Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
27/02/2024, 12:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a922ecb67eb127668f58bef9bbe8d38a.exe
Resource
win7-20240221-en
windows7-x64
14 signatures
150 seconds
General
- Target a922ecb67eb127668f58bef9bbe8d38a.exe
- Size 148KB
- Sample240227-phe8tsha4t
- SHA256 582406ea5f7ffe83979f5af638c3417847ab4912fb791b1a265d083439b225ec
- MD5 a922ecb67eb127668f58bef9bbe8d38a
- SHA1 03983d7d18cfc6dc0deb5384a81dc7cd42fadaba
- SHA512 7922883ae9276ab63850b4e1dbdfcf3968f44fd769535af3eec79049b0c3f20e457bfdf71df2f0057d17aa4dab36711eda9b53f27c4944667058be17a96631ba
- SSDEEP 3072:82lmwbmUcHu6XvIkw9/SUo4ivBILE+1DS90EEYIBYurwFFHp5YP:TbmUb6Xgkww9va3S0Eo+3rc
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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sality
C2
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http://89.119.67.154/testo5/
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http://kukutrustnet777.info/home.gif
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http://kukutrustnet888.info/home.gif
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http://kukutrustnet987.info/home.gif
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http://www.klkjwre9fqwieluoi.info/
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http://kukutrustnet777888.info/
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http://klkjwre77638dfqwieuoi888.info/
Signatures
- Modifies firewall policy service 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" a922ecb67eb127668f58bef9bbe8d38a.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a922ecb67eb127668f58bef9bbe8d38a.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" a922ecb67eb127668f58bef9bbe8d38a.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" a922ecb67eb127668f58bef9bbe8d38a.exe - Disables Task Manager via registry modification
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resource yara_rule behavioral2/memory/444-0-0x0000000004940000-0x00000000059CE000-memory.dmp upx behavioral2/memory/444-2-0x0000000004940000-0x00000000059CE000-memory.dmp upx behavioral2/memory/444-4-0x0000000004940000-0x00000000059CE000-memory.dmp upx behavioral2/memory/444-9-0x0000000004940000-0x00000000059CE000-memory.dmp upx behavioral2/memory/444-10-0x0000000004940000-0x00000000059CE000-memory.dmp upx behavioral2/memory/444-11-0x0000000004940000-0x00000000059CE000-memory.dmp upx behavioral2/memory/444-16-0x0000000004940000-0x00000000059CE000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a922ecb67eb127668f58bef9bbe8d38a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a922ecb67eb127668f58bef9bbe8d38a.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a922ecb67eb127668f58bef9bbe8d38a.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI a922ecb67eb127668f58bef9bbe8d38a.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 444 a922ecb67eb127668f58bef9bbe8d38a.exe 444 a922ecb67eb127668f58bef9bbe8d38a.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe Token: SeDebugPrivilege 444 a922ecb67eb127668f58bef9bbe8d38a.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 444 wrote to memory of 796 444 a922ecb67eb127668f58bef9bbe8d38a.exe 79 PID 444 wrote to memory of 804 444 a922ecb67eb127668f58bef9bbe8d38a.exe 78 PID 444 wrote to memory of 324 444 a922ecb67eb127668f58bef9bbe8d38a.exe 4 PID 444 wrote to memory of 2640 444 a922ecb67eb127668f58bef9bbe8d38a.exe 48 PID 444 wrote to memory of 2652 444 a922ecb67eb127668f58bef9bbe8d38a.exe 47 PID 444 wrote to memory of 2788 444 a922ecb67eb127668f58bef9bbe8d38a.exe 44 PID 444 wrote to memory of 3420 444 a922ecb67eb127668f58bef9bbe8d38a.exe 37 PID 444 wrote to memory of 3556 444 a922ecb67eb127668f58bef9bbe8d38a.exe 36 PID 444 wrote to memory of 3740 444 a922ecb67eb127668f58bef9bbe8d38a.exe 35 PID 444 wrote to memory of 3888 444 a922ecb67eb127668f58bef9bbe8d38a.exe 34 PID 444 wrote to memory of 3952 444 a922ecb67eb127668f58bef9bbe8d38a.exe 9 PID 444 wrote to memory of 4040 444 a922ecb67eb127668f58bef9bbe8d38a.exe 33 PID 444 wrote to memory of 3820 444 a922ecb67eb127668f58bef9bbe8d38a.exe 32 PID 444 wrote to memory of 5080 444 a922ecb67eb127668f58bef9bbe8d38a.exe 30 PID 444 wrote to memory of 304 444 a922ecb67eb127668f58bef9bbe8d38a.exe 21 PID 444 wrote to memory of 4348 444 a922ecb67eb127668f58bef9bbe8d38a.exe 14 PID 444 wrote to memory of 3752 444 a922ecb67eb127668f58bef9bbe8d38a.exe 13 PID 444 wrote to memory of 3856 444 a922ecb67eb127668f58bef9bbe8d38a.exe 12 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a922ecb67eb127668f58bef9bbe8d38a.exe
Processes
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:324
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3952
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:3856
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:3752
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵PID:4348
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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.mca1⤵PID:304
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:5080
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3820
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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⤵PID:4040
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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⤵PID:3888
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3740
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:3556
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3420
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C:\Users\Admin\AppData\Local\Temp\a922ecb67eb127668f58bef9bbe8d38a.exe"C:\Users\Admin\AppData\Local\Temp\a922ecb67eb127668f58bef9bbe8d38a.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:444
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2788
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2652
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2640
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:804
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:796
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1