Analysis Overview
SHA256
491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221
Threat Level: Known bad
The file 491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Drops startup file
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-27 19:26
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-27 19:26
Reported
2024-09-27 19:28
Platform
win7-20240708-en
Max time kernel
149s
Max time network
122s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe\" .." | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe\" .." | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
"C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {4FC0023D-B709-40D2-B84C-C2A915064DBF} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
Files
memory/2976-0-0x000007FEF5AEE000-0x000007FEF5AEF000-memory.dmp
memory/2976-1-0x0000000000480000-0x0000000000492000-memory.dmp
memory/2976-2-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2976-3-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2976-6-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2976-7-0x000007FEF5AEE000-0x000007FEF5AEF000-memory.dmp
memory/2976-8-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | 342696fe21a53e26ed0fe6f07ab44807 |
| SHA1 | fd7d1ed14e6afa230d0f3a572c5b1d17972e3ef5 |
| SHA256 | 491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221 |
| SHA512 | 72abdefa832defa0bf71c15159571fec0456787492c411cf749a78fdb77a6af01121459c4e4f84e57bf5cdeea32dbf22e43cf7705a9082504ca2b091ed133101 |
memory/2712-12-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2712-13-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2712-14-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2712-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2712-16-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2712-17-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2712-18-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
memory/2712-19-0x000007FEF5830000-0x000007FEF61CD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-27 19:26
Reported
2024-09-27 19:28
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe\" .." | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe\" .." | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4844 wrote to memory of 4280 | N/A | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4844 wrote to memory of 4280 | N/A | C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe
"C:\Users\Admin\AppData\Local\Temp\491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221.exe"
C:\Windows\SYSTEM32\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | harris974.ddns.net | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4844-0-0x00007FFE50D75000-0x00007FFE50D76000-memory.dmp
memory/4844-1-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/4844-2-0x000000001B9C0000-0x000000001BE8E000-memory.dmp
memory/4844-3-0x0000000000FD0000-0x0000000000FE2000-memory.dmp
memory/4844-4-0x000000001BE90000-0x000000001BF36000-memory.dmp
memory/4844-5-0x000000001C1E0000-0x000000001C27C000-memory.dmp
memory/4844-6-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/4844-10-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/4844-9-0x00007FFE50D75000-0x00007FFE50D76000-memory.dmp
memory/4844-11-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/4844-12-0x0000000000FE0000-0x0000000000FE8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Server.exe
| MD5 | 342696fe21a53e26ed0fe6f07ab44807 |
| SHA1 | fd7d1ed14e6afa230d0f3a572c5b1d17972e3ef5 |
| SHA256 | 491eec6f62e89b017a00c2dccf51864afd6debf003a5e83d4081499a293d7221 |
| SHA512 | 72abdefa832defa0bf71c15159571fec0456787492c411cf749a78fdb77a6af01121459c4e4f84e57bf5cdeea32dbf22e43cf7705a9082504ca2b091ed133101 |
memory/2420-15-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/2420-16-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/2420-17-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/2420-18-0x0000000001850000-0x0000000001862000-memory.dmp
memory/2420-20-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/1236-22-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/1236-24-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\Server.exe.log
| MD5 | 4a02286231546d5a837701befc9aeafa |
| SHA1 | ca28fba9e5d36d4093ca5a5c0d9cc6fa88756710 |
| SHA256 | c55d933eb6b3c6317d6c0ef97e400222493bafa7cf2007e8b2fd0653288a560f |
| SHA512 | 5f27784009926af504353da5442acc75cb6509d942c3b7931f386408f5e0d6e4b0fec421f902b04af65ec3116850bb0e82e968d458b0632bb5f451bc5f4a7f93 |
memory/1236-25-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp
memory/1236-26-0x0000000001600000-0x0000000001612000-memory.dmp
memory/1236-27-0x00007FFE50AC0000-0x00007FFE51461000-memory.dmp