Analysis Overview
SHA256
0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229
Threat Level: Known bad
The file 0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229 was found to be: Known bad.
Malicious Activity Summary
BlihanStealer
Blihanstealer family
Executes dropped EXE
Deletes itself
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-26 19:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-26 19:43
Reported
2025-02-26 19:45
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.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\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2908 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
| PID 2908 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
| PID 2908 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
| PID 2908 wrote to memory of 2152 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe
"C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2908-0-0x0000000000400000-0x000000000040E000-memory.dmp
memory/2908-7-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | af3408dbbd8f87aac5db6316a475db3b |
| SHA1 | 47d8ad9f36d15d6e00f497d888fbca7315123940 |
| SHA256 | a8ff03dcdc714611eabc6af162bd4463883320b86e7bcae042e41aa416252152 |
| SHA512 | b6176ff811dcb15c96ddfac0ed070d56b885c7c627c1b3c4933a32a08b59913b3647668762c5d4c16840e30b54ba77098afc23b8a2630ee815cacd0f840ad587 |
memory/2152-10-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-26 19:43
Reported
2025-02-26 19:45
Platform
win10v2004-20250217-en
Max time kernel
149s
Max time network
151s
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-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.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\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.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 4988 wrote to memory of 428 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
| PID 4988 wrote to memory of 428 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
| PID 4988 wrote to memory of 428 | N/A | C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.exe
"C:\Users\Admin\AppData\Local\Temp\0adde4604c622b584eb50a96c38cf7282ef1be6f4f7fb57e94c5b9614d76c229.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 | 150.171.28.10:443 | 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/4988-0-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4988-5-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | af3408dbbd8f87aac5db6316a475db3b |
| SHA1 | 47d8ad9f36d15d6e00f497d888fbca7315123940 |
| SHA256 | a8ff03dcdc714611eabc6af162bd4463883320b86e7bcae042e41aa416252152 |
| SHA512 | b6176ff811dcb15c96ddfac0ed070d56b885c7c627c1b3c4933a32a08b59913b3647668762c5d4c16840e30b54ba77098afc23b8a2630ee815cacd0f840ad587 |
memory/428-7-0x0000000000400000-0x000000000040E000-memory.dmp