Analysis
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max time kernel
94s -
max time network
96s -
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, 23:24
Static task
static1
Behavioral task
behavioral1
Sample
9fb44d958c3dd548fed260b308fa65b0a63a0dc24ce81598546feacf004d7aa7N.dll
Resource
win7-20240903-en
General
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Target
9fb44d958c3dd548fed260b308fa65b0a63a0dc24ce81598546feacf004d7aa7N.dll
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Size
220KB
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MD5
90aac4638750e2ee271dc33a64d0c460
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SHA1
2e9765e7c897804feacf3b3a4e4788cc15680c29
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SHA256
9fb44d958c3dd548fed260b308fa65b0a63a0dc24ce81598546feacf004d7aa7
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SHA512
ecf8b965d382271a40a10b5319cfc075c1b9afa1586d0931e9b06c200d4a675d06ee29703638f35eb16b16c7c80727aaf1ec3c752be405c061be85746e1ea9c8
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SSDEEP
3072:5n2PxxtGWfQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpu:hmILBf0dJ5TTBZbspom7bXc
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 6 1600 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 4384 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/0x000c000000023b21-3.dat upx behavioral2/memory/4384-5-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/4384-14-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 5072 4384 WerFault.exe 82 -
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 4384 rundll32mgr.exe 4384 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe 4384 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4384 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1624 wrote to memory of 1600 1624 rundll32.exe 81 PID 1624 wrote to memory of 1600 1624 rundll32.exe 81 PID 1624 wrote to memory of 1600 1624 rundll32.exe 81 PID 1600 wrote to memory of 4384 1600 rundll32.exe 82 PID 1600 wrote to memory of 4384 1600 rundll32.exe 82 PID 1600 wrote to memory of 4384 1600 rundll32.exe 82 PID 4384 wrote to memory of 608 4384 rundll32mgr.exe 5 PID 4384 wrote to memory of 608 4384 rundll32mgr.exe 5 PID 4384 wrote to memory of 608 4384 rundll32mgr.exe 5 PID 4384 wrote to memory of 608 4384 rundll32mgr.exe 5 PID 4384 wrote to memory of 608 4384 rundll32mgr.exe 5 PID 4384 wrote to memory of 608 4384 rundll32mgr.exe 5 PID 4384 wrote to memory of 668 4384 rundll32mgr.exe 7 PID 4384 wrote to memory of 668 4384 rundll32mgr.exe 7 PID 4384 wrote to memory of 668 4384 rundll32mgr.exe 7 PID 4384 wrote to memory of 668 4384 rundll32mgr.exe 7 PID 4384 wrote to memory of 668 4384 rundll32mgr.exe 7 PID 4384 wrote to memory of 668 4384 rundll32mgr.exe 7 PID 4384 wrote to memory of 764 4384 rundll32mgr.exe 8 PID 4384 wrote to memory of 764 4384 rundll32mgr.exe 8 PID 4384 wrote to memory of 764 4384 rundll32mgr.exe 8 PID 4384 wrote to memory of 764 4384 rundll32mgr.exe 8 PID 4384 wrote to memory of 764 4384 rundll32mgr.exe 8 PID 4384 wrote to memory of 764 4384 rundll32mgr.exe 8 PID 4384 wrote to memory of 772 4384 rundll32mgr.exe 9 PID 4384 wrote to memory of 772 4384 rundll32mgr.exe 9 PID 4384 wrote to memory of 772 4384 rundll32mgr.exe 9 PID 4384 wrote to memory of 772 4384 rundll32mgr.exe 9 PID 4384 wrote to memory of 772 4384 rundll32mgr.exe 9 PID 4384 wrote to memory of 772 4384 rundll32mgr.exe 9 PID 4384 wrote to memory of 836 4384 rundll32mgr.exe 10 PID 4384 wrote to memory of 836 4384 rundll32mgr.exe 10 PID 4384 wrote to memory of 836 4384 rundll32mgr.exe 10 PID 4384 wrote to memory of 836 4384 rundll32mgr.exe 10 PID 4384 wrote to memory of 836 4384 rundll32mgr.exe 10 PID 4384 wrote to memory of 836 4384 rundll32mgr.exe 10 PID 4384 wrote to memory of 892 4384 rundll32mgr.exe 11 PID 4384 wrote to memory of 892 4384 rundll32mgr.exe 11 PID 4384 wrote to memory of 892 4384 rundll32mgr.exe 11 PID 4384 wrote to memory of 892 4384 rundll32mgr.exe 11 PID 4384 wrote to memory of 892 4384 rundll32mgr.exe 11 PID 4384 wrote to memory of 892 4384 rundll32mgr.exe 11 PID 4384 wrote to memory of 948 4384 rundll32mgr.exe 12 PID 4384 wrote to memory of 948 4384 rundll32mgr.exe 12 PID 4384 wrote to memory of 948 4384 rundll32mgr.exe 12 PID 4384 wrote to memory of 948 4384 rundll32mgr.exe 12 PID 4384 wrote to memory of 948 4384 rundll32mgr.exe 12 PID 4384 wrote to memory of 948 4384 rundll32mgr.exe 12 PID 4384 wrote to memory of 64 4384 rundll32mgr.exe 13 PID 4384 wrote to memory of 64 4384 rundll32mgr.exe 13 PID 4384 wrote to memory of 64 4384 rundll32mgr.exe 13 PID 4384 wrote to memory of 64 4384 rundll32mgr.exe 13 PID 4384 wrote to memory of 64 4384 rundll32mgr.exe 13 PID 4384 wrote to memory of 64 4384 rundll32mgr.exe 13 PID 4384 wrote to memory of 396 4384 rundll32mgr.exe 14 PID 4384 wrote to memory of 396 4384 rundll32mgr.exe 14 PID 4384 wrote to memory of 396 4384 rundll32mgr.exe 14 PID 4384 wrote to memory of 396 4384 rundll32mgr.exe 14 PID 4384 wrote to memory of 396 4384 rundll32mgr.exe 14 PID 4384 wrote to memory of 396 4384 rundll32mgr.exe 14 PID 4384 wrote to memory of 864 4384 rundll32mgr.exe 15 PID 4384 wrote to memory of 864 4384 rundll32mgr.exe 15 PID 4384 wrote to memory of 864 4384 rundll32mgr.exe 15 PID 4384 wrote to memory of 864 4384 rundll32mgr.exe 15
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:608
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"2⤵PID:764
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:64
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:668
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:772
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:836
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:2652
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3748
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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:3840
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3908
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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:3992
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4140
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:4564
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3008
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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:3980
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4520
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS -p1⤵PID:892
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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:396
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:864
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:424
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1036
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1144
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:3036
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:2976
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:1160
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1192
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1264
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1292
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1392
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1428
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1448
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1464
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1472
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2892
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1628
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1680
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1692
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1800
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1872
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1884
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1892
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1928
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1956
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:1436
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:1676
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:1816
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2224
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2272
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2280
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2404
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2456
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2476
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2504
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2512
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2552
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2916
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:1020
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3348
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9fb44d958c3dd548fed260b308fa65b0a63a0dc24ce81598546feacf004d7aa7N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9fb44d958c3dd548fed260b308fa65b0a63a0dc24ce81598546feacf004d7aa7N.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:1600 -
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:4384 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 2725⤵
- Program crash
PID:5072
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3380
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3568
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:3368
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:4916
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:3440
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:388
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:4744
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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:2644
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4384 -ip 43841⤵PID:3868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a