Analysis
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max time kernel
93s -
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 16:38
Static task
static1
Behavioral task
behavioral1
Sample
cab669454ca0ec8d8444529d9c2a4d4775efc575949288fcfe976e5da9489636N.dll
Resource
win7-20241010-en
General
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Target
cab669454ca0ec8d8444529d9c2a4d4775efc575949288fcfe976e5da9489636N.dll
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Size
220KB
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MD5
528c8d103c70438cc657e52af2d9c390
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SHA1
cd996403ffef2a2c890059ac052879cc44156d4b
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SHA256
cab669454ca0ec8d8444529d9c2a4d4775efc575949288fcfe976e5da9489636
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SHA512
23050540c4edf1ec56f36ed4ac0eac4f3b3a8e080f1493a22e9ff0de59616bdd3139197c77357afab69b7bfa69b6b0ef856cb29206f6c6c30e1ce39b7caf1e5b
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SSDEEP
3072:Fn2PxxtyiPQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpe:dO4LBf0dJ5TTBZbspom7bXM
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 8 2748 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 3200 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/0x000b000000023b8f-4.dat upx behavioral2/memory/3200-5-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/3200-15-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4104 3200 WerFault.exe 84 -
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 3200 rundll32mgr.exe 3200 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe 3200 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3200 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 384 wrote to memory of 2748 384 rundll32.exe 83 PID 384 wrote to memory of 2748 384 rundll32.exe 83 PID 384 wrote to memory of 2748 384 rundll32.exe 83 PID 2748 wrote to memory of 3200 2748 rundll32.exe 84 PID 2748 wrote to memory of 3200 2748 rundll32.exe 84 PID 2748 wrote to memory of 3200 2748 rundll32.exe 84 PID 3200 wrote to memory of 612 3200 rundll32mgr.exe 5 PID 3200 wrote to memory of 612 3200 rundll32mgr.exe 5 PID 3200 wrote to memory of 612 3200 rundll32mgr.exe 5 PID 3200 wrote to memory of 612 3200 rundll32mgr.exe 5 PID 3200 wrote to memory of 612 3200 rundll32mgr.exe 5 PID 3200 wrote to memory of 612 3200 rundll32mgr.exe 5 PID 3200 wrote to memory of 664 3200 rundll32mgr.exe 7 PID 3200 wrote to memory of 664 3200 rundll32mgr.exe 7 PID 3200 wrote to memory of 664 3200 rundll32mgr.exe 7 PID 3200 wrote to memory of 664 3200 rundll32mgr.exe 7 PID 3200 wrote to memory of 664 3200 rundll32mgr.exe 7 PID 3200 wrote to memory of 664 3200 rundll32mgr.exe 7 PID 3200 wrote to memory of 780 3200 rundll32mgr.exe 8 PID 3200 wrote to memory of 780 3200 rundll32mgr.exe 8 PID 3200 wrote to memory of 780 3200 rundll32mgr.exe 8 PID 3200 wrote to memory of 780 3200 rundll32mgr.exe 8 PID 3200 wrote to memory of 780 3200 rundll32mgr.exe 8 PID 3200 wrote to memory of 780 3200 rundll32mgr.exe 8 PID 3200 wrote to memory of 788 3200 rundll32mgr.exe 9 PID 3200 wrote to memory of 788 3200 rundll32mgr.exe 9 PID 3200 wrote to memory of 788 3200 rundll32mgr.exe 9 PID 3200 wrote to memory of 788 3200 rundll32mgr.exe 9 PID 3200 wrote to memory of 788 3200 rundll32mgr.exe 9 PID 3200 wrote to memory of 788 3200 rundll32mgr.exe 9 PID 3200 wrote to memory of 796 3200 rundll32mgr.exe 10 PID 3200 wrote to memory of 796 3200 rundll32mgr.exe 10 PID 3200 wrote to memory of 796 3200 rundll32mgr.exe 10 PID 3200 wrote to memory of 796 3200 rundll32mgr.exe 10 PID 3200 wrote to memory of 796 3200 rundll32mgr.exe 10 PID 3200 wrote to memory of 796 3200 rundll32mgr.exe 10 PID 3200 wrote to memory of 892 3200 rundll32mgr.exe 11 PID 3200 wrote to memory of 892 3200 rundll32mgr.exe 11 PID 3200 wrote to memory of 892 3200 rundll32mgr.exe 11 PID 3200 wrote to memory of 892 3200 rundll32mgr.exe 11 PID 3200 wrote to memory of 892 3200 rundll32mgr.exe 11 PID 3200 wrote to memory of 892 3200 rundll32mgr.exe 11 PID 3200 wrote to memory of 948 3200 rundll32mgr.exe 12 PID 3200 wrote to memory of 948 3200 rundll32mgr.exe 12 PID 3200 wrote to memory of 948 3200 rundll32mgr.exe 12 PID 3200 wrote to memory of 948 3200 rundll32mgr.exe 12 PID 3200 wrote to memory of 948 3200 rundll32mgr.exe 12 PID 3200 wrote to memory of 948 3200 rundll32mgr.exe 12 PID 3200 wrote to memory of 1020 3200 rundll32mgr.exe 13 PID 3200 wrote to memory of 1020 3200 rundll32mgr.exe 13 PID 3200 wrote to memory of 1020 3200 rundll32mgr.exe 13 PID 3200 wrote to memory of 1020 3200 rundll32mgr.exe 13 PID 3200 wrote to memory of 1020 3200 rundll32mgr.exe 13 PID 3200 wrote to memory of 1020 3200 rundll32mgr.exe 13 PID 3200 wrote to memory of 388 3200 rundll32mgr.exe 14 PID 3200 wrote to memory of 388 3200 rundll32mgr.exe 14 PID 3200 wrote to memory of 388 3200 rundll32mgr.exe 14 PID 3200 wrote to memory of 388 3200 rundll32mgr.exe 14 PID 3200 wrote to memory of 388 3200 rundll32mgr.exe 14 PID 3200 wrote to memory of 388 3200 rundll32mgr.exe 14 PID 3200 wrote to memory of 1040 3200 rundll32mgr.exe 15 PID 3200 wrote to memory of 1040 3200 rundll32mgr.exe 15 PID 3200 wrote to memory of 1040 3200 rundll32mgr.exe 15 PID 3200 wrote to memory of 1040 3200 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:796
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1020
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:664
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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:3064
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3768
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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:3860
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3928
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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:4004
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3056
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:4420
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:2128
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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:676
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:2792
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca2⤵PID:4816
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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: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:388
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1040
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1056
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:1064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:1108
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1204
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:2944
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:1708
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1216
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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 netsvcs -p -s ProfSvc1⤵PID:1348
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1380
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1408
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1428
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1488
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1556
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2696
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1604
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1652
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1712
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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:1832
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1940
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1948
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1976
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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:2148
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2188
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2208
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2256
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2476
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2484
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2712
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2740
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2800
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2824
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2832
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:1012
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3356
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3456
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cab669454ca0ec8d8444529d9c2a4d4775efc575949288fcfe976e5da9489636N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cab669454ca0ec8d8444529d9c2a4d4775efc575949288fcfe976e5da9489636N.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:2748 -
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:3200 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 2725⤵
- Program crash
PID:4104
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3564
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:4784
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:4460
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:4328
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:2084
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:2692
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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:1848
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:2312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3200 -ip 32001⤵PID:4384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a