Analysis Overview
SHA256
35b46563f4d1ef02e7e2a315df8bbf0f8c2e49803856af0cf1418ea19fba58cf
Threat Level: Known bad
The file start.bat was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Modifies Windows Firewall
Drops startup file
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Drops autorun.inf file
Drops file in System32 directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-18 15:51
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-18 15:51
Reported
2024-01-18 15:52
Platform
win7-20231129-en
Max time kernel
14s
Max time network
14s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60742add55fe12a61a5fe6a3cf32e5c0Windows Update.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60742add55fe12a61a5fe6a3cf32e5c0Windows Update.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2368 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 2368 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 2368 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 2368 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 2532 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2532 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2532 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2532 wrote to memory of 2716 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\start.exe
"C:\Users\Admin\AppData\Local\Temp\start.exe"
C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dead-reviewer.gl.at.ply.gg | udp |
| US | 147.185.221.17:60161 | dead-reviewer.gl.at.ply.gg | tcp |
Files
memory/2368-0-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2368-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2368-2-0x0000000000070000-0x00000000000B0000-memory.dmp
\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 937286297fbc003e6a69fdc0f02ce8b0 |
| SHA1 | 2ebd595bbb357264649f17f8b066941f05befefb |
| SHA256 | 35b46563f4d1ef02e7e2a315df8bbf0f8c2e49803856af0cf1418ea19fba58cf |
| SHA512 | 9c26792ef5102c7215afae12264e2eca6c2a0f9ed67d9b84918b720f4ca81b5fa2cdb59a28f4089e25abb93243a3d90e98d45dda9862286e2e074708eaf405f4 |
memory/2532-15-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2368-14-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2532-16-0x0000000002000000-0x0000000002040000-memory.dmp
memory/2532-17-0x00000000749F0000-0x0000000074F9B000-memory.dmp
C:\Users\Admin\AppData\Roaming\app
| MD5 | 410c3c7c3e0376e2f9b228980b58d042 |
| SHA1 | 3aec3fa12cd88edca90fdc72a0d25cd071dc2052 |
| SHA256 | 5c272042cede2596555e6b6f2c36857b015ccab9f34affbc63d6b000ccd08391 |
| SHA512 | 2a1e382b045d59580271cb05b521d0c6e99772be7cd5ce38d3e5e1997a4cb9d3fe5d424a24c67383a5a2d0002d4a2194f71e1604fa9ff0199944f8cee9b26a57 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-18 15:51
Reported
2024-01-18 15:54
Platform
win10v2004-20231215-en
Max time kernel
151s
Max time network
156s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\start.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60742add55fe12a61a5fe6a3cf32e5c0Windows Update.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60742add55fe12a61a5fe6a3cf32e5c0Windows Update.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| File created | C:\Program Files (x86)\Explower.exe | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3768 wrote to memory of 4604 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3768 wrote to memory of 4604 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3768 wrote to memory of 4604 | N/A | C:\Users\Admin\AppData\Local\Temp\start.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 4604 wrote to memory of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4604 wrote to memory of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4604 wrote to memory of 1992 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\start.exe
"C:\Users\Admin\AppData\Local\Temp\start.exe"
C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dead-reviewer.gl.at.ply.gg | udp |
| US | 147.185.221.17:60161 | dead-reviewer.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 17.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.110.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
Files
memory/3768-0-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/3768-1-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/3768-2-0x0000000000530000-0x0000000000540000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | 937286297fbc003e6a69fdc0f02ce8b0 |
| SHA1 | 2ebd595bbb357264649f17f8b066941f05befefb |
| SHA256 | 35b46563f4d1ef02e7e2a315df8bbf0f8c2e49803856af0cf1418ea19fba58cf |
| SHA512 | 9c26792ef5102c7215afae12264e2eca6c2a0f9ed67d9b84918b720f4ca81b5fa2cdb59a28f4089e25abb93243a3d90e98d45dda9862286e2e074708eaf405f4 |
memory/3768-14-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/4604-13-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/4604-15-0x0000000001770000-0x0000000001780000-memory.dmp
memory/4604-16-0x0000000074AE0000-0x0000000075091000-memory.dmp
C:\Users\Admin\AppData\Roaming\app
| MD5 | 410c3c7c3e0376e2f9b228980b58d042 |
| SHA1 | 3aec3fa12cd88edca90fdc72a0d25cd071dc2052 |
| SHA256 | 5c272042cede2596555e6b6f2c36857b015ccab9f34affbc63d6b000ccd08391 |
| SHA512 | 2a1e382b045d59580271cb05b521d0c6e99772be7cd5ce38d3e5e1997a4cb9d3fe5d424a24c67383a5a2d0002d4a2194f71e1604fa9ff0199944f8cee9b26a57 |
memory/4604-54-0x0000000001770000-0x0000000001780000-memory.dmp
memory/4604-55-0x0000000074AE0000-0x0000000075091000-memory.dmp
memory/4604-56-0x0000000001770000-0x0000000001780000-memory.dmp