Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
23-11-2022 19:04
General
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Target
e6f2a5e151b1f6af1ee2bced68e67b601c36322b3a997c1e7fcdc616f437ab4f.exe
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Size
820KB
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MD5
14d0b4619c03706d5853c0cf3626cb6a
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SHA1
261dc7aac68bab5bf1ece7f5a9ba84f3346d807d
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SHA256
e6f2a5e151b1f6af1ee2bced68e67b601c36322b3a997c1e7fcdc616f437ab4f
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SHA512
a8f7d4b060dd5329bfe1620eb88d035b3e3b2345d8675d27a91bd1fc6e2f2c97c0cd6b965fb509daf74f197a786e2d0020b4b14cd5a7bace81c3082d6ebaa1d2
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SSDEEP
24576:ZFE//Tct4bOsgXOEiuZ/TML1VEvpc6L1S:bSVgXv/TrcaS
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 firewall policy service 2 TTPs 6 IoCs
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
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Sality
Sality is backdoor written in C++, first discovered in 2003.
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UAC bypass 3 TTPs 2 IoCs
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Windows security bypass 2 TTPs 12 IoCs
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Adds policy Run key to start application 2 TTPs 4 IoCs
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Disables RegEdit via registry modification 2 IoCs
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Disables Task Manager via registry modification
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Executes dropped EXE 1 IoCs
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UPX packed file 10 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Windows security modification 2 TTPs 14 IoCs
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Adds Run key to start application 2 TTPs 4 IoCs
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Checks whether UAC is enabled 1 TTPs 4 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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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AutoIT Executable 3 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 4 IoCs
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Drops file in Program Files directory 11 IoCs
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Drops file in Windows directory 1 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 36 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of FindShellTrayWindow 7 IoCs
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Suspicious use of SendNotifyMessage 7 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
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System policy modification 1 TTPs 2 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\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\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\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\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\e6f2a5e151b1f6af1ee2bced68e67b601c36322b3a997c1e7fcdc616f437ab4f.exe"C:\Users\Admin\AppData\Local\Temp\e6f2a5e151b1f6af1ee2bced68e67b601c36322b3a997c1e7fcdc616f437ab4f.exe"2⤵
- Modifies firewall policy service
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Windows security bypass
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Checks computer location settings
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\csrcs.exe"C:\Windows\SysWOW64\csrcs.exe"3⤵
- Modifies firewall policy service
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Windows security bypass
- Adds policy Run key to start application
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- System policy modification
Network
MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Bypass User Account Control
1Disabling Security Tools
3Hidden Files and Directories
1Modify Registry
8Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
257B
MD511c1656cf56ca49f8ba06ba1ec91e5e5
SHA1d8663801ad612925fbfc35668ebbbf940738ba01
SHA256847f3d0d1891b23f716988cfadc927e633d452a7d0bce617dc6186f9fdb94dae
SHA5124f8356d2de4fe5e2ca83ddee01154ac0de5e6bc93460c852b71f38971eee8c47a7ab52422b365be325531887ae6cd1ae0a9233f24c3b2af6486a79d32bf510b4
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Filesize
820KB
MD514d0b4619c03706d5853c0cf3626cb6a
SHA1261dc7aac68bab5bf1ece7f5a9ba84f3346d807d
SHA256e6f2a5e151b1f6af1ee2bced68e67b601c36322b3a997c1e7fcdc616f437ab4f
SHA512a8f7d4b060dd5329bfe1620eb88d035b3e3b2345d8675d27a91bd1fc6e2f2c97c0cd6b965fb509daf74f197a786e2d0020b4b14cd5a7bace81c3082d6ebaa1d2
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Filesize
820KB
MD514d0b4619c03706d5853c0cf3626cb6a
SHA1261dc7aac68bab5bf1ece7f5a9ba84f3346d807d
SHA256e6f2a5e151b1f6af1ee2bced68e67b601c36322b3a997c1e7fcdc616f437ab4f
SHA512a8f7d4b060dd5329bfe1620eb88d035b3e3b2345d8675d27a91bd1fc6e2f2c97c0cd6b965fb509daf74f197a786e2d0020b4b14cd5a7bace81c3082d6ebaa1d2
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Filesize
1.3MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
16.6MB
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Filesize
1.3MB
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Filesize
16.6MB
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Filesize
1.3MB
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Filesize
16.6MB