Analysis Overview
SHA256
f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9
Threat Level: Shows suspicious behavior
The file f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Deletes itself
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
2024-06-03 05:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-03 05:29
Reported
2024-06-03 05:32
Platform
win7-20240215-en
Max time kernel
149s
Max time network
118s
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\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2204 wrote to memory of 2212 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
| PID 2204 wrote to memory of 2212 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
| PID 2204 wrote to memory of 2212 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
| PID 2204 wrote to memory of 2212 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe
"C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2204-0-0x0000000000400000-0x0000000000403000-memory.dmp
memory/2204-5-0x0000000000220000-0x0000000000223000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | f3a51a8801d219d5f0e91dfb7f11994c |
| SHA1 | 2d278a6a3b8e293da6c680bf761da32734f0d4d9 |
| SHA256 | 1b5fd41068fe0d7266e66259949c7ff0476f1fd0e612cf4bc9cf62df5167796e |
| SHA512 | 50619c41c0a3294779f0c5c1213462217320b50e3774dc6d0ae6d9d253bc00fd80cb0661d6ecb19b33bf4acd859647485e2e266bdf7c862be402e5db5a40493b |
memory/2212-8-0x0000000000400000-0x0000000000403000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-03 05:29
Reported
2024-06-03 05:32
Platform
win10v2004-20240426-en
Max time kernel
149s
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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4228 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
| PID 4228 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
| PID 4228 wrote to memory of 2644 | N/A | C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe
"C:\Users\Admin\AppData\Local\Temp\f34f07f5af4c70cae46133a231ea629408c20de0ecc84aadd3b9c3bf0eab52b9.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/4228-0-0x0000000000400000-0x0000000000403000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | f3a51a8801d219d5f0e91dfb7f11994c |
| SHA1 | 2d278a6a3b8e293da6c680bf761da32734f0d4d9 |
| SHA256 | 1b5fd41068fe0d7266e66259949c7ff0476f1fd0e612cf4bc9cf62df5167796e |
| SHA512 | 50619c41c0a3294779f0c5c1213462217320b50e3774dc6d0ae6d9d253bc00fd80cb0661d6ecb19b33bf4acd859647485e2e266bdf7c862be402e5db5a40493b |
memory/2644-5-0x0000000000400000-0x0000000000403000-memory.dmp