Analysis Overview
SHA256
6199a5b279106eeee9057da8cf8f8e082431020ed4ae896afda6b1e161ee05c1
Threat Level: Known bad
The file x.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-15 12:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-15 12:57
Reported
2024-02-15 12:59
Platform
win7-20231215-en
Max time kernel
150s
Max time network
131s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1648 set thread context of 2628 | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\x.exe
"C:\Users\Admin\AppData\Local\Temp\x.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.google.com | udp |
| US | 172.245.208.5:2060 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/1648-0-0x00000000002B0000-0x00000000003D6000-memory.dmp
memory/1648-1-0x0000000074D40000-0x000000007542E000-memory.dmp
memory/1648-2-0x0000000004BB0000-0x0000000004BF0000-memory.dmp
memory/1648-3-0x0000000004250000-0x0000000004294000-memory.dmp
memory/1648-4-0x0000000074D40000-0x000000007542E000-memory.dmp
memory/1648-5-0x0000000004BB0000-0x0000000004BF0000-memory.dmp
memory/1648-6-0x0000000000860000-0x000000000087A000-memory.dmp
memory/1648-7-0x0000000000590000-0x0000000000596000-memory.dmp
memory/2628-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2628-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1648-20-0x0000000074D40000-0x000000007542E000-memory.dmp
memory/2628-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-35-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | fa7f103b92c87ba168bb914339278612 |
| SHA1 | fc8d07711a248b05e886c92ce09832bf164b2573 |
| SHA256 | bae853b306917b4c497a94ab0a8818e125063b7cfed70820a34a1686001524e7 |
| SHA512 | 6c29fb52a07bae802a8e5ece944d63e9d809d9a63df52c91f47d74000a4f16200402181738c5ca44110189ecb5cf470d04ea84a62684bb2e70fe26f1996a348f |
memory/2628-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2628-43-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-15 12:57
Reported
2024-02-15 12:59
Platform
win10v2004-20231215-en
Max time kernel
147s
Max time network
131s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4032 set thread context of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\x.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\x.exe
"C:\Users\Admin\AppData\Local\Temp\x.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.google.com | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.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 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.210.218.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 172.245.208.5:2060 | tcp | |
| US | 8.8.8.8:53 | 5.208.245.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/4032-0-0x0000000000220000-0x0000000000346000-memory.dmp
memory/4032-1-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4032-2-0x0000000004D70000-0x0000000004E0C000-memory.dmp
memory/4032-3-0x00000000054F0000-0x0000000005A94000-memory.dmp
memory/4032-4-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/4032-5-0x0000000005380000-0x00000000053C4000-memory.dmp
memory/4032-6-0x0000000005AA0000-0x0000000005B32000-memory.dmp
memory/4032-7-0x0000000005490000-0x000000000549A000-memory.dmp
memory/4032-8-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/4032-9-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4032-10-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/4032-11-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/4032-12-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/4032-13-0x00000000098F0000-0x00000000098F6000-memory.dmp
memory/4160-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4032-17-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4160-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-25-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | d6b1e7c977e14ec8808dae3453bf4c90 |
| SHA1 | cf92a1ff2a16b0440d7d53ccedb4d3da3b6d2643 |
| SHA256 | 522b092a03b6faba861e030d27f3b66b2ad81b119cf97b7551b4acebe312cffd |
| SHA512 | 8a98e3196b75a52b42014d132eda989a8f60a854946147f925e6d41c2dc24a308316e77ccedcad7cf627934b848bd84f21ce730f4358073320b39995b0f6faf5 |
memory/4160-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4160-42-0x0000000000400000-0x0000000000482000-memory.dmp