Analysis Overview
SHA256
cbe83a6e898ccd5e03c9ff60fb80143af962e7c7edb188f4c2f06de39238c96f
Threat Level: Known bad
The file e0b3f01e85fd6e4c059d1761ef8cc64b.bin was found to be: Known bad.
Malicious Activity Summary
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-11 03:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-11 03:33
Reported
2024-05-11 03:35
Platform
win7-20240220-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1620 set thread context of 2416 | N/A | C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe
"C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
C:\Windows\System32\svchost.exe
"C:\Windows\System32\svchost.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)\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 | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp |
Files
memory/1620-0-0x000007FEF5433000-0x000007FEF5434000-memory.dmp
memory/1620-1-0x0000000000E20000-0x0000000000E60000-memory.dmp
memory/1620-2-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp
memory/1620-3-0x000000001B150000-0x000000001B224000-memory.dmp
memory/2212-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2212-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2416-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1620-37-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-11 03:33
Reported
2024-05-11 03:35
Platform
win10v2004-20240508-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Remcos
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5028 set thread context of 928 | N/A | C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe
"C:\Users\Admin\AppData\Local\Temp\8c0c08ab68b43dc62083f04eaf80e20c553d90b1e225523878c6685764a18e74.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 64.188.18.137:1604 | tcp | |
| US | 64.188.18.137:1604 | tcp |
Files
memory/5028-0-0x000002A181490000-0x000002A1814D0000-memory.dmp
memory/5028-1-0x00007FFFE9CF3000-0x00007FFFE9CF5000-memory.dmp
memory/5028-2-0x000002A19B8E0000-0x000002A19B9B4000-memory.dmp
memory/5028-3-0x00007FFFE9CF0000-0x00007FFFEA7B1000-memory.dmp
memory/928-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5028-10-0x00007FFFE9CF0000-0x00007FFFEA7B1000-memory.dmp
memory/928-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/928-22-0x0000000000400000-0x0000000000482000-memory.dmp