Analysis
- max time kernel
2s - max time network
44s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
30/12/2023, 02:34
General
- Target 0bd4b17197a237a6b892cb49969e8b2b.exe
- Size 10.9MB
- Sample231230-c2vreafge4
- SHA256 32b88643109ff71687d0afd291967db514f6ba60f0c8fb6ab08cca85c71bb0c5
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\0bd4b17197a237a6b892cb49969e8b2b.exe"C:\Users\Admin\AppData\Local\Temp\0bd4b17197a237a6b892cb49969e8b2b.exe"1⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\arzqpxhr\2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tgcsahcm.exe" C:\Windows\SysWOW64\arzqpxhr\2⤵
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create arzqpxhr binPath= "C:\Windows\SysWOW64\arzqpxhr\tgcsahcm.exe /d\"C:\Users\Admin\AppData\Local\Temp\0bd4b17197a237a6b892cb49969e8b2b.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 arzqpxhr "wifi internet conection"2⤵
- Launches sc.exe
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start arzqpxhr2⤵
- Launches sc.exe
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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\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 12282⤵
- Program crash
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C:\Windows\SysWOW64\arzqpxhr\tgcsahcm.exeC:\Windows\SysWOW64\arzqpxhr\tgcsahcm.exe /d"C:\Users\Admin\AppData\Local\Temp\0bd4b17197a237a6b892cb49969e8b2b.exe"1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 2522⤵
- 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 3052 -ip 30521⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3780 -ip 37801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3052-2-0x0000000002070000-0x0000000002083000-memory.dmp
memory/3052-1-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/3052-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3052-9-0x0000000002070000-0x0000000002083000-memory.dmp
memory/3052-8-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3780-11-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3780-17-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3780-10-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/4156-18-0x00000000004C0000-0x00000000004D5000-memory.dmp
memory/4156-16-0x00000000004C0000-0x00000000004D5000-memory.dmp
memory/4156-12-0x00000000004C0000-0x00000000004D5000-memory.dmp
memory/4156-19-0x00000000004C0000-0x00000000004D5000-memory.dmp