Analysis
- max time kernel
95s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/12/2024, 03:25
General
- Target 5a24ed7cf76a47f18b6c3274f8d4801812e429e112c6aee9991ce61b508ff7caN.exe
- Size 2.5MB
- Sample241208-dysnbavpcq
- SHA256 5a24ed7cf76a47f18b6c3274f8d4801812e429e112c6aee9991ce61b508ff7ca
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 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
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Windows security modification 2 TTPs 7 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 7 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- UPX packed file 24 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of WriteProcessMemory 37 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\5a24ed7cf76a47f18b6c3274f8d4801812e429e112c6aee9991ce61b508ff7caN.exe"C:\Users\Admin\AppData\Local\Temp\5a24ed7cf76a47f18b6c3274f8d4801812e429e112c6aee9991ce61b508ff7caN.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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\??\c:\9d64a60faa144580bd68f663e751\UPDATE\update.exec:\9d64a60faa144580bd68f663e751\UPDATE\update.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
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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: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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
update.exe
5a24ed7cf76a47f18b6c3274f8d4801812e429e112c6aee9991ce61b508ff7caN.exe
UPDSPAPI.dll
update_win2k.inf
updatebr.inf
memory/4852-8-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-71-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-12-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-16-0x00000000004B0000-0x00000000004B2000-memory.dmp
memory/4852-15-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-0-0x0000000001000000-0x000000000129A000-memory.dmp
memory/4852-10-0x00000000004D0000-0x00000000004D1000-memory.dmp
memory/4852-9-0x00000000004B0000-0x00000000004B2000-memory.dmp
memory/4852-13-0x00000000004B0000-0x00000000004B2000-memory.dmp
memory/4852-1-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-19-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-14-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-23-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-22-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-49-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-17-0x0000000001002000-0x0000000001003000-memory.dmp
memory/4852-4-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-112-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-11-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-3-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-61-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-62-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-124-0x0000000001000000-0x000000000129A000-memory.dmp
memory/4852-84-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-67-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-18-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-76-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-77-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-78-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-79-0x00000000004B0000-0x00000000004B2000-memory.dmp
memory/4852-80-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4852-82-0x00000000026B0000-0x000000000373E000-memory.dmp
memory/4980-65-0x0000000002640000-0x0000000002641000-memory.dmp
memory/4980-87-0x0000000000FF0000-0x0000000000FF2000-memory.dmp
memory/4980-66-0x0000000000FF0000-0x0000000000FF2000-memory.dmp
memory/4980-58-0x0000000000A20000-0x0000000000A7C000-memory.dmp