Analysis Overview
SHA256
043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728
Threat Level: Known bad
The file 043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-24 01:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-24 01:02
Reported
2024-07-24 01:05
Platform
win7-20240708-en
Max time kernel
147s
Max time network
144s
Command Line
Signatures
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2276 set thread context of 1664 | N/A | C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe
"C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe"
C:\Windows\System32\svchost.exe
"C:\Windows\System32\svchost.exe"
C:\Windows\System32\calc.exe
"C:\Windows\System32\calc.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:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\System32\notepad.exe
"C:\Windows\System32\notepad.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | vegetachcnc.com | udp |
| US | 107.173.4.18:2556 | vegetachcnc.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2276-0-0x000007FEF5543000-0x000007FEF5544000-memory.dmp
memory/2276-1-0x0000000000F50000-0x0000000000F5A000-memory.dmp
memory/2276-2-0x0000000000E80000-0x0000000000F52000-memory.dmp
memory/2276-3-0x000000001ADA0000-0x000000001AE72000-memory.dmp
memory/2276-4-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp
memory/2544-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2544-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1664-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2276-46-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-24 01:02
Reported
2024-07-24 01:05
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1520 set thread context of 3740 | N/A | C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe
"C:\Users\Admin\AppData\Local\Temp\043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728.exe"
C:\Windows\System32\svchost.exe
"C:\Windows\System32\svchost.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.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 416 -p 3740 -ip 3740
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3740 -s 20
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/1520-0-0x000001DF56070000-0x000001DF5607A000-memory.dmp
memory/1520-1-0x00007FF983703000-0x00007FF983705000-memory.dmp
memory/1520-2-0x000001DF704B0000-0x000001DF70582000-memory.dmp
memory/1520-3-0x00007FF983700000-0x00007FF9841C1000-memory.dmp
memory/3740-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1520-5-0x00007FF983700000-0x00007FF9841C1000-memory.dmp