Analysis Overview
SHA256
31eacd3117d660daf79e221ac449d77b7bb8f216871cc749ade733361b307c04
Threat Level: Shows suspicious behavior
The file 4a58343be43aabd8208f96368dd71d4a was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-08 03:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-08 03:41
Reported
2024-01-08 03:44
Platform
win10v2004-20231215-en
Max time kernel
139s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\cmd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | N/A |
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4380 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4380 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4380 wrote to memory of 1712 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe
"C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
C:\Windows\bugMAKER.bat
| MD5 | 624c0b02fc3786bc1fe11308fa5c4b9d |
| SHA1 | aeeef34030f30a6363b3e6669fb2a78214329fda |
| SHA256 | 9cdd23f204c83a989bd8ff8c3b6db08e1da0d9cd759ca0b69147d03aa8ca634c |
| SHA512 | 724db6ded73c24b015330f1ce44778eaecebac235ac13db4fd99a43c841cfe57b5e4f2839418929def4236c6996e63f91126b0f54b52c4f1dd54be54a2c9379c |
memory/4380-24-0x0000000000400000-0x000000000042D000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-08 03:41
Reported
2024-01-08 03:44
Platform
win7-20231215-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | N/A |
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2960 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2960 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2960 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2960 wrote to memory of 3052 | N/A | C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe
"C:\Users\Admin\AppData\Local\Temp\4a58343be43aabd8208f96368dd71d4a.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\bugMAKER.bat
Network
Files
C:\Windows\bugMAKER.bat
| MD5 | 624c0b02fc3786bc1fe11308fa5c4b9d |
| SHA1 | aeeef34030f30a6363b3e6669fb2a78214329fda |
| SHA256 | 9cdd23f204c83a989bd8ff8c3b6db08e1da0d9cd759ca0b69147d03aa8ca634c |
| SHA512 | 724db6ded73c24b015330f1ce44778eaecebac235ac13db4fd99a43c841cfe57b5e4f2839418929def4236c6996e63f91126b0f54b52c4f1dd54be54a2c9379c |
memory/3052-62-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/2960-67-0x0000000000400000-0x000000000042D000-memory.dmp