Analysis
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max time kernel
120s -
max time network
85s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 14:00
Static task
static1
Behavioral task
behavioral1
Sample
b415a50f457610f1f8dffd439e6ef30414f0813bf7cf5cdd4aaf5afa655f30f0.dll
Resource
win7-20240729-en
General
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Target
b415a50f457610f1f8dffd439e6ef30414f0813bf7cf5cdd4aaf5afa655f30f0.dll
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Size
724KB
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MD5
4029621ee8778109c18c28ec49210bc7
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SHA1
b1dcadc9b6f95ae4190aaaa729adf9fa181d0dcb
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SHA256
b415a50f457610f1f8dffd439e6ef30414f0813bf7cf5cdd4aaf5afa655f30f0
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SHA512
f2d06f6088ea3598665ef0c24ea5a92acaaba770780f60315d630b7a53f8429a8a8adf5eabb1421fc80edd16694de1e5e6f944e37146b4c9f0f11b2f3ddde65f
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SSDEEP
12288:rzb9rMfc+CKUQyUmjtc4euuzPrs9pGp8hunWoopooK9kwPkQ:rzb1MlCKUQyUmjtczu6Prs9pgWoopooE
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,c:\\program files (x86)\\microsoft\\watermark.exe" svchost.exe -
Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 468 rundll32mgr.exe 2736 WaterMark.exe -
Loads dropped DLL 4 IoCs
pid Process 1656 rundll32.exe 1656 rundll32.exe 468 rundll32mgr.exe 468 rundll32mgr.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\dmlconf.dat svchost.exe File opened for modification C:\Windows\SysWOW64\dmlconf.dat svchost.exe File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral1/memory/468-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2736-26-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2736-52-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2736-61-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/2736-618-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.dll svchost.exe File opened for modification C:\Program Files\Windows Defender\MpSvc.dll svchost.exe File opened for modification C:\Program Files\Windows Photo Viewer\PhotoBase.dll svchost.exe File opened for modification C:\Program Files\Common Files\System\DirectDB.dll svchost.exe File opened for modification C:\Program Files\Internet Explorer\DiagnosticsHub.DataWarehouse.dll svchost.exe File opened for modification C:\Program Files\Java\jre7\bin\jli.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\mux\libmux_asf_plugin.dll svchost.exe File opened for modification C:\Program Files\DVD Maker\Pipeline.dll svchost.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOInstallerUI.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe svchost.exe File opened for modification C:\Program Files\Java\jre7\bin\j2pcsc.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_mixer\libfloat_mixer_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libnsv_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\access\libnfs_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\stream_filter\libadf_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe svchost.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.IdentityModel.dll svchost.exe File opened for modification C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\axvlc.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libugly_resampler_plugin.dll svchost.exe File opened for modification C:\Program Files\Windows Photo Viewer\PhotoViewer.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\license.html svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\System.Data.Services.Client.resources.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Data.Linq.Resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\librawvideo_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\mux\libmux_mp4_plugin.dll svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\InkWatson.exe svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\MSInfo\msinfo32.exe svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\wsdetect.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\UIAutomationClientsideProviders.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_filter\libmirror_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libscaletempo_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jre7\bin\hprof.dll svchost.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-locale-l1-1-0.dll svchost.exe File opened for modification C:\Program Files\Mozilla Firefox\msvcp140.dll svchost.exe File opened for modification C:\Program Files\Mozilla Firefox\osclientcerts.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\PresentationFramework.Classic.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libdmo_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\liblibass_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libnoseek_plugin.dll svchost.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\sqlxmlx.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jfr.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Windows.Presentation.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libmono_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_autodel_plugin.dll svchost.exe File opened for modification C:\Program Files\Windows Media Player\wmpshare.exe svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VC\msdia100.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\about.html svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.htm svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\misc\liblogger_plugin.dll svchost.exe File opened for modification C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSLoc.dll svchost.exe File opened for modification C:\Program Files\Common Files\System\ado\msado15.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libgain_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\license.html svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\README.html svchost.exe -
