Analysis Overview
SHA256
22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8
Threat Level: Known bad
The file 22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8 was found to be: Known bad.
Malicious Activity Summary
Runningrat family
RunningRat payload
RunningRat
Executes dropped EXE
Sets DLL path for service in the registry
Loads dropped DLL
Drops file in System32 directory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-19 02:40
Signatures
RunningRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Runningrat family
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-19 02:40
Reported
2022-11-19 02:43
Platform
win10v2004-20220812-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
RunningRat
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\AxInstSVS\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240550828.dll" | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\AxInstSVS.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\AxInstSVS.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2252 wrote to memory of 1432 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
| PID 2252 wrote to memory of 1432 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
| PID 2252 wrote to memory of 1432 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe
"C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "AxInstSVS"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "AxInstSVS"
C:\Windows\SysWOW64\AxInstSVS.exe
C:\Windows\system32\AxInstSVS.exe "c:\users\admin\appdata\local\temp\240550828.dll",MainThread
Network
| Country | Destination | Domain | Proto |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 20.123.141.233:443 | tcp | |
| N/A | 8.8.8.8:53 | ip.cn | udp |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 93.184.221.240:80 | tcp | |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 20.52.64.200:443 | tcp | |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 8.8.8.8:53 | ip.cn | udp |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 172.64.195.30:80 | ip.cn | tcp |
| N/A | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\240550828.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
\??\c:\users\admin\appdata\local\temp\240550828.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
C:\Users\Admin\AppData\Local\Temp\240550828.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
C:\Windows\SysWOW64\AxInstSVS.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
memory/1432-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\240550828.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
C:\Windows\SysWOW64\AxInstSVS.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-19 02:40
Reported
2022-11-19 02:43
Platform
win7-20221111-en
Max time kernel
145s
Max time network
168s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\AxInstSVS\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7099371.dll" | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\AxInstSVS.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\AxInstSVS.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\AxInstSVS.exe | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2008 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
| PID 2008 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
| PID 2008 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
| PID 2008 wrote to memory of 1784 | N/A | C:\Windows\SysWOW64\svchost.exe | C:\Windows\SysWOW64\AxInstSVS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe
"C:\Users\Admin\AppData\Local\Temp\22b7f81d57e0b35a909e158d1342bff6afd00aeb19a51f5c486583d7047768d8.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "AxInstSVS"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "AxInstSVS"
C:\Windows\SysWOW64\AxInstSVS.exe
C:\Windows\system32\AxInstSVS.exe "c:\users\admin\appdata\local\temp\7099371.dll",MainThread
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | ip.cn | udp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp | |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 172.64.194.30:80 | ip.cn | tcp |
| N/A | 220.163.108.210:9091 | tcp |
Files
memory/1092-54-0x0000000075B11000-0x0000000075B13000-memory.dmp
\Users\Admin\AppData\Local\Temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
\??\c:\users\admin\appdata\local\temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
\Users\Admin\AppData\Local\Temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
\Windows\SysWOW64\AxInstSVS.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
C:\Windows\SysWOW64\AxInstSVS.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
memory/1784-59-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
\Users\Admin\AppData\Local\Temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
\Users\Admin\AppData\Local\Temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |
C:\Windows\SysWOW64\AxInstSVS.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
\Users\Admin\AppData\Local\Temp\7099371.dll
| MD5 | 4f20adf798f7b1e0dce5870dbafea689 |
| SHA1 | 49f7bd54b99daa7f0b9a9427c8ec0e93feb11b72 |
| SHA256 | 51dc0a55e0f705d53e83dd1aa678f8db874bc02bc30d3f386858d1a3a147d8d2 |
| SHA512 | 0169846feadf444353e5f90f614c6ba238b0a9475bfb96d53080252c73084096d6213ad9505307a7a5960cee9a96d4edf8ca017667fdc21953f10285240bd55a |