Analysis
-
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 17:36
Static task
static1
Behavioral task
behavioral1
Sample
cf4f6b5a2c79ab59baed2923c39ca94b11d7d235348fbc944b81fbf1dd710203N.dll
Resource
win7-20241010-en
General
-
Target
cf4f6b5a2c79ab59baed2923c39ca94b11d7d235348fbc944b81fbf1dd710203N.dll
-
Size
204KB
-
MD5
9576774001cb48d03be6619c12ea4a40
-
SHA1
79555ef3c0f4d72b4477efd32a300c4ca9de4679
-
SHA256
cf4f6b5a2c79ab59baed2923c39ca94b11d7d235348fbc944b81fbf1dd710203
-
SHA512
1ebaca6f5859226d344b59c23bd2f6bbff455433da9935bce036facc220f69b66d2a69f8d7b51f7620595acf67a87eb911bdf8d63405525eb83ccd846a8c76eb
-
SSDEEP
3072:wgB3oFE5TT7z3EAS1uvY8XDxr3gNO0QO8rH/PyLpiuwRTzDZu:/1F33Eov9XDJgNAfqqRA
Malware Config
Signatures
-
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 4 4116 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 4544 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/0x0009000000023bac-5.dat upx behavioral2/memory/4544-4-0x0000000000400000-0x0000000000464000-memory.dmp upx behavioral2/memory/4544-15-0x0000000000400000-0x0000000000464000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 5040 4544 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 4544 rundll32mgr.exe 4544 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe 4544 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4544 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4632 wrote to memory of 4116 4632 rundll32.exe 83 PID 4632 wrote to memory of 4116 4632 rundll32.exe 83 PID 4632 wrote to memory of 4116 4632 rundll32.exe 83 PID 4116 wrote to memory of 4544 4116 rundll32.exe 84 PID 4116 wrote to memory of 4544 4116 rundll32.exe 84 PID 4116 wrote to memory of 4544 4116 rundll32.exe 84 PID 4544 wrote to memory of 612 4544 rundll32mgr.exe 5 PID 4544 wrote to memory of 612 4544 rundll32mgr.exe 5 PID 4544 wrote to memory of 612 4544 rundll32mgr.exe 5 PID 4544 wrote to memory of 612 4544 rundll32mgr.exe 5 PID 4544 wrote to memory of 612 4544 rundll32mgr.exe 5 PID 4544 wrote to memory of 612 4544 rundll32mgr.exe 5 PID 4544 wrote to memory of 668 4544 rundll32mgr.exe 7 PID 4544 wrote to memory of 668 4544 rundll32mgr.exe 7 PID 4544 wrote to memory of 668 4544 rundll32mgr.exe 7 PID 4544 wrote to memory of 668 4544 rundll32mgr.exe 7 PID 4544 wrote to memory of 668 4544 rundll32mgr.exe 7 PID 4544 wrote to memory of 668 4544 rundll32mgr.exe 7 PID 4544 wrote to memory of 760 4544 rundll32mgr.exe 8 PID 4544 wrote to memory of 760 4544 rundll32mgr.exe 8 PID 4544 wrote to memory of 760 4544 rundll32mgr.exe 8 PID 4544 wrote to memory of 760 4544 rundll32mgr.exe 8 PID 4544 wrote to memory of 760 4544 rundll32mgr.exe 8 PID 4544 wrote to memory of 760 4544 rundll32mgr.exe 8 PID 4544 wrote to memory of 764 4544 rundll32mgr.exe 9 PID 4544 wrote to memory of 764 4544 rundll32mgr.exe 9 PID 4544 wrote to memory of 764 4544 rundll32mgr.exe 9 PID 4544 wrote to memory of 764 4544 rundll32mgr.exe 9 PID 4544 wrote to memory of 764 4544 rundll32mgr.exe 9 PID 4544 wrote to memory of 764 4544 rundll32mgr.exe 9 PID 4544 wrote to memory of 780 4544 rundll32mgr.exe 10 PID 4544 wrote to memory of 780 4544 rundll32mgr.exe 10 PID 4544 wrote to memory of 780 4544 rundll32mgr.exe 10 PID 4544 wrote to memory of 780 4544 rundll32mgr.exe 10 PID 4544 wrote to memory of 780 4544 rundll32mgr.exe 10 PID 4544 wrote to memory of 780 4544 rundll32mgr.exe 10 PID 4544 wrote to memory of 896 4544 rundll32mgr.exe 11 PID 4544 wrote to memory of 896 4544 rundll32mgr.exe 11 PID 4544 wrote to memory of 896 4544 rundll32mgr.exe 11 PID 4544 wrote to memory of 896 4544 rundll32mgr.exe 11 PID 4544 wrote to memory of 896 4544 rundll32mgr.exe 11 PID 4544 wrote to memory of 896 4544 rundll32mgr.exe 11 PID 4544 wrote to memory of 944 4544 rundll32mgr.exe 12 PID 4544 wrote to memory of 944 4544 rundll32mgr.exe 12 PID 4544 wrote to memory of 944 4544 rundll32mgr.exe 12 PID 4544 wrote to memory of 944 4544 rundll32mgr.exe 12 PID 4544 wrote to memory of 944 4544 rundll32mgr.exe 12 PID 4544 wrote to memory of 944 4544 rundll32mgr.exe 12 PID 4544 wrote to memory of 64 4544 rundll32mgr.exe 13 PID 4544 wrote to memory of 64 4544 rundll32mgr.exe 13 PID 4544 wrote to memory of 64 4544 rundll32mgr.exe 13 PID 4544 wrote to memory of 64 4544 rundll32mgr.exe 13 PID 4544 wrote to memory of 64 4544 rundll32mgr.exe 13 PID 4544 wrote to memory of 64 4544 rundll32mgr.exe 13 PID 4544 wrote to memory of 528 4544 rundll32mgr.exe 14 PID 4544 wrote to memory of 528 4544 rundll32mgr.exe 14 PID 4544 wrote to memory of 528 4544 rundll32mgr.exe 14 PID 4544 wrote to memory of 528 4544 rundll32mgr.exe 14 PID 4544 wrote to memory of 528 4544 rundll32mgr.exe 14 PID 4544 wrote to memory of 528 4544 rundll32mgr.exe 14 PID 4544 wrote to memory of 724 4544 rundll32mgr.exe 15 PID 4544 wrote to memory of 724 4544 rundll32mgr.exe 15 PID 4544 wrote to memory of 724 4544 rundll32mgr.exe 15 PID 4544 wrote to memory of 724 4544 rundll32mgr.exe 15
