Analysis
- max time kernel
1s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
07/01/2024, 19:35
General
- Target a8764fb08cd0f24d2d67e23b7de1072c.exe
- Size 11.8MB
- Sample240107-yawehsdeh9
- SHA256 6cf0e15e2593f893b9b5a96ddf85256d330841fde6cd60255a71372ba65529aa
Malware Config
Extracted
-
tofsee
-
defeatwax.ru
-
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
-
C:\Users\Admin\AppData\Local\Temp\a8764fb08cd0f24d2d67e23b7de1072c.exe"C:\Users\Admin\AppData\Local\Temp\a8764fb08cd0f24d2d67e23b7de1072c.exe"1⤵
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qgosrtsk\2⤵
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\btyyfxrv.exe" C:\Windows\SysWOW64\qgosrtsk\2⤵
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create qgosrtsk binPath= "C:\Windows\SysWOW64\qgosrtsk\btyyfxrv.exe /d\"C:\Users\Admin\AppData\Local\Temp\a8764fb08cd0f24d2d67e23b7de1072c.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description qgosrtsk "wifi internet conection"2⤵
- Launches sc.exe
-
-
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start qgosrtsk2⤵
- Launches sc.exe
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4264 -s 12362⤵
- Program crash
-
-
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
-
-
C:\Windows\SysWOW64\qgosrtsk\btyyfxrv.exeC:\Windows\SysWOW64\qgosrtsk\btyyfxrv.exe /d"C:\Users\Admin\AppData\Local\Temp\a8764fb08cd0f24d2d67e23b7de1072c.exe"1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 5282⤵
- Program crash
-
-
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4264 -ip 42641⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 23761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2376-10-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/2376-18-0x0000000000400000-0x0000000000468000-memory.dmp
memory/2376-12-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4264-2-0x0000000000540000-0x0000000000553000-memory.dmp
memory/4264-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4264-1-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/4264-8-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4264-9-0x0000000000540000-0x0000000000553000-memory.dmp
memory/5076-16-0x0000000000FE0000-0x0000000000FF5000-memory.dmp
memory/5076-17-0x0000000000FE0000-0x0000000000FF5000-memory.dmp
memory/5076-11-0x0000000000FE0000-0x0000000000FF5000-memory.dmp
memory/5076-19-0x0000000000FE0000-0x0000000000FF5000-memory.dmp