012 WaterMark.exe 13 PID 4012 wrote to memory of 2544 4012 WaterMark.exe 44 PID 4012 wrote to memory of 2608 4012 WaterMark.exe 45 PID 4012 wrote to memory of 2752 4012 WaterMark.exe 47 PID 4012 wrote to memory of 3560 4012 WaterMark.exe 56 PID 4012 wrote to memory of 3664 4012 WaterMark.exe 57 PID 4012 wrote to memory of 3864 4012 WaterMark.exe 58 PID 4012 wrote to memory of 3960 4012 WaterMark.exe 59 PID 4012 wrote to memory of 4028 4012 WaterMark.exe 60 PID 4012 wrote to memory of 760 4012 WaterMark.exe 61 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" WaterMark.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:776
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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:384
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2544
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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:2752
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3560
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5318d1d121856d35ee5670f13c5aea7919edd08356cff866fd7d573a6aa611f9N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5318d1d121856d35ee5670f13c5aea7919edd08356cff866fd7d573a6aa611f9N.dll,#13⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4140 -
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:2884 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"5⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- 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:4012 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe6⤵PID:64
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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:1852 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1852 CREDAT:17410 /prefetch:27⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1124
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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:1532 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1532 CREDAT:17410 /prefetch:27⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 6284⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:4348
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3664
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3864
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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:3960
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4028
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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:760
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4196
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:4084
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3104
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3220
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:2556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4140 -ip 41401⤵PID:3728
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:4764
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:4972
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵PID:4580
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C:\Windows\explorer.exeexplorer.exe1⤵PID:1392
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:3772
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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5ea6f4f772f0c592e24ca8ec502eac7ba
SHA1fe49ef754f38cc6f22d79f702e087263c7ce5ed3
SHA256c66e4655524d70901b0e460076e5088f0033d09c7c8f175e05221569cf572e13
SHA512070d13ecefac10740d746931329d32f12f69f70442e86ab955dff74a3b4cee16beb0cefd124ba97d39deaa67c7442022332d2e2eb30e416d8350a428da9d6f60
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD52617fa049cad301f96b6cc6c3399ed25
SHA1d299b67d1abacfde916133e7c1bb7732e7eea154
SHA25625cd6fcc8d87c4e63155754b6ec4b7e7e77bcebb9e5233e493978d9a3ac7002e
SHA512f9ebaeb5f14dd69c3c5ffa01783ce4a3a49338895f0d505e1fbcee47905c467f87c6697e90c04d2991f481f8ec4f75186434458ffd33893b814230853629467c
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D2E7EFD4-A018-11EF-B9B6-520873AEBE93}.dat
Filesize5KB
MD58623088696786e2e093fa3796e43852e
SHA1b812566faa617fa377af15c9b6d3a5dda33ffc80
SHA25654ade485b57fdc98db297352d60375216fa8b2040164e6cba5197635dfdb3029
SHA512657b79208966335853d1b98b6ecb236f33ba17bfc3101d9016ec5e8c5edb9940c8c0ebcd0c82f113642df469d1ee6b11bb4a4e0dc73d8ecf78807ccb93ecfc5a
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D2EA51BC-A018-11EF-B9B6-520873AEBE93}.dat
Filesize5KB
MD568e29e1fd2f8079c337da9fb249e21db
SHA1ec60fcd1d0a2cfae80a42c6b8e8273e1b817e10c
SHA256d74e272e3e98c81af4dfcbb710c05f184a2b1dab4370257502d1622204caf1c5
SHA51206f318d5f07c9dece6e9b3b8b6e37aeb7234245684c22009d02e8d9713b9d075f9b13d457f6aef14534b60e808085c00ed5319282e424b4b564c596a4927ecd2
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
257B
MD56378cb77f3bfd2c0d3384cc9f36e4709
SHA168750e8a83b5dbe5e497786a47f7dab9ec35ff0e
SHA256e209427bbe25b94fccc7e494ba4ca73f3ababae02a00d6cff4258b6ecbe647e1
SHA512e9a83c73db9fed299a4266f188f73062ef90900791481fe0e0145a832f149a00d67b58eb578b66312507ba9f630a06244003683ccf56677e8844d578580f18ad
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Filesize
164KB
MD5a3b1f1c4cd75bea10095e054f990bf1d
SHA115bf037b2166d2533e12bbec9f1d5f9a3ad8c81b
SHA256a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee
SHA5127457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94
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Filesize
100KB
MD5a5761af4488a6acb8ff4a8e6c68ce499
SHA15ede26672a8b9ebd27a107fff009164bbd259ed4
SHA2561b65f81c02ef9d804e1a0db45f96b8a47ae8d8f48c9a207ff7bd04fe041759de
SHA51279e99e86637b6a29c0ddfbd8cc82a9640e1bef8c445905895fffa7c774cae0f102d3b3a6d46b9d7944e217308d55eeb8894b32497a6776f2531bea6f3d5814cb