Analysis
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max time kernel
120s -
max time network
73s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26-12-2024 06:02
Static task
static1
Behavioral task
behavioral1
Sample
683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll
Resource
win7-20240903-en
General
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Target
683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll
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Size
444KB
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MD5
42ed7465e999692d58bd4fb253c70903
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SHA1
e112f2b6055aead172d349971384cfcab9c28276
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SHA256
683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b
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SHA512
526f053cac120d71a10f96405b231b39ef3c7f09af3de468bec6ba016e5462b564d86037df8ae112a80fa33be6189c23dbcbd99435c41eb2247f656061d030d0
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SSDEEP
12288:KXo450qjYthuCNIm/kqF6a2FjyHIDiAstWeO5xzb6A:7/ku6FjyHe5KOP/x
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 2720 rundll32Srv.exe 2652 WaterMark.exe -
Loads dropped DLL 4 IoCs
pid Process 2632 rundll32.exe 2632 rundll32.exe 2720 rundll32Srv.exe 2720 rundll32Srv.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\rundll32Srv.exe rundll32.exe -
resource yara_rule behavioral1/files/0x0007000000012119-1.dat upx behavioral1/memory/2720-17-0x0000000000400000-0x0000000000472000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7zG.exe svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\System.Speech.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libh26x_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\title.htm svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\WindowsFormsIntegration.resources.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\UIAutomationTypes.resources.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\Microsoft.Build.Engine.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_filter\libanaglyph_plugin.dll svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\imjplm.dll svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\mshwjpnr.dll svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.htm svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\PresentationFramework.resources.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\WindowsFormsIntegration.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libsdl_image_plugin.dll svchost.exe File opened for modification C:\Program Files\Windows Defender\MpCommu.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libpva_plugin.dll 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\Common Files\System\ado\msadomd.dll svchost.exe File opened for modification C:\Program Files\Microsoft Games\More Games\MoreGames.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\UIAutomationClientsideProviders.resources.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\System.Speech.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libvpx_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libdemux_stl_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\gui\libskins2_plugin.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\PresentationBuildTasks.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\access\libftp_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libspdif_plugin.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\Google\Chrome\Application\106.0.5249.119\chrome_elf.dll svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.dll svchost.exe File opened for modification C:\Program Files\Java\jre7\bin\deploy.dll svchost.exe File opened for modification C:\Program Files\Java\jre7\bin\installer.dll svchost.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-utility-l1-1-0.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Web.Entity.Resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libnormvol_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\net.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Web.Entity.Design.Resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libxa_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\Microsoft Games\Multiplayer\Backgammon\bckgRes.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Data.Services.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\access\libtimecode_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jre7\bin\jfxwebkit.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Data.DataSetExtensions.Resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libcdg_plugin.dll svchost.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_wer.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\WindowsFormsIntegration.resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libuleaddvaudio_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\System.IdentityModel.Selectors.Resources.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\liboggspots_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\codec\libx264_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_mosaic_bridge_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_chroma\libyuy2_i422_plugin.dll svchost.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Stars.htm svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.Linq.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\logger\libconsole_logger_plugin.dll svchost.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_output\libdrawable_plugin.dll svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe svchost.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\lib\deployed\jdk16\windows-amd64\profilerinterface.dll svchost.exe File opened for modification C:\Program Files\Mozilla Firefox\mozglue.dll svchost.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\UIAutomationClientsideProviders.resources.dll 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32Srv.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 -
Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 2652 WaterMark.exe 2652 WaterMark.exe 2652 WaterMark.exe 2652 WaterMark.exe 2652 WaterMark.exe 2652 WaterMark.exe 2652 WaterMark.exe 2652 WaterMark.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe 2984 svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2652 WaterMark.exe Token: SeDebugPrivilege 2984 svchost.exe Token: SeDebugPrivilege 2652 WaterMark.exe Token: SeDebugPrivilege 2848 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 3004 wrote to memory of 2632 3004 rundll32.exe 30 PID 2632 wrote to memory of 2720 2632 rundll32.exe 31 PID 2632 wrote to memory of 2720 2632 rundll32.exe 31 PID 2632 wrote to memory of 2720 2632 rundll32.exe 31 PID 2632 wrote to memory of 2720 2632 rundll32.exe 31 PID 2720 wrote to memory of 2652 2720 rundll32Srv.exe 32 PID 2720 wrote to memory of 2652 2720 rundll32Srv.exe 32 PID 2720 wrote to memory of 2652 2720 rundll32Srv.exe 32 PID 2720 wrote to memory of 2652 2720 rundll32Srv.exe 32 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2848 2652 WaterMark.exe 33 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2652 wrote to memory of 2984 2652 WaterMark.exe 34 PID 2984 wrote to memory of 256 2984 svchost.exe 1 PID 2984 wrote to memory of 256 2984 svchost.exe 1 PID 2984 wrote to memory of 256 2984 svchost.exe 1 PID 2984 wrote to memory of 256 2984 svchost.exe 1 PID 2984 wrote to memory of 256 2984 svchost.exe 1 PID 2984 wrote to memory of 336 2984 svchost.exe 2 PID 2984 wrote to memory of 336 2984 svchost.exe 2 PID 2984 wrote to memory of 336 2984 svchost.exe 2 PID 2984 wrote to memory of 336 2984 svchost.exe 2 PID 2984 wrote to memory of 336 2984 svchost.exe 2 PID 2984 wrote to memory of 384 2984 svchost.exe 3 PID 2984 wrote to memory of 384 2984 svchost.exe 3 PID 2984 wrote to memory of 384 2984 svchost.exe 3 PID 2984 wrote to memory of 384 2984 svchost.exe 3 PID 2984 wrote to memory of 384 2984 svchost.exe 3 PID 2984 wrote to memory of 396 2984 svchost.exe 4 PID 2984 wrote to memory of 396 2984 svchost.exe 4 PID 2984 wrote to memory of 396 2984 svchost.exe 4 PID 2984 wrote to memory of 396 2984 svchost.exe 4 PID 2984 wrote to memory of 396 2984 svchost.exe 4 PID 2984 wrote to memory of 432 2984 svchost.exe 5 PID 2984 wrote to memory of 432 2984 svchost.exe 5 PID 2984 wrote to memory of 432 2984 svchost.exe 5 PID 2984 wrote to memory of 432 2984 svchost.exe 5 PID 2984 wrote to memory of 432 2984 svchost.exe 5 PID 2984 wrote to memory of 476 2984 svchost.exe 6 PID 2984 wrote to memory of 476 2984 svchost.exe 6 PID 2984 wrote to memory of 476 2984 svchost.exe 6 PID 2984 wrote to memory of 476 2984 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:596
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe4⤵PID:1272
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}4⤵PID:840
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS3⤵PID:672
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted3⤵PID:744
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted3⤵PID:812
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"4⤵PID:1236
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs3⤵PID:848
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C:\Windows\system32\wbem\WMIADAP.EXEwmiadap.exe /F /T /R4⤵PID:1168
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService3⤵PID:964
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService3⤵PID:236
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe3⤵PID:560
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork3⤵PID:1044
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C:\Windows\system32\taskhost.exe"taskhost.exe"3⤵PID:1128
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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:2024
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation3⤵PID:2136
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C:\Windows\system32\sppsvc.exeC:\Windows\system32\sppsvc.exe3⤵PID:1668
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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:1280
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\683ca425f41a71de907a7203e850eaf6a171a7b53982c7a1c7a7129de4b09c8b.dll,#13⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Windows\SysWOW64\rundll32Srv.exeC:\Windows\SysWOW64\rundll32Srv.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720 -
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:2652 -
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
- Suspicious use of AdjustPrivilegeToken
PID:2848
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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:2984
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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.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html
Filesize147KB
MD5ba0c132e6d78f8f7b405633d5e1c3b49
SHA16fc340ed508c830536d81dd35c4de31f2a311b7b
SHA256845a3fb2161a518cc3f9d672f60b464caf2bcb9828e0a8d1a41de99056094820
SHA51230569fb36ae8a7d7948ab6dce33269c0ddbab4fa887414ee9afca2c1f1531b01182eb19a06498fb82b5e4404672a5eb4d722fd61578128d7affb49470ab41d19
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C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html
Filesize144KB
MD5c0038de1ec8e010f79228d08dbe6fec0
SHA1dec2530dd7fde5b3064f166515cb7b49deaf7a50
SHA2566f4d7f48c13c6ebf61248c0b563358c13749bfe6727cfc81dd76f7c0c8198269
SHA51252392497b4fb7408f440ad60ea6b23cb2d71091c2e9e8614257e8be9be9bca653bb37ef174815a38497b1a4a6e346ff674bf649148d97ab379909c4a24b9cfc9
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Filesize
67KB
MD5ce9076b388d0d859a1dbedb92c00f876
SHA10f1a621d667f851a81c25f1adba89f3872ac6eeb
SHA25632c21048d6c384be965ca83d554fb142ea0ca798cc1a552f8e800e75aae142f6
SHA512f52a96c155047fb4cea09f8c6d44db8e0bb267c7829812eefe126d787f3197ed27f45d48eff440d8f9dacf71cd518667064f59bf334f2c871f88354ca60ad293