Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
04/06/2024, 01:00
General
- Target 03120096e2ef4ca7a910692544ee61c9.exe
- Size 533KB
- Sample240604-bcylbsfe91
- SHA256 73512b17bf10b2e8e7e7b446e5f62817418ad1adcc28558b61f59b1288fcd9ae
Malware Config
Extracted
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sality
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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/
Signatures
- Modifies firewall policy service 2 TTPs 3 IoCs
- Sality
Sality is backdoor written in C++, first discovered in 2003.
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 6 IoCs
- Disables RegEdit via registry modification 1 IoCs
- Disables Task Manager via registry modification
- UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Windows security modification 2 TTPs 7 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Drops file in Windows directory 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- System policy modification 1 TTPs 1 IoCs
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\sihost.exesihost.exe1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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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\03120096e2ef4ca7a910692544ee61c9.exe"C:\Users\Admin\AppData\Local\Temp\03120096e2ef4ca7a910692544ee61c9.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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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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\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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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\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\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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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⤵
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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\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/3200-0-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3200-1-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-3-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-5-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-4-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-15-0x0000000003F40000-0x0000000003F42000-memory.dmp
memory/3200-9-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-12-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-25-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-27-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3200-13-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-11-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-6-0x0000000002360000-0x00000000033EE000-memory.dmp
memory/3200-10-0x0000000003F40000-0x0000000003F42000-memory.dmp
memory/3200-8-0x0000000004090000-0x0000000004091000-memory.dmp
memory/3200-7-0x0000000003F40000-0x0000000003F42000-memory.dmp
memory/3200-14-0x0000000002360000-0x00000000033EE000-memory.dmp