Analysis Overview
SHA256
8e74e39d47f93876716dd58b3aa2d0e009a67354b5eb09a12bdd65ac9a319ba7
Threat Level: Known bad
The file 4.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
UPX packed file
AutoIT Executable
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-05-09 14:01
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-09 14:01
Reported
2024-05-09 14:04
Platform
win7-20240221-en
Max time kernel
148s
Max time network
147s
Command Line
Signatures
Remcos
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2856 set thread context of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2856 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2856 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2856 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2856 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2856 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | softwareupdatexkwre.duckdns.org | udp |
| US | 104.223.119.206:45682 | softwareupdatexkwre.duckdns.org | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2856-0-0x0000000000160000-0x0000000000323000-memory.dmp
memory/2856-11-0x00000000000B0000-0x00000000000B4000-memory.dmp
memory/2340-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2856-15-0x0000000000160000-0x0000000000323000-memory.dmp
memory/2340-16-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-17-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-18-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-19-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-27-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-29-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-31-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-32-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2340-33-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-09 14:01
Reported
2024-05-09 14:04
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1608 wrote to memory of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1608 wrote to memory of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 1608 wrote to memory of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\4.exe | C:\Windows\SysWOW64\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1608 -ip 1608
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 708
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| BE | 2.17.196.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| BE | 2.17.196.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 75.196.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
Files
memory/1608-0-0x0000000000A40000-0x0000000000C03000-memory.dmp
memory/1608-11-0x0000000001A60000-0x0000000001A64000-memory.dmp
memory/1608-13-0x0000000000A40000-0x0000000000C03000-memory.dmp