Analysis Overview
SHA256
ca1cfa6d6fbad23c5096a460c845a4426eda5895b24db04b562253d29332e866
Threat Level: Known bad
The file 6c579929873c53c8aeac1eec5fd9cd43 was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Modifies Windows Firewall
Drops startup file
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-21 04:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-21 04:23
Reported
2024-01-21 04:26
Platform
win7-20231215-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c544fdd3a27573c904e8127ab07c610e.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c544fdd3a27573c904e8127ab07c610e.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\c544fdd3a27573c904e8127ab07c610e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winhelper.exe\" .." | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c544fdd3a27573c904e8127ab07c610e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winhelper.exe\" .." | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1152 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe |
| PID 1152 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe |
| PID 1152 wrote to memory of 2808 | N/A | C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe |
| PID 2808 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | C:\Windows\system32\netsh.exe |
| PID 2808 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | C:\Windows\system32\netsh.exe |
| PID 2808 wrote to memory of 2596 | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | C:\Windows\system32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe
"C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe"
C:\Users\Admin\AppData\Local\Temp\winhelper.exe
"C:\Users\Admin\AppData\Local\Temp\winhelper.exe"
C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\winhelper.exe" "winhelper.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
Files
memory/1152-0-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/1152-1-0x0000000000AD0000-0x0000000000B50000-memory.dmp
memory/1152-2-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/1152-3-0x0000000000A90000-0x0000000000A9C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\winhelper.exe
| MD5 | 6c579929873c53c8aeac1eec5fd9cd43 |
| SHA1 | dd1bb4131e623621167f7787e502901b3dc290e7 |
| SHA256 | ca1cfa6d6fbad23c5096a460c845a4426eda5895b24db04b562253d29332e866 |
| SHA512 | 7f9707963f6a27fb13329f705664749bf68905d5d12dbb2c546d425520c65a41cd1e82f894ff3c805c46b97de01126e2cd12b452ee9beffa232ec32e540bba28 |
memory/1152-10-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/2808-11-0x00000000005A0000-0x0000000000620000-memory.dmp
memory/2808-9-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/2808-12-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/2808-13-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/2808-15-0x00000000005A0000-0x0000000000620000-memory.dmp
memory/2808-16-0x000007FEF5FB0000-0x000007FEF694D000-memory.dmp
memory/2808-17-0x00000000005A0000-0x0000000000620000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-21 04:23
Reported
2024-01-21 04:25
Platform
win10v2004-20231222-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c544fdd3a27573c904e8127ab07c610e.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c544fdd3a27573c904e8127ab07c610e.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c544fdd3a27573c904e8127ab07c610e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winhelper.exe\" .." | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c544fdd3a27573c904e8127ab07c610e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winhelper.exe\" .." | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4884 wrote to memory of 3764 | N/A | C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe |
| PID 4884 wrote to memory of 3764 | N/A | C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe | C:\Users\Admin\AppData\Local\Temp\winhelper.exe |
| PID 3764 wrote to memory of 1464 | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | C:\Windows\SYSTEM32\netsh.exe |
| PID 3764 wrote to memory of 1464 | N/A | C:\Users\Admin\AppData\Local\Temp\winhelper.exe | C:\Windows\SYSTEM32\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe
"C:\Users\Admin\AppData\Local\Temp\6c579929873c53c8aeac1eec5fd9cd43.exe"
C:\Users\Admin\AppData\Local\Temp\winhelper.exe
"C:\Users\Admin\AppData\Local\Temp\winhelper.exe"
C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\winhelper.exe" "winhelper.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.143.101.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
| US | 8.8.8.8:53 | winfix.ddns.net | udp |
Files
memory/4884-1-0x000000001BB60000-0x000000001C02E000-memory.dmp
memory/4884-0-0x00007FFE7AFC0000-0x00007FFE7B961000-memory.dmp
memory/4884-2-0x00000000010E0000-0x000000000117C000-memory.dmp
memory/4884-3-0x00007FFE7AFC0000-0x00007FFE7B961000-memory.dmp
memory/4884-4-0x00000000010D0000-0x00000000010E0000-memory.dmp
memory/4884-5-0x0000000000EC0000-0x0000000000EC8000-memory.dmp
memory/4884-6-0x0000000001180000-0x000000000118C000-memory.dmp
memory/4884-7-0x000000001D130000-0x000000001D1D6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\winhelper.exe
| MD5 | 6c579929873c53c8aeac1eec5fd9cd43 |
| SHA1 | dd1bb4131e623621167f7787e502901b3dc290e7 |
| SHA256 | ca1cfa6d6fbad23c5096a460c845a4426eda5895b24db04b562253d29332e866 |
| SHA512 | 7f9707963f6a27fb13329f705664749bf68905d5d12dbb2c546d425520c65a41cd1e82f894ff3c805c46b97de01126e2cd12b452ee9beffa232ec32e540bba28 |
memory/4884-20-0x00007FFE7AFC0000-0x00007FFE7B961000-memory.dmp
memory/3764-21-0x00007FFE7AFC0000-0x00007FFE7B961000-memory.dmp
memory/3764-22-0x0000000000A70000-0x0000000000A80000-memory.dmp
memory/3764-23-0x00007FFE7AFC0000-0x00007FFE7B961000-memory.dmp
memory/3764-25-0x0000000000A70000-0x0000000000A80000-memory.dmp
memory/3764-26-0x00007FFE7AFC0000-0x00007FFE7B961000-memory.dmp
memory/3764-27-0x0000000000A70000-0x0000000000A80000-memory.dmp
memory/3764-28-0x0000000000A70000-0x0000000000A80000-memory.dmp