Analysis Overview
SHA256
6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a
Threat Level: Shows suspicious behavior
The file 6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a 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 22:00
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 22:00
Reported
2024-04-06 22:03
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\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3036 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
| PID 3036 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
| PID 3036 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe
"C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
Files
memory/3036-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | f585e34f11905ad01370252cb898b678 |
| SHA1 | 9a07e829b87fce61c77fb8e97fb89117c88c5deb |
| SHA256 | d1d4959b352ea4b3bc8a87c6384acf7a106db0ef7e98134762c1be15139c7be4 |
| SHA512 | 96441259372aa4924dc8ba68f7309c2a253f1f296ba99b3eea008ecbbfff25b1d35bccd101c14f6f519cc76e75e41032893bc06f6e3bba2cf5a6d6c3f7311c34 |
memory/3036-4-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 22:00
Reported
2024-04-06 22:03
Platform
win7-20240221-en
Max time kernel
149s
Max time network
124s
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1692 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
| PID 1692 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
| PID 1692 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
| PID 1692 wrote to memory of 2172 | N/A | C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe
"C:\Users\Admin\AppData\Local\Temp\6b6a527de18a8a4c945564efad311521a9f868ae3d16cb9ff86151d17550c02a.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/1692-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | f585e34f11905ad01370252cb898b678 |
| SHA1 | 9a07e829b87fce61c77fb8e97fb89117c88c5deb |
| SHA256 | d1d4959b352ea4b3bc8a87c6384acf7a106db0ef7e98134762c1be15139c7be4 |
| SHA512 | 96441259372aa4924dc8ba68f7309c2a253f1f296ba99b3eea008ecbbfff25b1d35bccd101c14f6f519cc76e75e41032893bc06f6e3bba2cf5a6d6c3f7311c34 |
memory/1692-3-0x00000000001B0000-0x00000000001B3000-memory.dmp
memory/2172-8-0x0000000000400000-0x0000000000403000-memory.dmp