Analysis
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max time kernel
93s -
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
02-01-2025 10:17
Static task
static1
Behavioral task
behavioral1
Sample
eea8952f5ba2f57b3e63c81be4aa7f688250112a6381e7855f5cd350042d093eN.dll
Resource
win7-20241023-en
General
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Target
eea8952f5ba2f57b3e63c81be4aa7f688250112a6381e7855f5cd350042d093eN.dll
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Size
384KB
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MD5
5c751ecc09495da7a7e8c9dfe6438b40
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SHA1
0a25094712a1f0e7e8f973a623e70f01b564e2e7
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SHA256
eea8952f5ba2f57b3e63c81be4aa7f688250112a6381e7855f5cd350042d093e
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SHA512
5222e3fa7b46c332ca262338ac26f63520d6fe7f5d99d8da5ae37c5d4287350acf068f1f706f65b999b7b82cdf9f7c9b9bb9a1149625666a2f7c9d845d9fa431
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SSDEEP
6144:b4HAARhdwUeKPQrs3nz33Eov9XDJgNAfqqRO:b4gARhdfe/2nz33Evys
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 4 IoCs
description ioc Process 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 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 -
Blocklisted process makes network request 1 IoCs
flow pid Process 9 3592 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 4664 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/0x000a000000023c0f-3.dat upx behavioral2/memory/4664-5-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/4664-14-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2656 4664 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 rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4664 rundll32mgr.exe 4664 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe 4664 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4664 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1756 wrote to memory of 3592 1756 rundll32.exe 82 PID 1756 wrote to memory of 3592 1756 rundll32.exe 82 PID 1756 wrote to memory of 3592 1756 rundll32.exe 82 PID 3592 wrote to memory of 4664 3592 rundll32.exe 83 PID 3592 wrote to memory of 4664 3592 rundll32.exe 83 PID 3592 wrote to memory of 4664 3592 rundll32.exe 83 PID 4664 wrote to memory of 612 4664 rundll32mgr.exe 5 PID 4664 wrote to memory of 612 4664 rundll32mgr.exe 5 PID 4664 wrote to memory of 612 4664 rundll32mgr.exe 5 PID 4664 wrote to memory of 612 4664 rundll32mgr.exe 5 PID 4664 wrote to memory of 612 4664 rundll32mgr.exe 5 PID 4664 wrote to memory of 612 4664 rundll32mgr.exe 5 PID 4664 wrote to memory of 668 4664 rundll32mgr.exe 7 PID 4664 wrote to memory of 668 4664 rundll32mgr.exe 7 PID 4664 wrote to memory of 668 4664 rundll32mgr.exe 7 PID 4664 wrote to memory of 668 4664 rundll32mgr.exe 7 PID 4664 wrote to memory of 668 4664 rundll32mgr.exe 7 PID 4664 wrote to memory of 668 4664 rundll32mgr.exe 7 PID 4664 wrote to memory of 772 4664 rundll32mgr.exe 8 PID 4664 wrote to memory of 772 4664 rundll32mgr.exe 8 PID 4664 wrote to memory of 772 4664 rundll32mgr.exe 8 PID 4664 wrote to memory of 772 4664 rundll32mgr.exe 8 PID 4664 wrote to memory of 772 4664 rundll32mgr.exe 8 PID 4664 wrote to memory of 772 4664 rundll32mgr.exe 8 PID 4664 wrote to memory of 780 4664 rundll32mgr.exe 9 PID 4664 wrote to memory of 780 4664 rundll32mgr.exe 9 PID 4664 wrote to memory of 780 4664 rundll32mgr.exe 9 PID 4664 wrote to memory of 780 4664 rundll32mgr.exe 9 PID 4664 wrote to memory of 780 4664 rundll32mgr.exe 9 PID 4664 wrote to memory of 780 4664 rundll32mgr.exe 9 PID 4664 wrote to memory of 788 4664 rundll32mgr.exe 10 PID 4664 wrote to memory of 788 4664 rundll32mgr.exe 10 PID 4664 wrote to memory of 788 4664 rundll32mgr.exe 10 PID 4664 wrote to memory of 788 4664 rundll32mgr.exe 10 PID 4664 wrote to memory of 788 4664 rundll32mgr.exe 10 PID 4664 wrote to memory of 788 4664 rundll32mgr.exe 10 PID 4664 wrote to memory of 888 4664 rundll32mgr.exe 11 PID 4664 wrote to memory of 888 4664 rundll32mgr.exe 11 PID 4664 wrote to memory of 888 4664 rundll32mgr.exe 11 PID 4664 wrote to memory of 888 4664 rundll32mgr.exe 11 PID 4664 wrote to memory of 888 4664 rundll32mgr.exe 11 PID 4664 wrote to memory of 888 4664 rundll32mgr.exe 11 PID 4664 wrote to memory of 944 4664 rundll32mgr.exe 12 PID 4664 wrote to memory of 944 4664 rundll32mgr.exe 12 PID 4664 wrote to memory of 944 4664 rundll32mgr.exe 12 PID 4664 wrote to memory of 944 4664 rundll32mgr.exe 12 PID 4664 wrote to memory of 944 4664 rundll32mgr.exe 12 PID 4664 wrote to memory of 944 4664 rundll32mgr.exe 12 PID 4664 wrote to memory of 388 4664 rundll32mgr.exe 13 PID 4664 wrote to memory of 388 4664 rundll32mgr.exe 13 PID 4664 wrote to memory of 388 4664 rundll32mgr.exe 13 PID 4664 wrote to memory of 388 4664 rundll32mgr.exe 13 PID 4664 wrote to memory of 388 4664 rundll32mgr.exe 13 PID 4664 wrote to memory of 388 4664 rundll32mgr.exe 13 PID 4664 wrote to memory of 432 4664 rundll32mgr.exe 14 PID 4664 wrote to memory of 432 4664 rundll32mgr.exe 14 PID 4664 wrote to memory of 432 4664 rundll32mgr.exe 14 PID 4664 wrote to memory of 432 4664 rundll32mgr.exe 14 PID 4664 wrote to memory of 432 4664 rundll32mgr.exe 14 PID 4664 wrote to memory of 432 4664 rundll32mgr.exe 14 PID 4664 wrote to memory of 1040 4664 rundll32mgr.exe 15 PID 4664 wrote to memory of 1040 4664 rundll32mgr.exe 15 PID 4664 wrote to memory of 1040 4664 rundll32mgr.exe 15 PID 4664 wrote to memory of 1040 4664 rundll32mgr.exe 15
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"2⤵PID:788
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:388
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:668
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:772
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:2156
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3756
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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:3924
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3992
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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:4072
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4116
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:2220
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:2668
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:4780
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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:3376
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS -p1⤵PID:888
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:944
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:432
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:1040
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:1048
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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:1120
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1172
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:2672
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:1228
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1212
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1244
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1284
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1332
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1444
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2488
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1452
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1520
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1528
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1668
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1688
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1732
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1796
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1804
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1924
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1944
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1980
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:2016
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:2132
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2208
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2232
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2284
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2524
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2636
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2644
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2692
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:2728
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2776
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2812
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2836
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2848
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3268
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3388
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eea8952f5ba2f57b3e63c81be4aa7f688250112a6381e7855f5cd350042d093eN.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eea8952f5ba2f57b3e63c81be4aa7f688250112a6381e7855f5cd350042d093eN.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:3592 -
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:4664 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 2725⤵
- Program crash
PID:2656
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3552
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:4844
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:1064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:1740
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:4224
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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:2168
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:1072
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:2108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4664 -ip 46641⤵PID:5000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a