Analysis Overview
SHA256
011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684
Threat Level: Shows suspicious behavior
The file 011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N 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 01:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 01:25
Reported
2024-11-10 01:27
Platform
win7-20241023-en
Max time kernel
119s
Max time network
16s
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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.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\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2156 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
| PID 2156 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
| PID 2156 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
| PID 2156 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe
"C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2156-0-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 32bd9e4a531aa4ac0d375c8df18466cd |
| SHA1 | c18ba7f368447a8dfdf482e7e5e2a0ae9e4d9a83 |
| SHA256 | 3bb7fcc695568b7d12a9801827de5bde6657d3a3ac975b39ba7e30ea705ccc7f |
| SHA512 | 01ff235003d1a42daef09365197447ca8dbc8332b247666feed6d7124f5f5a509698d52506f86089c62315907f8af03bc0a6ca6a00ae799fa4e0e2376a08c61a |
memory/2156-6-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2132-9-0x0000000000400000-0x000000000040F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 01:25
Reported
2024-11-10 01:27
Platform
win10v2004-20241007-en
Max time kernel
120s
Max time network
95s
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.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\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.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\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.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 4036 wrote to memory of 824 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
| PID 4036 wrote to memory of 824 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
| PID 4036 wrote to memory of 824 | N/A | C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe
"C:\Users\Admin\AppData\Local\Temp\011315a793f376a490cec382a71da5c83c212db354f777d7a608e846ebdf7684N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 | 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 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/4036-0-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 32bd9e4a531aa4ac0d375c8df18466cd |
| SHA1 | c18ba7f368447a8dfdf482e7e5e2a0ae9e4d9a83 |
| SHA256 | 3bb7fcc695568b7d12a9801827de5bde6657d3a3ac975b39ba7e30ea705ccc7f |
| SHA512 | 01ff235003d1a42daef09365197447ca8dbc8332b247666feed6d7124f5f5a509698d52506f86089c62315907f8af03bc0a6ca6a00ae799fa4e0e2376a08c61a |
memory/4036-4-0x0000000000400000-0x000000000040F000-memory.dmp
memory/824-6-0x0000000000400000-0x000000000040F000-memory.dmp