Analysis Overview
SHA256
38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad
Threat Level: Shows suspicious behavior
The file 38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 21:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 21:18
Reported
2024-11-09 21:20
Platform
win7-20240903-en
Max time kernel
149s
Max time network
123s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
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\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2996 wrote to memory of 2488 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
| PID 2996 wrote to memory of 2488 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
| PID 2996 wrote to memory of 2488 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
| PID 2996 wrote to memory of 2488 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe
"C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2996-0-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | ce5e5602fb1090521de9231db10b2fca |
| SHA1 | cf9add26af19bafddef73fda508bb64d97e50f93 |
| SHA256 | fb88c3ff96ae4aba992132e92eecc970ed6d91669c36be01cf581b4ae8bc9249 |
| SHA512 | 4a6671776426182a1ebfc484b40348651095a9662f26b9901821f28bc53e6f66c9a4f43c2331871f9f384dd9754069792ce01df5c7cd78244825bf73578b203e |
memory/2996-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2488-9-0x0000000000400000-0x0000000000410000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 21:18
Reported
2024-11-09 21:20
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
137s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\microsofthelp.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
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\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\microsofthelp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4760 wrote to memory of 1136 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
| PID 4760 wrote to memory of 1136 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
| PID 4760 wrote to memory of 1136 | N/A | C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe
"C:\Users\Admin\AppData\Local\Temp\38bba5c6e71758181882cda76ee9b0e9c8ad92f5dbe7fcaf01bbb9ddb573f0ad.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4760-0-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | ce5e5602fb1090521de9231db10b2fca |
| SHA1 | cf9add26af19bafddef73fda508bb64d97e50f93 |
| SHA256 | fb88c3ff96ae4aba992132e92eecc970ed6d91669c36be01cf581b4ae8bc9249 |
| SHA512 | 4a6671776426182a1ebfc484b40348651095a9662f26b9901821f28bc53e6f66c9a4f43c2331871f9f384dd9754069792ce01df5c7cd78244825bf73578b203e |
memory/4760-4-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1136-6-0x0000000000400000-0x0000000000410000-memory.dmp