Analysis Overview
SHA256
907f2c4cf105e1f8e2021d279aab2ecedd505e75ddb18d34dd8b5fa1e96d987f
Threat Level: Shows suspicious behavior
The file 269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.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
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 12:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 12:49
Reported
2024-11-11 12:52
Platform
win7-20240903-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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.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\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2160 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
| PID 2160 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
| PID 2160 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
| PID 2160 wrote to memory of 1732 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe
"C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2160-0-0x0000000000400000-0x000000000040F000-memory.dmp
memory/2160-3-0x0000000000220000-0x000000000022F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 049fa827743d4a329d44423b327abcc9 |
| SHA1 | e1849aa05012c98068ff774b0b72333a769401bd |
| SHA256 | c06bace61c327b543719ef44649bcb0ac7fa4e8df8e4f185813cd83e691e8d2a |
| SHA512 | 7b4f6fcc81093f8c911178746c19c1543c12ed28373d49f95eda9abbd0a733f90abfb204f6014b827c035f0b56a9f57a81c434b6af3d18551c5aba9c24260d94 |
memory/1732-9-0x0000000000400000-0x000000000040F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 12:49
Reported
2024-11-11 12:52
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.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\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.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 4984 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
| PID 4984 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
| PID 4984 wrote to memory of 1196 | N/A | C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe
"C:\Users\Admin\AppData\Local\Temp\269ada454f40dc262e9b2c5440cc942d33fc7c20106677e184586fdbb5e216a1N.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/4984-0-0x0000000000400000-0x000000000040F000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 049fa827743d4a329d44423b327abcc9 |
| SHA1 | e1849aa05012c98068ff774b0b72333a769401bd |
| SHA256 | c06bace61c327b543719ef44649bcb0ac7fa4e8df8e4f185813cd83e691e8d2a |
| SHA512 | 7b4f6fcc81093f8c911178746c19c1543c12ed28373d49f95eda9abbd0a733f90abfb204f6014b827c035f0b56a9f57a81c434b6af3d18551c5aba9c24260d94 |
memory/4984-5-0x0000000000400000-0x000000000040F000-memory.dmp
memory/1196-6-0x0000000000400000-0x000000000040F000-memory.dmp