Analysis
- max time kernel
1s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
01/01/2024, 00:07
General
- Target 3b696af7cfd148fd53fcd760e2967ea8.exe
- Size 12.4MB
- Sample240101-aef9dsbba7
- SHA256 0274ac69e9e961cb0729471460e617ecef53036c04ea8f1c1c02d9ae2fb7d681
Malware Config
Extracted
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tofsee
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defeatwax.ru
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refabyd.info
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\3b696af7cfd148fd53fcd760e2967ea8.exe"C:\Users\Admin\AppData\Local\Temp\3b696af7cfd148fd53fcd760e2967ea8.exe"1⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gffcqfly\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ziqohjmm.exe" C:\Windows\SysWOW64\gffcqfly\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create gffcqfly binPath= "C:\Windows\SysWOW64\gffcqfly\ziqohjmm.exe /d\"C:\Users\Admin\AppData\Local\Temp\3b696af7cfd148fd53fcd760e2967ea8.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 gffcqfly "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start gffcqfly2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 12362⤵
- 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\gffcqfly\ziqohjmm.exeC:\Windows\SysWOW64\gffcqfly\ziqohjmm.exe /d"C:\Users\Admin\AppData\Local\Temp\3b696af7cfd148fd53fcd760e2967ea8.exe"1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 5282⤵
- Program crash
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C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3196 -ip 31961⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1864 -ip 18641⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1364-17-0x0000000000530000-0x0000000000545000-memory.dmp
memory/1364-16-0x0000000000530000-0x0000000000545000-memory.dmp
memory/1364-15-0x0000000000530000-0x0000000000545000-memory.dmp
memory/1364-11-0x0000000000530000-0x0000000000545000-memory.dmp
memory/1364-19-0x0000000000530000-0x0000000000545000-memory.dmp
memory/1864-12-0x0000000000400000-0x0000000000468000-memory.dmp
memory/1864-10-0x0000000000610000-0x0000000000710000-memory.dmp
memory/3196-1-0x0000000000700000-0x0000000000800000-memory.dmp
memory/3196-2-0x00000000021B0000-0x00000000021C3000-memory.dmp
memory/3196-4-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3196-8-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3196-9-0x00000000021B0000-0x00000000021C3000-memory.dmp