Analysis Overview
SHA256
ed420bc743c754b80de8893dbc22f6c64630ae7fec697ce69ee95c1f0ed67168
Threat Level: Known bad
The file f2c12d60565cc11e11247cef0381c91b.zip was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-01 07:52
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-01 07:52
Reported
2024-09-01 07:55
Platform
win7-20240705-en
Max time kernel
150s
Max time network
141s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.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\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.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\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe
"C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.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 |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp |
Files
memory/2368-0-0x0000000074831000-0x0000000074832000-memory.dmp
memory/2368-1-0x0000000074830000-0x0000000074DDB000-memory.dmp
memory/2368-2-0x0000000074830000-0x0000000074DDB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | f2c12d60565cc11e11247cef0381c91b |
| SHA1 | da032f76b0930d85f58192a0494c7544dbdc51d7 |
| SHA256 | ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5 |
| SHA512 | a8dbd23a72ccbe3a590a5818084b934ba2436fdc9955916b26803281c1763ae27e742a58c05c1fec82abc60d9711e888bcfd9c0fcb048a9fa33836708aaa6a6f |
memory/2348-11-0x0000000074830000-0x0000000074DDB000-memory.dmp
memory/2368-10-0x0000000074830000-0x0000000074DDB000-memory.dmp
memory/2348-12-0x0000000074830000-0x0000000074DDB000-memory.dmp
memory/2348-13-0x0000000074830000-0x0000000074DDB000-memory.dmp
memory/2348-14-0x0000000074830000-0x0000000074DDB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-01 07:52
Reported
2024-09-01 07:55
Platform
win10v2004-20240802-en
Max time kernel
149s
Max time network
147s
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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.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\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3076 wrote to memory of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3076 wrote to memory of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3076 wrote to memory of 3528 | N/A | C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe | C:\Users\Admin\AppData\Local\Temp\server.exe |
| PID 3528 wrote to memory of 1064 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3528 wrote to memory of 1064 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3528 wrote to memory of 1064 | N/A | C:\Users\Admin\AppData\Local\Temp\server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe
"C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp |
Files
memory/3076-0-0x0000000074A62000-0x0000000074A63000-memory.dmp
memory/3076-1-0x0000000074A60000-0x0000000075011000-memory.dmp
memory/3076-2-0x0000000074A60000-0x0000000075011000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\server.exe
| MD5 | f2c12d60565cc11e11247cef0381c91b |
| SHA1 | da032f76b0930d85f58192a0494c7544dbdc51d7 |
| SHA256 | ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5 |
| SHA512 | a8dbd23a72ccbe3a590a5818084b934ba2436fdc9955916b26803281c1763ae27e742a58c05c1fec82abc60d9711e888bcfd9c0fcb048a9fa33836708aaa6a6f |
memory/3528-12-0x0000000074A60000-0x0000000075011000-memory.dmp
memory/3076-13-0x0000000074A60000-0x0000000075011000-memory.dmp
memory/3528-14-0x0000000074A60000-0x0000000075011000-memory.dmp