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"2⤵PID:760
-
-
C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:64
-
-
C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:668
-
C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:764
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:780
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding2⤵PID:2904
-
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3792
-
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca2⤵PID:3884
-
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3956
-
-
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca2⤵PID:4052
-
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:4212
-
-
C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:4124
-
-
C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:4656
-
-
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:4732
-
-
C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3744
-
-
C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca2⤵PID:4888
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS -p1⤵PID:896
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:944
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:528
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:724
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:1032
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1100
-
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:3100
-
-
C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe2⤵PID:4084
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1124
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1136
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1168
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1188
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1332
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1348
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1376
-
C:\Windows\system32\sihost.exesihost.exe2⤵PID:3048
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1432
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1588
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1600
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1640
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1708
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1744
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1788
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1864
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2012
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:2024
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:2036
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1028
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1908
-
C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2156
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:2224
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2260
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2320
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2488
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2496
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2636
-
C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2664
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2696
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2712
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2772
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2624
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵PID:3244
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3388
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3472
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cf4f6b5a2c79ab59baed2923c39ca94b11d7d235348fbc944b81fbf1dd710203N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cf4f6b5a2c79ab59baed2923c39ca94b11d7d235348fbc944b81fbf1dd710203N.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:4116 -
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:4544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 2725⤵
- Program crash
PID:5040
-
-
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3588
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:5020
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:5108
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:1620
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:1624
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:3992
-
C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:1388
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc1⤵PID:4428
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 45441⤵PID:2356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
159KB
MD58703c6aeb2e62da71e50db9698d91e35
SHA1cafceda794c5b1976b46a5d39949137aba8dc9e6
SHA256c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d
SHA51248e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a