Analysis
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max time kernel
93s -
max time network
148s -
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 00:47
Static task
static1
Behavioral task
behavioral1
Sample
8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll
Resource
win7-20240903-en
General
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Target
8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll
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Size
252KB
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MD5
5321477b42e5579efc9030f7cfef2526
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SHA1
31c5cad519b077fa3f76a0244e5fe67456e86351
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SHA256
8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a
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SHA512
5f65b2d3aa84bcd3be9ecea234ce0330f613824eaf533bf9063c6b256d0260a57b8854112b10e93ddb111bc4245e292269b40a94127b367215d2a4395a440338
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SSDEEP
3072:rH5dkTUjTZa72Q1GocyQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmp2:L5dkTUjT8P6LBf0dJ5TTBZbspom7bXU
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 rundll32mgr.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile rundll32mgr.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications rundll32mgr.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\rundll32mgr.exe = "C:\\Windows\\SysWOW64\\rundll32mgr.exe:*:enabled:@shell32.dll,-1" rundll32mgr.exe -
Executes dropped EXE 1 IoCs
pid Process 1572 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/0x000d000000023b79-3.dat upx behavioral2/memory/1572-4-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/1572-15-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4768 1572 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 1572 rundll32mgr.exe 1572 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe 1572 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1572 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 964 wrote to memory of 4872 964 rundll32.exe 82 PID 964 wrote to memory of 4872 964 rundll32.exe 82 PID 964 wrote to memory of 4872 964 rundll32.exe 82 PID 4872 wrote to memory of 1572 4872 rundll32.exe 83 PID 4872 wrote to memory of 1572 4872 rundll32.exe 83 PID 4872 wrote to memory of 1572 4872 rundll32.exe 83 PID 1572 wrote to memory of 616 1572 rundll32mgr.exe 5 PID 1572 wrote to memory of 616 1572 rundll32mgr.exe 5 PID 1572 wrote to memory of 616 1572 rundll32mgr.exe 5 PID 1572 wrote to memory of 616 1572 rundll32mgr.exe 5 PID 1572 wrote to memory of 616 1572 rundll32mgr.exe 5 PID 1572 wrote to memory of 616 1572 rundll32mgr.exe 5 PID 1572 wrote to memory of 676 1572 rundll32mgr.exe 7 PID 1572 wrote to memory of 676 1572 rundll32mgr.exe 7 PID 1572 wrote to memory of 676 1572 rundll32mgr.exe 7 PID 1572 wrote to memory of 676 1572 rundll32mgr.exe 7 PID 1572 wrote to memory of 676 1572 rundll32mgr.exe 7 PID 1572 wrote to memory of 676 1572 rundll32mgr.exe 7 PID 1572 wrote to memory of 780 1572 rundll32mgr.exe 8 PID 1572 wrote to memory of 780 1572 rundll32mgr.exe 8 PID 1572 wrote to memory of 780 1572 rundll32mgr.exe 8 PID 1572 wrote to memory of 780 1572 rundll32mgr.exe 8 PID 1572 wrote to memory of 780 1572 rundll32mgr.exe 8 PID 1572 wrote to memory of 780 1572 rundll32mgr.exe 8 PID 1572 wrote to memory of 792 1572 rundll32mgr.exe 9 PID 1572 wrote to memory of 792 1572 rundll32mgr.exe 9 PID 1572 wrote to memory of 792 1572 rundll32mgr.exe 9 PID 1572 wrote to memory of 792 1572 rundll32mgr.exe 9 PID 1572 wrote to memory of 792 1572 rundll32mgr.exe 9 PID 1572 wrote to memory of 792 1572 rundll32mgr.exe 9 PID 1572 wrote to memory of 788 1572 rundll32mgr.exe 10 PID 1572 wrote to memory of 788 1572 rundll32mgr.exe 10 PID 1572 wrote to memory of 788 1572 rundll32mgr.exe 10 PID 1572 wrote to memory of 788 1572 rundll32mgr.exe 10 PID 1572 wrote to memory of 788 1572 rundll32mgr.exe 10 PID 1572 wrote to memory of 788 1572 rundll32mgr.exe 10 PID 1572 wrote to memory of 900 1572 rundll32mgr.exe 11 PID 1572 wrote to memory of 900 1572 rundll32mgr.exe 11 PID 1572 wrote to memory of 900 1572 rundll32mgr.exe 11 PID 1572 wrote to memory of 900 1572 rundll32mgr.exe 11 PID 1572 wrote to memory of 900 1572 rundll32mgr.exe 11 PID 1572 wrote to memory of 900 1572 rundll32mgr.exe 11 PID 1572 wrote to memory of 952 1572 rundll32mgr.exe 12 PID 1572 wrote to memory of 952 1572 rundll32mgr.exe 12 PID 1572 wrote to memory of 952 1572 rundll32mgr.exe 12 PID 1572 wrote to memory of 952 1572 rundll32mgr.exe 12 PID 1572 wrote to memory of 952 1572 rundll32mgr.exe 12 PID 1572 wrote to memory of 952 1572 rundll32mgr.exe 12 PID 1572 wrote to memory of 60 1572 rundll32mgr.exe 13 PID 1572 wrote to memory of 60 1572 rundll32mgr.exe 13 PID 1572 wrote to memory of 60 1572 rundll32mgr.exe 13 PID 1572 wrote to memory of 60 1572 rundll32mgr.exe 13 PID 1572 wrote to memory of 60 1572 rundll32mgr.exe 13 PID 1572 wrote to memory of 60 1572 rundll32mgr.exe 13 PID 1572 wrote to memory of 468 1572 rundll32mgr.exe 14 PID 1572 wrote to memory of 468 1572 rundll32mgr.exe 14 PID 1572 wrote to memory of 468 1572 rundll32mgr.exe 14 PID 1572 wrote to memory of 468 1572 rundll32mgr.exe 14 PID 1572 wrote to memory of 468 1572 rundll32mgr.exe 14 PID 1572 wrote to memory of 468 1572 rundll32mgr.exe 14 PID 1572 wrote to memory of 892 1572 rundll32mgr.exe 15 PID 1572 wrote to memory of 892 1572 rundll32mgr.exe 15 PID 1572 wrote to memory of 892 1572 rundll32mgr.exe 15 PID 1572 wrote to memory of 892 1572 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:60
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:676
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:780
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:3160
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3884
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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:4008
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4072
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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:3396
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4124
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:3992
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:2704
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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:2284
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4944
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:788
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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:952
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:468
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:892
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1056
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:2716
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:4864
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1104
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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 LocalServiceNoNetwork -p1⤵PID:1132
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1208
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1264
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1320
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1364
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1424
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1460
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2532
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1492
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1508
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1656
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1708
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1716
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1824
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1832
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1948
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:2012
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:2024
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:1516
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:2076
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2180
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2216
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:2264
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2360
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2584
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2676
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2692
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2784
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2852
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:2860
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2872
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2912
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2932
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3408
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3504
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll,#13⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe4⤵
- Modifies firewall policy service
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 5325⤵
- Program crash
PID:4768
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3684
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:3368
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:412
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:2384
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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:1856
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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 netsvcs -p -s wlidsvc1⤵PID:4052
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:3236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1572 -ip 15721⤵PID:756
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a