Analysis
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max time kernel
188s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 15:17
Static task
static1
Behavioral task
behavioral1
Sample
rootkit.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
rootkit.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
shell asp.vbs
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
shell asp.vbs
Resource
win10v2004-20221111-en
General
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Target
rootkit.exe
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Size
304KB
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MD5
370e4bc02d5119313b3cc3ecd983f43c
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SHA1
d7614d4458a36c6b89c1caa0e3c8cc4e54512d0e
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SHA256
bcff8e5ffe026d658191114f7af305b5fb4af2101ad4367ba37fc24fc49390f9
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SHA512
4c12a3c71d715899a3dea6beff214ae91821bcbea6a90050397ebfa51075d4782af546adda4bbc3fef05777ca3da6f3bd3795329096d6f295f25607470819ed5
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SSDEEP
3072:x/biY21gVP7HN6ijDtOpKUrIVWFnHA9vSeoyMyjoE4TDDpJt5nXs7tauXOnMVgnh:x/ag1jDtOFNIZMNE4TfPCtauX/gnd3
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
rootkit.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" rootkit.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" rootkit.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" rootkit.exe -
Processes:
rootkit.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rootkit.exe -
Processes:
rootkit.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" rootkit.exe -
Processes:
resource yara_rule behavioral2/memory/4024-133-0x0000000002A20000-0x0000000003AAE000-memory.dmp upx behavioral2/memory/4024-136-0x0000000002A20000-0x0000000003AAE000-memory.dmp upx behavioral2/memory/4024-137-0x0000000002A20000-0x0000000003AAE000-memory.dmp upx -
Processes:
rootkit.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" rootkit.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rootkit.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rootkit.exe -
Processes:
rootkit.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rootkit.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rootkit.exedescription ioc process File opened (read-only) \??\T: rootkit.exe File opened (read-only) \??\V: rootkit.exe File opened (read-only) \??\W: rootkit.exe File opened (read-only) \??\G: rootkit.exe File opened (read-only) \??\H: rootkit.exe File opened (read-only) \??\J: rootkit.exe File opened (read-only) \??\O: rootkit.exe File opened (read-only) \??\R: rootkit.exe File opened (read-only) \??\E: rootkit.exe File opened (read-only) \??\K: rootkit.exe File opened (read-only) \??\Y: rootkit.exe File opened (read-only) \??\Z: rootkit.exe File opened (read-only) \??\F: rootkit.exe File opened (read-only) \??\L: rootkit.exe File opened (read-only) \??\P: rootkit.exe File opened (read-only) \??\Q: rootkit.exe File opened (read-only) \??\X: rootkit.exe File opened (read-only) \??\I: rootkit.exe File opened (read-only) \??\M: rootkit.exe File opened (read-only) \??\N: rootkit.exe File opened (read-only) \??\S: rootkit.exe File opened (read-only) \??\U: rootkit.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
rootkit.exedescription ioc process File opened for modification C:\autorun.inf rootkit.exe -
Drops file in Program Files directory 12 IoCs
Processes:
rootkit.exedescription ioc process File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\OfficeClickToRun.exe rootkit.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe rootkit.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe rootkit.exe File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe rootkit.exe File opened for modification C:\PROGRAM FILES\CheckpointSwitch.exe rootkit.exe File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\IntegratedOffice.exe rootkit.exe File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\MavInject32.exe rootkit.exe File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\OfficeC2RClient.exe rootkit.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe rootkit.exe File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\appvcleaner.exe rootkit.exe File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\AppVShNotify.exe rootkit.exe File opened for modification C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\InspectorOfficeGadget.exe rootkit.exe -
Drops file in Windows directory 1 IoCs
Processes:
rootkit.exedescription ioc process File opened for modification C:\Windows\SYSTEM.INI rootkit.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
rootkit.exepid process 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
rootkit.exedescription pid process Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe Token: SeDebugPrivilege 4024 rootkit.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
rootkit.exepid process 4024 rootkit.exe 4024 rootkit.exe 4024 rootkit.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
