Analysis Overview
SHA256
3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80
Threat Level: Known bad
The file 3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80 was found to be: Known bad.
Malicious Activity Summary
Loaderbot family
LoaderBot
LoaderBot executable
LoaderBot executable
Drops startup file
Adds Run key to start application
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-30 18:55
Signatures
LoaderBot executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Loaderbot family
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-30 18:55
Reported
2022-06-30 19:29
Platform
win7-20220414-en
Max time kernel
7s
Max time network
47s
Command Line
Signatures
LoaderBot
LoaderBot executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe" | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe
"C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
Network
Files
memory/1656-54-0x00000000013E0000-0x00000000013EA000-memory.dmp
memory/1656-56-0x0000000075781000-0x0000000075783000-memory.dmp
memory/2024-57-0x0000000000000000-mapping.dmp
memory/1100-55-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-30 18:55
Reported
2022-06-30 19:30
Platform
win10v2004-20220414-en
Max time kernel
15s
Max time network
90s
Command Line
Signatures
LoaderBot
LoaderBot executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe" | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2892 wrote to memory of 4568 | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2892 wrote to memory of 4568 | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2892 wrote to memory of 4568 | N/A | C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4568 wrote to memory of 3004 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4568 wrote to memory of 3004 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 4568 wrote to memory of 3004 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe
"C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
C:\Windows\SysWOW64\cmd.exe
"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
Network
| Country | Destination | Domain | Proto |
| US | 67.24.171.254:80 | tcp | |
| US | 67.24.171.254:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 13.69.109.130:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp |
Files
memory/2892-130-0x0000000000060000-0x000000000006A000-memory.dmp
memory/4568-131-0x0000000000000000-mapping.dmp
memory/3004-132-0x0000000000000000-mapping.dmp
memory/2892-133-0x0000000004D80000-0x0000000004DE6000-memory.dmp