Analysis Overview
SHA256
36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1
Threat Level: Known bad
The file 36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1 was found to be: Known bad.
Malicious Activity Summary
Blihanstealer family
BlihanStealer
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
2025-02-26 21:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-26 21:54
Reported
2025-02-26 21:56
Platform
win7-20240903-en
Max time kernel
149s
Max time network
121s
Command Line
Signatures
BlihanStealer
Blihanstealer family
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.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\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2420 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
| PID 2420 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
| PID 2420 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
| PID 2420 wrote to memory of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe
"C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2420-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 57e6ae50de2397fbee92983d328d1551 |
| SHA1 | a6139e0099f6d5552ed123ba74d3fad17d47b245 |
| SHA256 | e8d79d978ae011eed968146a7c004d58c3a6020c75a66cc6416b25baacffb5af |
| SHA512 | dab6a2b2bd264246069d2fb48fcb5e5f5dfb5fd7ab6c623d2e575a7de4e0151cff1285f71ec260d5e1695ec62de10f274fe2a6830911992d8dd89f2631cd7995 |
memory/1916-8-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1916-10-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-26 21:54
Reported
2025-02-26 21:56
Platform
win10v2004-20250217-en
Max time kernel
149s
Max time network
144s
Command Line
Signatures
BlihanStealer
Blihanstealer family
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-1-5-21-1479699283-3000499823-2337359760-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.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\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.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 932 wrote to memory of 5048 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
| PID 932 wrote to memory of 5048 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
| PID 932 wrote to memory of 5048 | N/A | C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe
"C:\Users\Admin\AppData\Local\Temp\36a0e7e114d41c3098f51dd316cdbd4de021e15af81964789b0cb2f9f7ce9ca1.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/932-0-0x0000000000400000-0x000000000040E000-memory.dmp
memory/932-5-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 57e6ae50de2397fbee92983d328d1551 |
| SHA1 | a6139e0099f6d5552ed123ba74d3fad17d47b245 |
| SHA256 | e8d79d978ae011eed968146a7c004d58c3a6020c75a66cc6416b25baacffb5af |
| SHA512 | dab6a2b2bd264246069d2fb48fcb5e5f5dfb5fd7ab6c623d2e575a7de4e0151cff1285f71ec260d5e1695ec62de10f274fe2a6830911992d8dd89f2631cd7995 |
memory/5048-7-0x0000000000400000-0x000000000040E000-memory.dmp