Analysis Overview
SHA256
949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963
Threat Level: Known bad
The file 949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N was found to be: Known bad.
Malicious Activity Summary
Detects Renamer worm.
Renamer family
Renamer, Grenam
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-20 11:35
Signatures
Detects Renamer worm.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Renamer family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-20 11:35
Reported
2024-10-20 11:38
Platform
win7-20240903-en
Max time kernel
77s
Max time network
16s
Command Line
Signatures
Detects Renamer worm.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Renamer, Grenam
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2364 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2364 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2364 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2364 wrote to memory of 796 | N/A | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe
"C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 176
Network
Files
memory/2364-0-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2364-1-0x0000000000400000-0x00000000004DB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-20 11:35
Reported
2024-10-20 11:38
Platform
win10v2004-20241007-en
Max time kernel
102s
Max time network
106s
Command Line
Signatures
Detects Renamer worm.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Renamer, Grenam
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe
"C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2924 -ip 2924
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 468
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.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 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/2924-0-0x0000000000400000-0x00000000004DB000-memory.dmp
memory/2924-1-0x0000000000400000-0x00000000004DB000-memory.dmp