Analysis
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max time kernel
148s -
max time network
149s -
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 00:43
Static task
static1
Behavioral task
behavioral1
Sample
8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll
Resource
win7-20241023-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 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 -
Executes dropped EXE 1 IoCs
pid Process 2768 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/0x000b000000023bc0-3.dat upx behavioral2/memory/2768-4-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/2768-22-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 2 IoCs
pid pid_target Process procid_target 4552 4408 WerFault.exe 83 4276 2768 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 2768 rundll32mgr.exe 2768 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2768 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1820 wrote to memory of 4408 1820 rundll32.exe 83 PID 1820 wrote to memory of 4408 1820 rundll32.exe 83 PID 1820 wrote to memory of 4408 1820 rundll32.exe 83 PID 4408 wrote to memory of 2768 4408 rundll32.exe 84 PID 4408 wrote to memory of 2768 4408 rundll32.exe 84 PID 4408 wrote to memory of 2768 4408 rundll32.exe 84 PID 2768 wrote to memory of 616 2768 rundll32mgr.exe 5 PID 2768 wrote to memory of 616 2768 rundll32mgr.exe 5 PID 2768 wrote to memory of 616 2768 rundll32mgr.exe 5 PID 2768 wrote to memory of 616 2768 rundll32mgr.exe 5 PID 2768 wrote to memory of 616 2768 rundll32mgr.exe 5 PID 2768 wrote to memory of 616 2768 rundll32mgr.exe 5 PID 2768 wrote to memory of 668 2768 rundll32mgr.exe 7 PID 2768 wrote to memory of 668 2768 rundll32mgr.exe 7 PID 2768 wrote to memory of 668 2768 rundll32mgr.exe 7 PID 2768 wrote to memory of 668 2768 rundll32mgr.exe 7 PID 2768 wrote to memory of 668 2768 rundll32mgr.exe 7 PID 2768 wrote to memory of 668 2768 rundll32mgr.exe 7 PID 2768 wrote to memory of 780 2768 rundll32mgr.exe 8 PID 2768 wrote to memory of 780 2768 rundll32mgr.exe 8 PID 2768 wrote to memory of 780 2768 rundll32mgr.exe 8 PID 2768 wrote to memory of 780 2768 rundll32mgr.exe 8 PID 2768 wrote to memory of 780 2768 rundll32mgr.exe 8 PID 2768 wrote to memory of 780 2768 rundll32mgr.exe 8 PID 2768 wrote to memory of 784 2768 rundll32mgr.exe 9 PID 2768 wrote to memory of 784 2768 rundll32mgr.exe 9 PID 2768 wrote to memory of 784 2768 rundll32mgr.exe 9 PID 2768 wrote to memory of 784 2768 rundll32mgr.exe 9 PID 2768 wrote to memory of 784 2768 rundll32mgr.exe 9 PID 2768 wrote to memory of 784 2768 rundll32mgr.exe 9 PID 2768 wrote to memory of 796 2768 rundll32mgr.exe 10 PID 2768 wrote to memory of 796 2768 rundll32mgr.exe 10 PID 2768 wrote to memory of 796 2768 rundll32mgr.exe 10 PID 2768 wrote to memory of 796 2768 rundll32mgr.exe 10 PID 2768 wrote to memory of 796 2768 rundll32mgr.exe 10 PID 2768 wrote to memory of 796 2768 rundll32mgr.exe 10 PID 2768 wrote to memory of 900 2768 rundll32mgr.exe 11 PID 2768 wrote to memory of 900 2768 rundll32mgr.exe 11 PID 2768 wrote to memory of 900 2768 rundll32mgr.exe 11 PID 2768 wrote to memory of 900 2768 rundll32mgr.exe 11 PID 2768 wrote to memory of 900 2768 rundll32mgr.exe 11 PID 2768 wrote to memory of 900 2768 rundll32mgr.exe 11 PID 2768 wrote to memory of 956 2768 rundll32mgr.exe 12 PID 2768 wrote to memory of 956 2768 rundll32mgr.exe 12 PID 2768 wrote to memory of 956 2768 rundll32mgr.exe 12 PID 2768 wrote to memory of 956 2768 rundll32mgr.exe 12 PID 2768 wrote to memory of 956 2768 rundll32mgr.exe 12 PID 2768 wrote to memory of 956 2768 rundll32mgr.exe 12 PID 2768 wrote to memory of 316 2768 rundll32mgr.exe 13 PID 2768 wrote to memory of 316 2768 rundll32mgr.exe 13 PID 2768 wrote to memory of 316 2768 rundll32mgr.exe 13 PID 2768 wrote to memory of 316 2768 rundll32mgr.exe 13 PID 2768 wrote to memory of 316 2768 rundll32mgr.exe 13 PID 2768 wrote to memory of 316 2768 rundll32mgr.exe 13 PID 2768 wrote to memory of 540 2768 rundll32mgr.exe 14 PID 2768 wrote to memory of 540 2768 rundll32mgr.exe 14 PID 2768 wrote to memory of 540 2768 rundll32mgr.exe 14 PID 2768 wrote to memory of 540 2768 rundll32mgr.exe 14 PID 2768 wrote to memory of 540 2768 rundll32mgr.exe 14 PID 2768 wrote to memory of 540 2768 rundll32mgr.exe 14 PID 2768 wrote to memory of 1000 2768 rundll32mgr.exe 15 PID 2768 wrote to memory of 1000 2768 rundll32mgr.exe 15 PID 2768 wrote to memory of 1000 2768 rundll32mgr.exe 15 PID 2768 wrote to memory of 1000 2768 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:784
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:316
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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:780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:796
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:2972
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3744
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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:3832
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3900
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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:4016
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3968
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:2316
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:3388
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3632
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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:4952
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca2⤵PID:4432
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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:956
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:540
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:1000
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1084
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1104
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:1128
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1160
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:3000
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:1200
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1188
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1272
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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 EventSystem1⤵PID:1428
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1440
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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 DispBrokerDesktopSvc1⤵PID:1468
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1476
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C:\Windows\system32\sihost.exesihost.exe2⤵PID:2848
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1624
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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:1764
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1788
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1836
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1884
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1892
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1984
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:2004
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:1784
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:2104
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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 netsvcs -p -s Winmgmt1⤵PID:2228
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2244
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2404
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2412
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2472
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2584
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2608
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2628
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2676
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2904
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:864
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3328
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3444
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8cc8a69c53f32f6f78154e4252a0afdd54d8f7085a39e208fb26bbdabf65bc9a.dll,#13⤵
- Modifies firewall policy service
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408 -
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:2768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 2725⤵
- Program crash
PID:4276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 5804⤵
- Program crash
PID:4552
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3580
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:4436
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:952
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:760
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:3048
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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:2264
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:1620
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:4644
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k WerSvcGroup1⤵PID:1936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4408 -ip 44082⤵PID:3292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2768 -ip 27682⤵PID:2180
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a