Analysis Overview
SHA256
6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25
Threat Level: Known bad
The file a09a3b6b6bea6ef91aef5d0dd4581b88.exe was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Modifies Windows Firewall
Executes dropped EXE
Checks computer location settings
Drops startup file
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-20 21:16
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-20 21:16
Reported
2024-01-20 21:19
Platform
win7-20231129-en
Max time kernel
150s
Max time network
143s
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 created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39b05030c645f6e80bce801caf1f7d61.exe | C:\Users\Admin\windows updator_prdas.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39b05030c645f6e80bce801caf1f7d61.exe | C:\Users\Admin\windows updator_prdas.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\windows updator_prdas.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\39b05030c645f6e80bce801caf1f7d61 = "\"C:\\Users\\Admin\\windows updator_prdas.exe\" .." | C:\Users\Admin\windows updator_prdas.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\39b05030c645f6e80bce801caf1f7d61 = "\"C:\\Users\\Admin\\windows updator_prdas.exe\" .." | C:\Users\Admin\windows updator_prdas.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\windows updator_prdas.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe
"C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe"
C:\Users\Admin\windows updator_prdas.exe
"C:\Users\Admin\windows updator_prdas.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\windows updator_prdas.exe" "windows updator_prdas.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.121.139.82:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.127.253.86:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.121.139.82:10929 | 4.tcp.eu.ngrok.io | tcp |
Files
memory/2372-1-0x00000000002A0000-0x00000000002E0000-memory.dmp
memory/2372-0-0x0000000074D60000-0x000000007530B000-memory.dmp
memory/2372-2-0x0000000074D60000-0x000000007530B000-memory.dmp
\Users\Admin\windows updator_prdas.exe
| MD5 | a09a3b6b6bea6ef91aef5d0dd4581b88 |
| SHA1 | 098ed5d82ade538154634a9f44d8f91607c23392 |
| SHA256 | 6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25 |
| SHA512 | 42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8 |
memory/2420-10-0x0000000074D60000-0x000000007530B000-memory.dmp
memory/2372-12-0x0000000074D60000-0x000000007530B000-memory.dmp
memory/2420-11-0x0000000002030000-0x0000000002070000-memory.dmp
memory/2420-13-0x0000000074D60000-0x000000007530B000-memory.dmp
memory/2420-15-0x0000000074D60000-0x000000007530B000-memory.dmp
memory/2420-16-0x0000000002030000-0x0000000002070000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-20 21:16
Reported
2024-01-20 21:19
Platform
win10v2004-20231215-en
Max time kernel
152s
Max time network
155s
Command Line
Signatures
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\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39b05030c645f6e80bce801caf1f7d61.exe | C:\Users\Admin\windows updator_prdas.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39b05030c645f6e80bce801caf1f7d61.exe | C:\Users\Admin\windows updator_prdas.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\windows updator_prdas.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\39b05030c645f6e80bce801caf1f7d61 = "\"C:\\Users\\Admin\\windows updator_prdas.exe\" .." | C:\Users\Admin\windows updator_prdas.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\39b05030c645f6e80bce801caf1f7d61 = "\"C:\\Users\\Admin\\windows updator_prdas.exe\" .." | C:\Users\Admin\windows updator_prdas.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\windows updator_prdas.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4060 wrote to memory of 1608 | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 4060 wrote to memory of 1608 | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 4060 wrote to memory of 1608 | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 1608 wrote to memory of 3876 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1608 wrote to memory of 3876 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1608 wrote to memory of 3876 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe
"C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe"
C:\Users\Admin\windows updator_prdas.exe
"C:\Users\Admin\windows updator_prdas.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\windows updator_prdas.exe" "windows updator_prdas.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.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 |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.127.253.86:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 86.253.127.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.113.50.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.127.253.86:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 208.178.17.96.in-addr.arpa | udp |
Files
memory/4060-0-0x0000000074D30000-0x00000000752E1000-memory.dmp
memory/4060-1-0x0000000074D30000-0x00000000752E1000-memory.dmp
memory/4060-2-0x0000000000F20000-0x0000000000F30000-memory.dmp
C:\Users\Admin\windows updator_prdas.exe
| MD5 | a09a3b6b6bea6ef91aef5d0dd4581b88 |
| SHA1 | 098ed5d82ade538154634a9f44d8f91607c23392 |
| SHA256 | 6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25 |
| SHA512 | 42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8 |
memory/1608-21-0x0000000074D30000-0x00000000752E1000-memory.dmp
memory/1608-22-0x0000000000A00000-0x0000000000A10000-memory.dmp
memory/1608-23-0x0000000074D30000-0x00000000752E1000-memory.dmp
memory/4060-24-0x0000000074D30000-0x00000000752E1000-memory.dmp
memory/1608-26-0x0000000074D30000-0x00000000752E1000-memory.dmp
memory/1608-27-0x0000000000A00000-0x0000000000A10000-memory.dmp