Analysis Overview
SHA256
7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4b
Threat Level: Shows suspicious behavior
The file 7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe 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
2024-11-12 13:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-12 13:54
Reported
2024-11-12 13:56
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\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.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\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1308 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
| PID 1308 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
| PID 1308 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
| PID 1308 wrote to memory of 1964 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe
"C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1308-0-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1964-9-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 2f5b3421d363335b406a1e431bfe16e9 |
| SHA1 | 3612b5dd5cf03c732c067df0919751d8018d9b50 |
| SHA256 | 20bd46037edd2866dfbed16b9a19e49e9b10b6f3d072c2c4001ec9227dc30643 |
| SHA512 | a3b6f080ef3442c5c1e65f39fd2f896490e841f29888823fc6448816fa23426436b6b6e6dfcf5c2d64a5c884cc64e704784af227ee8dd8d522ec019b05d9ba91 |
memory/1308-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1964-11-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-12 13:54
Reported
2024-11-12 13:56
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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.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\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.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 1968 wrote to memory of 3064 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
| PID 1968 wrote to memory of 3064 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
| PID 1968 wrote to memory of 3064 | N/A | C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe
"C:\Users\Admin\AppData\Local\Temp\7131a466d0093572bced554b560ec3c0ca73969e5ba74534d406352b5d871f4bN.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/1968-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 2f5b3421d363335b406a1e431bfe16e9 |
| SHA1 | 3612b5dd5cf03c732c067df0919751d8018d9b50 |
| SHA256 | 20bd46037edd2866dfbed16b9a19e49e9b10b6f3d072c2c4001ec9227dc30643 |
| SHA512 | a3b6f080ef3442c5c1e65f39fd2f896490e841f29888823fc6448816fa23426436b6b6e6dfcf5c2d64a5c884cc64e704784af227ee8dd8d522ec019b05d9ba91 |
memory/1968-4-0x0000000000400000-0x000000000040E000-memory.dmp
memory/3064-6-0x0000000000400000-0x000000000040E000-memory.dmp