Analysis Overview
SHA256
06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f
Threat Level: Shows suspicious behavior
The file 06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f 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
2024-04-07 18:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:18
Reported
2024-04-07 18:21
Platform
win7-20240215-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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | N/A |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2356 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
| PID 2356 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
| PID 2356 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
| PID 2356 wrote to memory of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe
"C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2356-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2356-6-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | a46b4792b18551b4e1314d7baae2daf0 |
| SHA1 | 78ccb067b4e2d3004f81f4086f324caee54fe07d |
| SHA256 | 16a6af0747f571d83b643f4794e624dcec3bfe8d134333e9e9201eaa5e350fee |
| SHA512 | 109692607f4594826647cbddfa8059a36320fc5051127ded8a357c6ec8ce8e511109cacb0a538ba28558aa23245526d7a0e699de266a3484d15ca5a1d57ed25c |
memory/2356-8-0x00000000002A0000-0x00000000002B0000-memory.dmp
memory/2740-9-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2740-11-0x0000000000400000-0x0000000000410000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:18
Reported
2024-04-07 18:21
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
153s
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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\HidePlugin.dll | C:\Windows\microsofthelp.exe | N/A |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4688 wrote to memory of 1084 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
| PID 4688 wrote to memory of 1084 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
| PID 4688 wrote to memory of 1084 | N/A | C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.exe
"C:\Users\Admin\AppData\Local\Temp\06a91e8e1ac6486de2e39456f2d4162af7ecb982d6edd812cd5c8f0fc4385f4f.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 | 203.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.109.69.13.in-addr.arpa | udp |
Files
memory/4688-0-0x0000000000400000-0x0000000000410000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | a46b4792b18551b4e1314d7baae2daf0 |
| SHA1 | 78ccb067b4e2d3004f81f4086f324caee54fe07d |
| SHA256 | 16a6af0747f571d83b643f4794e624dcec3bfe8d134333e9e9201eaa5e350fee |
| SHA512 | 109692607f4594826647cbddfa8059a36320fc5051127ded8a357c6ec8ce8e511109cacb0a538ba28558aa23245526d7a0e699de266a3484d15ca5a1d57ed25c |
memory/4688-4-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1084-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1084-7-0x0000000000400000-0x0000000000410000-memory.dmp