Analysis
- max time kernel
3s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
10/01/2024, 22:10
General
- Target 51c00f2268dbffddcd17612cc1c0823a.exe
- Size 14.1MB
- Sample240110-13rcdaaag5
- SHA256 d12a5e566b0055bb51118a48444bcbfb3b9ad1a5a0679a72197365a25ff95b9d
Malware Config
Extracted
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tofsee
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43.231.4.6
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lazystax.ru
Signatures
- Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
- Creates new service(s) 1 TTPs
- Modifies Windows Firewall 1 TTPs 1 IoCs
- Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\51c00f2268dbffddcd17612cc1c0823a.exe"C:\Users\Admin\AppData\Local\Temp\51c00f2268dbffddcd17612cc1c0823a.exe"1⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ddmvvcxu\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vwyztwrj.exe" C:\Windows\SysWOW64\ddmvvcxu\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ddmvvcxu binPath= "C:\Windows\SysWOW64\ddmvvcxu\vwyztwrj.exe /d\"C:\Users\Admin\AppData\Local\Temp\51c00f2268dbffddcd17612cc1c0823a.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ddmvvcxu "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ddmvvcxu2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3880 -s 6722⤵
- Program crash
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
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C:\Windows\SysWOW64\ddmvvcxu\vwyztwrj.exeC:\Windows\SysWOW64\ddmvvcxu\vwyztwrj.exe /d"C:\Users\Admin\AppData\Local\Temp\51c00f2268dbffddcd17612cc1c0823a.exe"1⤵
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C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 5082⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3880 -ip 38801⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1968 -ip 19681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1968-13-0x0000000000400000-0x00000000008EA000-memory.dmp
memory/1968-11-0x0000000000980000-0x0000000000A80000-memory.dmp
memory/3880-1-0x0000000000980000-0x0000000000A80000-memory.dmp
memory/3880-4-0x0000000000400000-0x00000000008EA000-memory.dmp
memory/3880-7-0x0000000000400000-0x00000000008EA000-memory.dmp
memory/3880-8-0x0000000002660000-0x0000000002673000-memory.dmp
memory/3880-2-0x0000000002660000-0x0000000002673000-memory.dmp
memory/4276-15-0x0000000000F70000-0x0000000000F85000-memory.dmp
memory/4276-18-0x0000000000F70000-0x0000000000F85000-memory.dmp
memory/4276-16-0x0000000000F70000-0x0000000000F85000-memory.dmp
memory/4276-10-0x0000000000F70000-0x0000000000F85000-memory.dmp
memory/4276-19-0x0000000000F70000-0x0000000000F85000-memory.dmp