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 rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 2736 WaterMark.exe 2736 WaterMark.exe 2736 WaterMark.exe 2736 WaterMark.exe 2736 WaterMark.exe 2736 WaterMark.exe 2736 WaterMark.exe 2736 WaterMark.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe 2636 svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2736 WaterMark.exe Token: SeDebugPrivilege 2636 svchost.exe Token: SeDebugPrivilege 2736 WaterMark.exe Token: SeDebugPrivilege 1656 rundll32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 868 wrote to memory of 1656 868 rundll32.exe 30 PID 1656 wrote to memory of 468 1656 rundll32.exe 31 PID 1656 wrote to memory of 468 1656 rundll32.exe 31 PID 1656 wrote to memory of 468 1656 rundll32.exe 31 PID 1656 wrote to memory of 468 1656 rundll32.exe 31 PID 468 wrote to memory of 2736 468 rundll32mgr.exe 32 PID 468 wrote to memory of 2736 468 rundll32mgr.exe 32 PID 468 wrote to memory of 2736 468 rundll32mgr.exe 32 PID 468 wrote to memory of 2736 468 rundll32mgr.exe 32 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2732 2736 WaterMark.exe 33 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2736 wrote to memory of 2636 2736 WaterMark.exe 34 PID 2636 wrote to memory of 256 2636 svchost.exe 1 PID 2636 wrote to memory of 256 2636 svchost.exe 1 PID 2636 wrote to memory of 256 2636 svchost.exe 1 PID 2636 wrote to memory of 256 2636 svchost.exe 1 PID 2636 wrote to memory of 256 2636 svchost.exe 1 PID 2636 wrote to memory of 336 2636 svchost.exe 2 PID 2636 wrote to memory of 336 2636 svchost.exe 2 PID 2636 wrote to memory of 336 2636 svchost.exe 2 PID 2636 wrote to memory of 336 2636 svchost.exe 2 PID 2636 wrote to memory of 336 2636 svchost.exe 2 PID 2636 wrote to memory of 384 2636 svchost.exe 3 PID 2636 wrote to memory of 384 2636 svchost.exe 3 PID 2636 wrote to memory of 384 2636 svchost.exe 3 PID 2636 wrote to memory of 384 2636 svchost.exe 3 PID 2636 wrote to memory of 384 2636 svchost.exe 3 PID 2636 wrote to memory of 396 2636 svchost.exe 4 PID 2636 wrote to memory of 396 2636 svchost.exe 4 PID 2636 wrote to memory of 396 2636 svchost.exe 4 PID 2636 wrote to memory of 396 2636 svchost.exe 4 PID 2636 wrote to memory of 396 2636 svchost.exe 4 PID 2636 wrote to memory of 432 2636 svchost.exe 5 PID 2636 wrote to memory of 432 2636 svchost.exe 5 PID 2636 wrote to memory of 432 2636 svchost.exe 5 PID 2636 wrote to memory of 432 2636 svchost.exe 5 PID 2636 wrote to memory of 432 2636 svchost.exe 5 PID 2636 wrote to memory of 476 2636 svchost.exe 6 PID 2636 wrote to memory of 476 2636 svchost.exe 6 PID 2636 wrote to memory of 476 2636 svchost.exe 6 PID 2636 wrote to memory of 476 2636 svchost.exe 6
Processes
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C:\Windows\System32\smss.exe\SystemRoot\System32\smss.exe1⤵PID:256
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵PID:336
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C:\Windows\system32\wininit.exewininit.exe1⤵PID:384
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe2⤵PID:476
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch3⤵PID:600
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe4⤵PID:1488
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}4⤵PID:1028
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS3⤵PID:676
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted3⤵PID:756
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted3⤵PID:796
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"4⤵PID:1360
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs3⤵PID:832
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService3⤵PID:956
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService3⤵PID:1016
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe3⤵PID:692
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork3⤵PID:992
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C:\Windows\system32\taskhost.exe"taskhost.exe"3⤵PID:1292
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C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"3⤵PID:1136
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation3⤵PID:2556
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C:\Windows\system32\sppsvc.exeC:\Windows\system32\sppsvc.exe3⤵PID:2364
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe2⤵PID:492
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C:\Windows\system32\lsm.exeC:\Windows\system32\lsm.exe2⤵PID:500
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵PID:396
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1388
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b415a50f457610f1f8dffd439e6ef30414f0813bf7cf5cdd4aaf5afa655f30f0.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b415a50f457610f1f8dffd439e6ef30414f0813bf7cf5cdd4aaf5afa655f30f0.dll,#13⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:468 -
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 WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe6⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2732
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe6⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html
Filesize144KB
MD56e0f88b2446465caa99890dc358b08cc
SHA11f6a7d5296a3b99635bd51c3bb3639cac35daec4
SHA256aa6017ee97fe4de6387c24dee69558dd7ad9b87da0c0e19ca5a032b6b1c4bf7e
SHA5124d1e6a0a9e41c1cce5742e0af53fa49d81c3675b2b13ebc54e2ed6fd5ff6c06b2cdc21e4b4ec18833f91d04e794dc837bf5dabc0ceb5dcf5e3b6cd6753592b6c
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C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html
Filesize140KB
MD507d94a5848b3a6343e7036a9216d8967
SHA17f2721c542bcf095be3dda7724e2bbe9744156ce
SHA256ae2e83185661124cb512e51f3e87eaf855e6de34f9d45cf4060e7da614543528
SHA5129d3b82f4654d5de60cafa3c406ff46ebed307c2520e5d37efa4b9cc9e98f39a6dddfc60f1bacb294ec093c0b9d64bbc9c281bdc836386ddb3e402ffda5e733a3
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Filesize
65KB
MD5a9ea94ee4a3bb43d4057823b2072dc54
SHA194ade3c34ec08613daba8a1240586c24f8169794
SHA2567edbb67a880d90e53ec7949c4907f4ccf5596899b98ed8651b01a485a7b06789
SHA5120ae24a452c474a0b67eb17ceb78eabc46aad7f04a249d526cbd1bf25ccc94016133ee6cdd1cf342fa3c8dbff60372d18df56137a6c0303bbaee07f005f930ab5