Analysis Overview
SHA256
dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990f
Threat Level: Shows suspicious behavior
The file dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN 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
2024-11-10 01:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 01:36
Reported
2024-11-10 01:38
Platform
win7-20240729-en
Max time kernel
119s
Max time network
17s
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.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\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2336 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
| PID 2336 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
| PID 2336 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
| PID 2336 wrote to memory of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe
"C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2336-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/2336-6-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 495d22365b8dacbab48789ce76c5ff97 |
| SHA1 | 7a2241c9d0e59c08a92664dec28b7ceae72b004e |
| SHA256 | fec157317aca20b911bdb219f9fc1accf511c81e68b664541b39e1af9be3a1ed |
| SHA512 | 8b05d1e9c888abe94a67255f15c50895460d4203409df6f3e708553f6b77a2c098f674d66e12289b40cb83d7c2b19c2017357e6be671a9a21baaf52cb472d0ee |
memory/2880-9-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 01:36
Reported
2024-11-10 01:38
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
96s
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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.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\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.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 2308 wrote to memory of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
| PID 2308 wrote to memory of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
| PID 2308 wrote to memory of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe
"C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.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 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/2308-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 495d22365b8dacbab48789ce76c5ff97 |
| SHA1 | 7a2241c9d0e59c08a92664dec28b7ceae72b004e |
| SHA256 | fec157317aca20b911bdb219f9fc1accf511c81e68b664541b39e1af9be3a1ed |
| SHA512 | 8b05d1e9c888abe94a67255f15c50895460d4203409df6f3e708553f6b77a2c098f674d66e12289b40cb83d7c2b19c2017357e6be671a9a21baaf52cb472d0ee |
memory/2308-4-0x0000000000400000-0x0000000000403000-memory.dmp
memory/392-6-0x0000000000400000-0x0000000000403000-memory.dmp