Analysis Overview
SHA256
46a534c55f60d8e902a84484a2c0d4bb750d0eb926ebab10117160c1f1aa0081
Threat Level: Known bad
The file MalwareBazaar.10 was found to be: Known bad.
Malicious Activity Summary
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-23 08:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-23 08:15
Reported
2024-07-23 08:17
Platform
win7-20240704-en
Max time kernel
147s
Max time network
148s
Command Line
Signatures
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 836 set thread context of 2700 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.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\ilasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
C:\Windows\System32\calc.exe
"C:\Windows\System32\calc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.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/836-0-0x000007FEF5993000-0x000007FEF5994000-memory.dmp
memory/836-1-0x0000000000070000-0x000000000007A000-memory.dmp
memory/836-2-0x000000001AD10000-0x000000001ADE2000-memory.dmp
memory/836-3-0x000007FEF5990000-0x000007FEF637C000-memory.dmp
memory/2528-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2528-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/836-72-0x000007FEF5990000-0x000007FEF637C000-memory.dmp
memory/2700-71-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-23 08:15
Reported
2024-07-23 08:18
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4480 set thread context of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.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\Quotation.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.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\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 752 -ip 752
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 20
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.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 |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/4480-0-0x000002D00FFD0000-0x000002D00FFDA000-memory.dmp
memory/4480-1-0x00007FF9D8383000-0x00007FF9D8385000-memory.dmp
memory/4480-2-0x000002D011CD0000-0x000002D011DA2000-memory.dmp
memory/4480-3-0x00007FF9D8380000-0x00007FF9D8E41000-memory.dmp
memory/4480-4-0x000002D02A470000-0x000002D02A542000-memory.dmp
memory/752-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4480-6-0x00007FF9D8380000-0x00007FF9D8E41000-memory.dmp