Analysis
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max time kernel
94s -
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 18:02
Static task
static1
Behavioral task
behavioral1
Sample
a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.dll
Resource
win7-20240729-en
General
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Target
a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.dll
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Size
216KB
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MD5
06a52fffe09b43cb5fde1a11bdc31fff
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SHA1
5840c6df561828ff110a3dc0401c5607c6ff1a77
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SHA256
a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8
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SHA512
65c28c033298be5e509aa6efdca6e7c2d5c876ddc43478b4f8e402399118b82a3741af2719cc2f32a6c4119441a488ee4246b408f8324e31b963781b82731e43
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SSDEEP
3072:On2PxxtB3MQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpi:uaHLBf0dJ5TTBZbspom7bXc
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 5 1368 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 224 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/0x000c000000023b91-3.dat upx behavioral2/memory/224-4-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/224-14-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 424 224 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 224 rundll32mgr.exe 224 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe 224 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 224 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2296 wrote to memory of 1368 2296 rundll32.exe 82 PID 2296 wrote to memory of 1368 2296 rundll32.exe 82 PID 2296 wrote to memory of 1368 2296 rundll32.exe 82 PID 1368 wrote to memory of 224 1368 rundll32.exe 83 PID 1368 wrote to memory of 224 1368 rundll32.exe 83 PID 1368 wrote to memory of 224 1368 rundll32.exe 83 PID 224 wrote to memory of 608 224 rundll32mgr.exe 5 PID 224 wrote to memory of 608 224 rundll32mgr.exe 5 PID 224 wrote to memory of 608 224 rundll32mgr.exe 5 PID 224 wrote to memory of 608 224 rundll32mgr.exe 5 PID 224 wrote to memory of 608 224 rundll32mgr.exe 5 PID 224 wrote to memory of 608 224 rundll32mgr.exe 5 PID 224 wrote to memory of 676 224 rundll32mgr.exe 7 PID 224 wrote to memory of 676 224 rundll32mgr.exe 7 PID 224 wrote to memory of 676 224 rundll32mgr.exe 7 PID 224 wrote to memory of 676 224 rundll32mgr.exe 7 PID 224 wrote to memory of 676 224 rundll32mgr.exe 7 PID 224 wrote to memory of 676 224 rundll32mgr.exe 7 PID 224 wrote to memory of 776 224 rundll32mgr.exe 8 PID 224 wrote to memory of 776 224 rundll32mgr.exe 8 PID 224 wrote to memory of 776 224 rundll32mgr.exe 8 PID 224 wrote to memory of 776 224 rundll32mgr.exe 8 PID 224 wrote to memory of 776 224 rundll32mgr.exe 8 PID 224 wrote to memory of 776 224 rundll32mgr.exe 8 PID 224 wrote to memory of 784 224 rundll32mgr.exe 9 PID 224 wrote to memory of 784 224 rundll32mgr.exe 9 PID 224 wrote to memory of 784 224 rundll32mgr.exe 9 PID 224 wrote to memory of 784 224 rundll32mgr.exe 9 PID 224 wrote to memory of 784 224 rundll32mgr.exe 9 PID 224 wrote to memory of 784 224 rundll32mgr.exe 9 PID 224 wrote to memory of 792 224 rundll32mgr.exe 10 PID 224 wrote to memory of 792 224 rundll32mgr.exe 10 PID 224 wrote to memory of 792 224 rundll32mgr.exe 10 PID 224 wrote to memory of 792 224 rundll32mgr.exe 10 PID 224 wrote to memory of 792 224 rundll32mgr.exe 10 PID 224 wrote to memory of 792 224 rundll32mgr.exe 10 PID 224 wrote to memory of 900 224 rundll32mgr.exe 11 PID 224 wrote to memory of 900 224 rundll32mgr.exe 11 PID 224 wrote to memory of 900 224 rundll32mgr.exe 11 PID 224 wrote to memory of 900 224 rundll32mgr.exe 11 PID 224 wrote to memory of 900 224 rundll32mgr.exe 11 PID 224 wrote to memory of 900 224 rundll32mgr.exe 11 PID 224 wrote to memory of 944 224 rundll32mgr.exe 12 PID 224 wrote to memory of 944 224 rundll32mgr.exe 12 PID 224 wrote to memory of 944 224 rundll32mgr.exe 12 PID 224 wrote to memory of 944 224 rundll32mgr.exe 12 PID 224 wrote to memory of 944 224 rundll32mgr.exe 12 PID 224 wrote to memory of 944 224 rundll32mgr.exe 12 PID 224 wrote to memory of 64 224 rundll32mgr.exe 13 PID 224 wrote to memory of 64 224 rundll32mgr.exe 13 PID 224 wrote to memory of 64 224 rundll32mgr.exe 13 PID 224 wrote to memory of 64 224 rundll32mgr.exe 13 PID 224 wrote to memory of 64 224 rundll32mgr.exe 13 PID 224 wrote to memory of 64 224 rundll32mgr.exe 13 PID 224 wrote to memory of 436 224 rundll32mgr.exe 14 PID 224 wrote to memory of 436 224 rundll32mgr.exe 14 PID 224 wrote to memory of 436 224 rundll32mgr.exe 14 PID 224 wrote to memory of 436 224 rundll32mgr.exe 14 PID 224 wrote to memory of 436 224 rundll32mgr.exe 14 PID 224 wrote to memory of 436 224 rundll32mgr.exe 14 PID 224 wrote to memory of 940 224 rundll32mgr.exe 15 PID 224 wrote to memory of 940 224 rundll32mgr.exe 15 PID 224 wrote to memory of 940 224 rundll32mgr.exe 15 PID 224 wrote to memory of 940 224 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:784
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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:676
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:776
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:792
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:2112
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3780
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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:3872
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3940
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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:4012
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4224
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:2180
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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\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca2⤵PID:1456
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:2932
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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:944
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:436
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:940
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1068
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:1096
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1136
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1184
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:2992
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:4964
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1204
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1256
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1348
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1356
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1408
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2872
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1496
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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:1540
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1676
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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:1748
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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 LocalServiceNetworkRestricted -p1⤵PID:1816
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1912
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1920
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1964
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1980
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:1476
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:1756
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:1848
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2252
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2264
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2408
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2416
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2496
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2540
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2568
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2600
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2608
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2920
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:1076
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3348
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3468
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a6d7b7e92bc21d807095268f3b241daf780f255952964e25559b440eb9f9fce8.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:1368 -
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:224 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 2725⤵
- Program crash
PID:424
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3600
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:4716
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:4892
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:3296
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:4760
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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:2908
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:2336
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:8
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 224 -ip 2241⤵PID:4880
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a