Analysis
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max time kernel
147s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
25-11-2022 18:35
General
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Target
samp-server.exe
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Size
960KB
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MD5
652fc3d187426969c78b5896c55f0bd3
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SHA1
5905c3f30aae347c6781c9ba54f2e9acb789b8aa
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SHA256
80851b341f41613d761255eb22e31e59e0b7ef31f80b6606e6313548d61c5af8
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SHA512
23d6d3cc33d0d6d2601162b2f2de8875029cbfbf29f976ab4380d007f74180c2a6b8e2a37be2df21066b262b52b6deb625b78456a7e988cc234d34545fdf0a42
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SSDEEP
24576:6qa8CCL4TO9g+a4VlrotyQlRRYIW0DAOngnclqx3eUk++uKH:qe40a4ktYISOMclv5l
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 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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UPX packed file 2 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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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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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 Program Files directory 11 IoCs
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Drops file in Windows directory 1 IoCs
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Suspicious behavior: EnumeratesProcesses 30 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\samp-server.exe"C:\Users\Admin\AppData\Local\Temp\samp-server.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- 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\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV13⤵
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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⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2128-133-0x0000000000400000-0x0000000000500000-memory.dmpFilesize
1024KB
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memory/2128-132-0x00000000023F0000-0x000000000347E000-memory.dmpFilesize
16.6MB
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memory/2128-134-0x00000000023F0000-0x000000000347E000-memory.dmpFilesize
16.6MB
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memory/2128-135-0x0000000000400000-0x0000000000500000-memory.dmpFilesize
1024KB