Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2025 19:50
Static task
static1
Behavioral task
behavioral1
Sample
586f70c01d659e169a5ba71289db61dec251af98749491a917e3922cfaa162f0.dll
Resource
win7-20240903-en
General
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Target
586f70c01d659e169a5ba71289db61dec251af98749491a917e3922cfaa162f0.dll
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Size
205KB
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MD5
815489afafac56f981e4f35e7d2f0c92
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SHA1
a66e91aa537cc9cdfb1bb7da0c1776e5168eab71
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SHA256
586f70c01d659e169a5ba71289db61dec251af98749491a917e3922cfaa162f0
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SHA512
5985d8a6d70054ae3e16f88a8f375c093f36b17206c980eb1c33308583c6c361b522adb4f9489b07fd9cdf6b5477e8d3a08169fdf0847daf2ce751510792faee
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SSDEEP
3072:SgB3oFE5a27z3EAS1uvY8XDxr3gNO0QO8rH/PyLpiuwRTzDZX:l1X33Eov9XDJgNAfqqRh
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List rundll32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile rundll32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications rundll32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\rundll32.exe = "C:\\Windows\\SysWOW64\\rundll32.exe:*:enabled:@shell32.dll,-1" rundll32.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 9 3156 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 4008 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/files/0x000c000000023b0f-4.dat upx behavioral2/memory/4008-5-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/4008-15-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 864 4008 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4008 rundll32mgr.exe 4008 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe 4008 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4008 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2328 wrote to memory of 3156 2328 rundll32.exe 82 PID 2328 wrote to memory of 3156 2328 rundll32.exe 82 PID 2328 wrote to memory of 3156 2328 rundll32.exe 82 PID 3156 wrote to memory of 4008 3156 rundll32.exe 83 PID 3156 wrote to memory of 4008 3156 rundll32.exe 83 PID 3156 wrote to memory of 4008 3156 rundll32.exe 83 PID 4008 wrote to memory of 616 4008 rundll32mgr.exe 5 PID 4008 wrote to memory of 616 4008 rundll32mgr.exe 5 PID 4008 wrote to memory of 616 4008 rundll32mgr.exe 5 PID 4008 wrote to memory of 616 4008 rundll32mgr.exe 5 PID 4008 wrote to memory of 616 4008 rundll32mgr.exe 5 PID 4008 wrote to memory of 616 4008 rundll32mgr.exe 5 PID 4008 wrote to memory of 672 4008 rundll32mgr.exe 7 PID 4008 wrote to memory of 672 4008 rundll32mgr.exe 7 PID 4008 wrote to memory of 672 4008 rundll32mgr.exe 7 PID 4008 wrote to memory of 672 4008 rundll32mgr.exe 7 PID 4008 wrote to memory of 672 4008 rundll32mgr.exe 7 PID 4008 wrote to memory of 672 4008 rundll32mgr.exe 7 PID 4008 wrote to memory of 776 4008 rundll32mgr.exe 8 PID 4008 wrote to memory of 776 4008 rundll32mgr.exe 8 PID 4008 wrote to memory of 776 4008 rundll32mgr.exe 8 PID 4008 wrote to memory of 776 4008 rundll32mgr.exe 8 PID 4008 wrote to memory of 776 4008 rundll32mgr.exe 8 PID 4008 wrote to memory of 776 4008 rundll32mgr.exe 8 PID 4008 wrote to memory of 784 4008 rundll32mgr.exe 9 PID 4008 wrote to memory of 784 4008 rundll32mgr.exe 9 PID 4008 wrote to memory of 784 4008 rundll32mgr.exe 9 PID 4008 wrote to memory of 784 4008 rundll32mgr.exe 9 PID 4008 wrote to memory of 784 4008 rundll32mgr.exe 9 PID 4008 wrote to memory of 784 4008 rundll32mgr.exe 9 PID 4008 wrote to memory of 792 4008 rundll32mgr.exe 10 PID 4008 wrote to memory of 792 4008 rundll32mgr.exe 10 PID 4008 wrote to memory of 792 4008 rundll32mgr.exe 10 PID 4008 wrote to memory of 792 4008 rundll32mgr.exe 10 PID 4008 wrote to memory of 792 4008 rundll32mgr.exe 10 PID 4008 wrote to memory of 792 4008 rundll32mgr.exe 10 PID 4008 wrote to memory of 900 4008 rundll32mgr.exe 11 PID 4008 wrote to memory of 900 4008 rundll32mgr.exe 11 PID 4008 wrote to memory of 900 4008 rundll32mgr.exe 11 PID 4008 wrote to memory of 900 4008 rundll32mgr.exe 11 PID 4008 wrote to memory of 900 4008 rundll32mgr.exe 11 PID 4008 wrote to memory of 900 4008 rundll32mgr.exe 11 PID 4008 wrote to memory of 948 4008 rundll32mgr.exe 12 PID 4008 wrote to memory of 948 4008 rundll32mgr.exe 12 PID 4008 wrote to memory of 948 4008 rundll32mgr.exe 12 PID 4008 wrote to memory of 948 4008 rundll32mgr.exe 12 PID 4008 wrote to memory of 948 4008 rundll32mgr.exe 12 PID 4008 wrote to memory of 948 4008 rundll32mgr.exe 12 PID 4008 wrote to memory of 1016 4008 rundll32mgr.exe 13 PID 4008 wrote to memory of 1016 4008 rundll32mgr.exe 13 PID 4008 wrote to memory of 1016 4008 rundll32mgr.exe 13 PID 4008 wrote to memory of 1016 4008 rundll32mgr.exe 13 PID 4008 wrote to memory of 1016 4008 rundll32mgr.exe 13 PID 4008 wrote to memory of 1016 4008 rundll32mgr.exe 13 PID 4008 wrote to memory of 684 4008 rundll32mgr.exe 14 PID 4008 wrote to memory of 684 4008 rundll32mgr.exe 14 PID 4008 wrote to memory of 684 4008 rundll32mgr.exe 14 PID 4008 wrote to memory of 684 4008 rundll32mgr.exe 14 PID 4008 wrote to memory of 684 4008 rundll32mgr.exe 14 PID 4008 wrote to memory of 684 4008 rundll32mgr.exe 14 PID 4008 wrote to memory of 944 4008 rundll32mgr.exe 15 PID 4008 wrote to memory of 944 4008 rundll32mgr.exe 15 PID 4008 wrote to memory of 944 4008 rundll32mgr.exe 15 PID 4008 wrote to memory of 944 4008 rundll32mgr.exe 15
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"2⤵PID:792
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1016
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:672
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:776
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:696
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3852
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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.mca2⤵PID:3964
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵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.mca2⤵PID:3436
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4208
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:4036
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:4568
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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.mca2⤵PID:5032
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4336
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:784
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS -p1⤵PID:900
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:948
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:684
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:944
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:1040
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1100
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1112
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1188
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:2092
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:2168
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1200
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1268
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1308
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1324
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1464
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1488
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2652
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1532
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1544
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1676
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1700
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1744
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1764
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1808
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1888
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1900
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1944
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1952
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:1428
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:1664
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2068
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2236
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2320
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2444
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2452
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2640
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2748
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2788
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2796
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2804
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:3136
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3460
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3524
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\586f70c01d659e169a5ba71289db61dec251af98749491a917e3922cfaa162f0.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\586f70c01d659e169a5ba71289db61dec251af98749491a917e3922cfaa162f0.dll,#13⤵
- Modifies firewall policy service
- Blocklisted process makes network request
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 2685⤵
- Program crash
PID:864
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3668
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:4984
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:456
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:4788
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:1932
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:1832
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:5064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:2380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4008 -ip 40081⤵PID:2476
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a