Analysis Overview
SHA256
f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364ed
Threat Level: Shows suspicious behavior
The file f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN 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
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 20:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 20:29
Reported
2024-11-09 20:31
Platform
win7-20241010-en
Max time kernel
120s
Max time network
19s
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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.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\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2280 wrote to memory of 1552 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
| PID 2280 wrote to memory of 1552 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
| PID 2280 wrote to memory of 1552 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
| PID 2280 wrote to memory of 1552 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe
"C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2280-0-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2280-6-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 3c5787b7c8139b6b521d2e62c8203f86 |
| SHA1 | 4edd07ffd2b3bfa4363bd66ee3302be5d5a895cd |
| SHA256 | 59c093a1e65ca86d9140235164776579ee0af2845bd57af16fc4eb470691418b |
| SHA512 | fd8e5bd5fdf2b9a3508dcc678405fb80bbf05fce5e7bb7ec51a77bb40625b34524b1c5f8368780458a229168e074cd098df755ec94077cd5724673fc062c263a |
memory/1552-9-0x0000000000400000-0x000000000040F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-09 20:29
Reported
2024-11-09 20:32
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
100s
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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.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\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.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 4432 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
| PID 4432 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
| PID 4432 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe
"C:\Users\Admin\AppData\Local\Temp\f6e138ede9c3fad6e421bc029463a540fd574f22c8149cf8603dbd7c5d8364edN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.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 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
Files
memory/4432-0-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 3c5787b7c8139b6b521d2e62c8203f86 |
| SHA1 | 4edd07ffd2b3bfa4363bd66ee3302be5d5a895cd |
| SHA256 | 59c093a1e65ca86d9140235164776579ee0af2845bd57af16fc4eb470691418b |
| SHA512 | fd8e5bd5fdf2b9a3508dcc678405fb80bbf05fce5e7bb7ec51a77bb40625b34524b1c5f8368780458a229168e074cd098df755ec94077cd5724673fc062c263a |
memory/4432-5-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2880-6-0x0000000000400000-0x000000000040F000-memory.dmp