Analysis
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max time kernel
166s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
24-11-2022 01:04
General
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Target
9ecccd3585e22270ac2cca1c44cc02d615168ea3a66d3e00fdc77d2aaa7d7c02.exe
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Size
896KB
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MD5
096fc5dcfe4cd085c7b2603a5f5cd5f0
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SHA1
e4aac7150388f7866f3257d7bcc0dd32696138a0
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SHA256
9ecccd3585e22270ac2cca1c44cc02d615168ea3a66d3e00fdc77d2aaa7d7c02
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SHA512
e9c7bdd68bca7459298657c81b3476e8a37ae8f0c0ff5db1a589edada1958b043831e19920d91b407255a7ddbe95ba5b0f02a2020a91f17e15cf176a446de4be
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SSDEEP
24576:GScgU5obevWpo2oZzaIS5UnrqePhSHAH:GXsbeui25vGnrqyIA
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 WinLogon for persistence 2 TTPs 1 IoCs
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Modifies firewall policy service 2 TTPs 3 IoCs
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Sality
Sality is backdoor written in C++, first discovered in 2003.
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UAC bypass 3 TTPs 1 IoCs
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Windows security bypass 2 TTPs 6 IoCs
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Disables RegEdit via registry modification 1 IoCs
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Disables Task Manager via registry modification
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UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification 2 TTPs 7 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Modifies WinLogon 2 TTPs 1 IoCs
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AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
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Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory 5 IoCs
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Drops file in Program Files directory 11 IoCs
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Drops file in Windows directory 5 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 28 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
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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\dwm.exe"dwm.exe"1⤵
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.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\9ecccd3585e22270ac2cca1c44cc02d615168ea3a66d3e00fdc77d2aaa7d7c02.exe"C:\Users\Admin\AppData\Local\Temp\9ecccd3585e22270ac2cca1c44cc02d615168ea3a66d3e00fdc77d2aaa7d7c02.exe"2⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Enumerates connected drives
- Modifies WinLogon
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT /delete /yes4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe4⤵
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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\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.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵
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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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Persistence
Winlogon Helper DLL
2Modify Existing Service
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
8Bypass User Account Control
1Disabling Security Tools
3Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2196-135-0x0000000000000000-mapping.dmp
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memory/4512-132-0x00000000033C0000-0x000000000444E000-memory.dmpFilesize
16.6MB
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memory/4512-133-0x0000000000400000-0x0000000000550000-memory.dmpFilesize
1.3MB
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memory/4512-138-0x0000000000400000-0x0000000000550000-memory.dmpFilesize
1.3MB
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memory/4512-139-0x00000000033C0000-0x000000000444E000-memory.dmpFilesize
16.6MB
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memory/4540-137-0x0000000000000000-mapping.dmp
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memory/4588-136-0x0000000000000000-mapping.dmp
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memory/4988-134-0x0000000000000000-mapping.dmp