Analysis Overview
SHA256
0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9
Threat Level: Known bad
The file 0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9 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 19:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-26 19:53
Reported
2025-02-26 19:55
Platform
win7-20241010-en
Max time kernel
149s
Max time network
118s
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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.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\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2112 wrote to memory of 308 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
| PID 2112 wrote to memory of 308 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
| PID 2112 wrote to memory of 308 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
| PID 2112 wrote to memory of 308 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe
"C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
Files
memory/2112-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 436bfbfe1a2708fb0abf26263f1332d6 |
| SHA1 | 055bb78ef7843b0e5efd498a99b59f4c67a0899d |
| SHA256 | e150877ae571e812b77c92e0f3392c6aefce7999dc8e341f4f0370a0eb5c7ebb |
| SHA512 | 6feaa6fe61c2063ea80d02da0cb91f5fb41096aeb60fc135c61d0457a23ce331a91483e6fbc23278e5e085a19cd21317e5f17ce202925f5c7eb79d2273a79cf7 |
memory/2112-7-0x0000000000400000-0x000000000040E000-memory.dmp
memory/308-10-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-02-26 19:53
Reported
2025-02-26 19:55
Platform
win10v2004-20250217-en
Max time kernel
149s
Max time network
145s
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-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\microsofthelp.exe | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.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\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.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 6000 wrote to memory of 4556 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
| PID 6000 wrote to memory of 4556 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
| PID 6000 wrote to memory of 4556 | N/A | C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe | C:\Windows\microsofthelp.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe
"C:\Users\Admin\AppData\Local\Temp\0e263cac087ede69b12ce9fa085670697e07df2fc3e5f162e83937d3685630b9.exe"
C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
Files
memory/6000-0-0x0000000000400000-0x000000000040E000-memory.dmp
C:\Windows\microsofthelp.exe
| MD5 | 436bfbfe1a2708fb0abf26263f1332d6 |
| SHA1 | 055bb78ef7843b0e5efd498a99b59f4c67a0899d |
| SHA256 | e150877ae571e812b77c92e0f3392c6aefce7999dc8e341f4f0370a0eb5c7ebb |
| SHA512 | 6feaa6fe61c2063ea80d02da0cb91f5fb41096aeb60fc135c61d0457a23ce331a91483e6fbc23278e5e085a19cd21317e5f17ce202925f5c7eb79d2273a79cf7 |
memory/6000-5-0x0000000000400000-0x000000000040E000-memory.dmp
memory/4556-7-0x0000000000400000-0x000000000040E000-memory.dmp