Analysis Overview
SHA256
a44d77d22771b1964622f6b3a0e94f6c7abf35e578ee931583a288e686b6da3d
Threat Level: Known bad
The file a44d77d22771b1964622f6b3a0e94f6c7abf35e578ee931583a288e686b6da3d was found to be: Known bad.
Malicious Activity Summary
Remcos
Suspicious use of SetThreadContext
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-14 18:40
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-14 18:40
Reported
2024-08-14 18:43
Platform
win7-20240704-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2676 set thread context of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\samples & specifications.exe | C:\Program Files (x86)\Windows Media Player\wmplayer.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Windows Media Player\wmplayer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\samples & specifications.exe
"C:\Users\Admin\AppData\Local\Temp\samples & specifications.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2676 -s 648
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | eadzagba1.duckdns.org | udp |
| US | 198.46.178.133:4877 | eadzagba1.duckdns.org | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2676-0-0x000007FEF5463000-0x000007FEF5464000-memory.dmp
memory/2676-1-0x0000000000C00000-0x0000000000C0A000-memory.dmp
memory/2676-2-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp
memory/2676-3-0x0000000000A70000-0x0000000000B42000-memory.dmp
memory/1916-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1916-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2676-29-0x000007FEF5463000-0x000007FEF5464000-memory.dmp
memory/2676-30-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp
memory/1916-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1916-41-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-14 18:40
Reported
2024-08-14 18:43
Platform
win10v2004-20240802-en
Max time kernel
144s
Max time network
152s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1684 set thread context of 5108 | N/A | C:\Users\Admin\AppData\Local\Temp\samples & specifications.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\samples & specifications.exe
"C:\Users\Admin\AppData\Local\Temp\samples & specifications.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5108 -ip 5108
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 16
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/1684-0-0x000001C6DEC30000-0x000001C6DEC3A000-memory.dmp
memory/1684-1-0x00007FFD835D0000-0x00007FFD83899000-memory.dmp
memory/1684-2-0x00007FFD835D0000-0x00007FFD83899000-memory.dmp
memory/1684-3-0x000001C6F9240000-0x000001C6F9312000-memory.dmp
memory/5108-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1684-5-0x00007FFD835D0000-0x00007FFD83899000-memory.dmp