rootkit.exedescription pid process target process PID 4024 wrote to memory of 764 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 768 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 1004 4024 rootkit.exe dwm.exe PID 4024 wrote to memory of 2444 4024 rootkit.exe sihost.exe PID 4024 wrote to memory of 2460 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 2548 4024 rootkit.exe taskhostw.exe PID 4024 wrote to memory of 2176 4024 rootkit.exe Explorer.EXE PID 4024 wrote to memory of 2620 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 3216 4024 rootkit.exe DllHost.exe PID 4024 wrote to memory of 3312 4024 rootkit.exe StartMenuExperienceHost.exe PID 4024 wrote to memory of 3372 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 3452 4024 rootkit.exe SearchApp.exe PID 4024 wrote to memory of 3708 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 4692 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 4948 4024 rootkit.exe backgroundTaskHost.exe PID 4024 wrote to memory of 2584 4024 rootkit.exe backgroundTaskHost.exe PID 4024 wrote to memory of 3468 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 764 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 768 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 1004 4024 rootkit.exe dwm.exe PID 4024 wrote to memory of 2444 4024 rootkit.exe sihost.exe PID 4024 wrote to memory of 2460 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 2548 4024 rootkit.exe taskhostw.exe PID 4024 wrote to memory of 2176 4024 rootkit.exe Explorer.EXE PID 4024 wrote to memory of 2620 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 3216 4024 rootkit.exe DllHost.exe PID 4024 wrote to memory of 3312 4024 rootkit.exe StartMenuExperienceHost.exe PID 4024 wrote to memory of 3372 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 3452 4024 rootkit.exe SearchApp.exe PID 4024 wrote to memory of 3708 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 4692 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 4948 4024 rootkit.exe backgroundTaskHost.exe PID 4024 wrote to memory of 2584 4024 rootkit.exe backgroundTaskHost.exe PID 4024 wrote to memory of 3468 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 3948 4024 rootkit.exe BackgroundTransferHost.exe PID 4024 wrote to memory of 764 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 768 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 1004 4024 rootkit.exe dwm.exe PID 4024 wrote to memory of 2444 4024 rootkit.exe sihost.exe PID 4024 wrote to memory of 2460 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 2548 4024 rootkit.exe taskhostw.exe PID 4024 wrote to memory of 2176 4024 rootkit.exe Explorer.EXE PID 4024 wrote to memory of 2620 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 3216 4024 rootkit.exe DllHost.exe PID 4024 wrote to memory of 3312 4024 rootkit.exe StartMenuExperienceHost.exe PID 4024 wrote to memory of 3372 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 3452 4024 rootkit.exe SearchApp.exe PID 4024 wrote to memory of 3708 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 4692 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 4948 4024 rootkit.exe backgroundTaskHost.exe PID 4024 wrote to memory of 2584 4024 rootkit.exe backgroundTaskHost.exe PID 4024 wrote to memory of 3468 4024 rootkit.exe RuntimeBroker.exe PID 4024 wrote to memory of 3948 4024 rootkit.exe BackgroundTransferHost.exe PID 4024 wrote to memory of 764 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 768 4024 rootkit.exe fontdrvhost.exe PID 4024 wrote to memory of 1004 4024 rootkit.exe dwm.exe PID 4024 wrote to memory of 2444 4024 rootkit.exe sihost.exe PID 4024 wrote to memory of 2460 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 2548 4024 rootkit.exe taskhostw.exe PID 4024 wrote to memory of 2176 4024 rootkit.exe Explorer.EXE PID 4024 wrote to memory of 2620 4024 rootkit.exe svchost.exe PID 4024 wrote to memory of 3216 4024 rootkit.exe DllHost.exe PID 4024 wrote to memory of 3312 4024 rootkit.exe StartMenuExperienceHost.exe PID 4024 wrote to memory of 3372 4024 rootkit.exe RuntimeBroker.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
rootkit.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rootkit.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\rootkit.exe"C:\Users\Admin\AppData\Local\Temp\rootkit.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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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.mca1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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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.mca1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4024-132-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/4024-133-0x0000000002A20000-0x0000000003AAE000-memory.dmpFilesize
16.6MB
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memory/4024-136-0x0000000002A20000-0x0000000003AAE000-memory.dmpFilesize
16.6MB
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memory/4024-137-0x0000000002A20000-0x0000000003AAE000-memory.dmpFilesize
16.6MB
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memory/4024-138-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB