Analysis Overview
SHA256
7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65
Threat Level: Shows suspicious behavior
The file 7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65 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
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 22:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 22:27
Reported
2024-04-06 22:29
Platform
win7-20240221-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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2240 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
| PID 2240 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
| PID 2240 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
| PID 2240 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe
"C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2240-0-0x0000000000400000-0x000000000040D000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 6113cb3ce6ad794324917344fa0dad72 |
| SHA1 | 6c959680525ed93ee87ed691102b052aadfed0ce |
| SHA256 | f8f23ef9fb22cc1432ab87ae9a1f16067341c7fa5f9626a4b9aed649d7eb278b |
| SHA512 | fee26b9ad862ec77b1544c5a0e7d48d9b737706a93d615a01db16d93ab69cdb46e6cea127813c520dfb69841cf3d56999cedbd63e3acee0da094df0558c90a76 |
memory/2240-3-0x00000000001B0000-0x00000000001BD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 22:27
Reported
2024-04-06 22:29
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
122s
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4960 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
| PID 4960 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
| PID 4960 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe
"C:\Users\Admin\AppData\Local\Temp\7732e1955b57bfc31b238fd898e16484af3f9764182c5d2120999ae6c9d40c65.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
Files
memory/4960-0-0x0000000000400000-0x000000000040D000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 6113cb3ce6ad794324917344fa0dad72 |
| SHA1 | 6c959680525ed93ee87ed691102b052aadfed0ce |
| SHA256 | f8f23ef9fb22cc1432ab87ae9a1f16067341c7fa5f9626a4b9aed649d7eb278b |
| SHA512 | fee26b9ad862ec77b1544c5a0e7d48d9b737706a93d615a01db16d93ab69cdb46e6cea127813c520dfb69841cf3d56999cedbd63e3acee0da094df0558c90a76 |
memory/4960-4-0x0000000000400000-0x000000000040D000-memory.dmp