Analysis Overview
SHA256
85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f
Threat Level: Known bad
The file 85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f was found to be: Known bad.
Malicious Activity Summary
Remcos
Suspicious use of SetThreadContext
Drops file in Windows directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-10 07:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-10 07:43
Reported
2024-04-10 07:45
Platform
win7-20240221-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2928 set thread context of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Microsoft.NET\Framework\v4.0.30319\logs\logs.dat | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
| File created | C:\Windows\Microsoft.NET\Framework\v4.0.30319\logs\logs.dat | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.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\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe
"C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.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 |
| GB | 142.250.178.4:443 | www.google.com | tcp |
| US | 8.8.8.8:53 | defenderav.con-ip.com | udp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
| CO | 181.235.10.144:33892 | defenderav.con-ip.com | tcp |
Files
memory/2928-1-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/2928-0-0x0000000000C00000-0x0000000000D2A000-memory.dmp
memory/2928-2-0x0000000000B40000-0x0000000000B80000-memory.dmp
memory/2928-3-0x0000000000AF0000-0x0000000000B24000-memory.dmp
memory/2928-4-0x0000000000B20000-0x0000000000B3A000-memory.dmp
memory/2928-5-0x00000000003D0000-0x00000000003D6000-memory.dmp
memory/2644-6-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-8-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-10-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-11-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-12-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-13-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-14-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-15-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2644-18-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2928-21-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/2644-20-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-22-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-23-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-25-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-26-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-27-0x0000000000400000-0x000000000047A000-memory.dmp
C:\Windows\Microsoft.NET\Framework\v4.0.30319\logs\logs.dat
| MD5 | 00969feba289d0b1df02e3cb4706b4a3 |
| SHA1 | 978077e1858262a855f6579b2f8b06b1492b5b2b |
| SHA256 | 63b290c53c1157a572fb5e875084055c99984a4073ee68554f80509fd9d7fa2a |
| SHA512 | 251db0937d6a2edd2405dd980a7802016a6ef6a382230671af99a074403a7a7ce90ed1e675443e247bd0db790b28743289d7e8b829f81ad7ecf3ae6828fd3fc8 |
memory/2644-33-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-34-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-35-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-40-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-41-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-47-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-48-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-53-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-54-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-59-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-61-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-66-0x0000000000400000-0x000000000047A000-memory.dmp
memory/2644-67-0x0000000000400000-0x000000000047A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-10 07:43
Reported
2024-04-10 07:45
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4460 set thread context of 3664 | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.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\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe
"C:\Users\Admin\AppData\Local\Temp\85436adfcf697218c41b0aa04b3dc6b0ef20e6b4d5dc4d630f82b1c75d48644f.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3664 -ip 3664
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 496
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 | www.google.com | udp |
| GB | 142.250.178.4:443 | www.google.com | tcp |
| US | 8.8.8.8:53 | 4.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.178.89.13.in-addr.arpa | udp |
Files
memory/4460-1-0x0000000075120000-0x00000000758D0000-memory.dmp
memory/4460-0-0x0000000000AA0000-0x0000000000BCA000-memory.dmp
memory/4460-2-0x00000000057A0000-0x0000000005D44000-memory.dmp
memory/4460-3-0x00000000050E0000-0x0000000005172000-memory.dmp
memory/4460-4-0x0000000005290000-0x000000000532C000-memory.dmp
memory/4460-5-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/4460-6-0x0000000006640000-0x0000000006674000-memory.dmp
memory/4460-7-0x00000000090E0000-0x00000000090EA000-memory.dmp
memory/4460-8-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/4460-9-0x000000000A0D0000-0x000000000A0EA000-memory.dmp
memory/4460-10-0x0000000007B60000-0x0000000007B66000-memory.dmp
memory/3664-12-0x0000000000350000-0x00000000003CA000-memory.dmp
memory/4460-16-0x0000000075120000-0x00000000758D0000-memory.dmp
memory/3664-19-0x0000000000350000-0x00000000003CA000-memory.dmp
memory/3664-24-0x0000000000350000-0x00000000003CA000-memory.dmp