Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
09/11/2024, 04:08
General
- Target 4d8be1c30fad0027ff501c80681a8c5a7dfcb8cd863c249bcdca84998c7b6ef8.exe
- Size 1.5MB
- Sample241109-eqb62aznap
- SHA256 4d8be1c30fad0027ff501c80681a8c5a7dfcb8cd863c249bcdca84998c7b6ef8
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
Signatures
- Modifies firewall policy service 3 TTPs 3 IoCs
- Sality
Sality is backdoor written in C++, first discovered in 2003.
- Sality family
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 6 IoCs
- Windows security modification 2 TTPs 7 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Drops desktop.ini file(s) 1 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies Internet Explorer settings 1 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 18 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\4d8be1c30fad0027ff501c80681a8c5a7dfcb8cd863c249bcdca84998c7b6ef8.exe"C:\Users\Admin\AppData\Local\Temp\4d8be1c30fad0027ff501c80681a8c5a7dfcb8cd863c249bcdca84998c7b6ef8.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- 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\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\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
6Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
4d8be1c30fad0027ff501c80681a8c5a7dfcb8cd863c249bcdca84998c7b6ef8.exe
desktop.ini
memory/2896-3-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-86-0x0000000000400000-0x000000000058F000-memory.dmp
memory/2896-13-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-14-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-17-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-19-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-25-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-21-0x0000000004900000-0x0000000004901000-memory.dmp
memory/2896-20-0x0000000000840000-0x0000000000842000-memory.dmp
memory/2896-18-0x0000000000840000-0x0000000000842000-memory.dmp
memory/2896-15-0x0000000000840000-0x0000000000842000-memory.dmp
memory/2896-26-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-6-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-0-0x0000000000400000-0x000000000058F000-memory.dmp
memory/2896-5-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-12-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-4-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-27-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-45-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-63-0x0000000010000000-0x0000000010102000-memory.dmp
memory/2896-62-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-66-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-67-0x0000000010000000-0x0000000010102000-memory.dmp
memory/2896-75-0x0000000000840000-0x0000000000842000-memory.dmp
memory/2896-16-0x00000000023F0000-0x00000000023F1000-memory.dmp
memory/2896-80-0x0000000002510000-0x00000000035CA000-memory.dmp
memory/2896-87-0x0000000010000000-0x0000000010102000-memory.dmp