Analysis Overview
SHA256
06b9b10a15c0b2856620dd4469c8a976bfbc42e506747a04a763dbeeaf1ecb79
Threat Level: Known bad
The file clientfmUx.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-06 16:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-06 16:41
Reported
2023-12-06 16:47
Platform
win7-20231201-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe
"C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe"
Network
Files
memory/2076-0-0x0000000000400000-0x0000000000488000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-06 16:41
Reported
2023-12-06 16:47
Platform
win10v2004-20231130-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3284 set thread context of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | C:\Windows\SysWOW64\cmd.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3284 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3284 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3284 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3284 wrote to memory of 4208 | N/A | C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4208 wrote to memory of 2452 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4208 wrote to memory of 2452 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4208 wrote to memory of 2452 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\explorer.exe |
| PID 4208 wrote to memory of 2452 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\explorer.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe
"C:\Users\Admin\AppData\Local\Temp\clientfmUx.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | i.imgur.com | udp |
| GB | 151.101.60.193:443 | i.imgur.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 193.60.101.151.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | retghrtgwtrgtg.bounceme.net | udp |
| RU | 91.215.85.63:3839 | retghrtgwtrgtg.bounceme.net | tcp |
| US | 8.8.8.8:53 | 63.85.215.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 47.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.113.50.184.in-addr.arpa | udp |
Files
memory/3284-0-0x0000000000400000-0x0000000000488000-memory.dmp
memory/3284-1-0x00000000740D0000-0x000000007424B000-memory.dmp
memory/3284-2-0x00007FFFD5690000-0x00007FFFD5885000-memory.dmp
memory/3284-3-0x00000000740D0000-0x000000007424B000-memory.dmp
memory/3284-4-0x00000000740D0000-0x000000007424B000-memory.dmp
memory/4208-6-0x00000000740D0000-0x000000007424B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\9593495e
| MD5 | 68b28f198fd237612c4bec43eb1cf994 |
| SHA1 | 1d77229ec0651946d2937aa5b368877fca56575b |
| SHA256 | 636b6296acd0ca016c81a1e25e75244335fda2755a0b986bbdce918d69a6e3a9 |
| SHA512 | a45a73c44a62964128e25a4c91cd018baf61d65b192f868f4030782fe5de1549859fab1cb0a5371b41578c3788384430cee264c4fcefcb8b923d3eeccc9d0f5f |
memory/4208-8-0x00007FFFD5690000-0x00007FFFD5885000-memory.dmp
memory/4208-10-0x00000000740D0000-0x000000007424B000-memory.dmp
memory/4208-11-0x00000000740D0000-0x000000007424B000-memory.dmp
memory/4208-13-0x00000000740D0000-0x000000007424B000-memory.dmp
memory/2452-14-0x00007FFFD5690000-0x00007FFFD5885000-memory.dmp
memory/2452-15-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-18-0x00000000003E0000-0x0000000000813000-memory.dmp
memory/2452-19-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-20-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-21-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-22-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-23-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-24-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-25-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-26-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-27-0x0000000000C00000-0x0000000000C84000-memory.dmp
memory/2452-28-0x0000000000C00000-0x0000000000C84000-memory.dmp