Analysis Overview
SHA256
6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25
Threat Level: Known bad
The file a09a3b6b6bea6ef91aef5d0dd4581b88.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Drops startup file
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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 21:18
Platform
win7-20231215-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\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\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\MACHINE\SOFTWARE\Wow6432Node\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 | 3.127.59.75:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 3.127.59.75:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 4.tcp.eu.ngrok.io | udp |
| DE | 35.158.159.254:10929 | 4.tcp.eu.ngrok.io | tcp |
Files
memory/2284-0-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2284-1-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2284-2-0x00000000005F0000-0x0000000000630000-memory.dmp
C:\Users\Admin\windows updator_prdas.exe
| MD5 | a09a3b6b6bea6ef91aef5d0dd4581b88 |
| SHA1 | 098ed5d82ade538154634a9f44d8f91607c23392 |
| SHA256 | 6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25 |
| SHA512 | 42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8 |
memory/2668-11-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2284-10-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2668-13-0x0000000000610000-0x0000000000650000-memory.dmp
memory/2668-12-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2668-15-0x00000000743E0000-0x000000007498B000-memory.dmp
memory/2668-16-0x0000000000610000-0x0000000000650000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-20 21:16
Reported
2024-01-20 21:18
Platform
win10v2004-20231215-en
Max time kernel
150s
Max time network
146s
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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.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\39b05030c645f6e80bce801caf1f7d61.exe | C:\Users\Admin\windows updator_prdas.exe | N/A |
| File created | 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\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\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\MACHINE\SOFTWARE\WOW6432Node\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 456 wrote to memory of 4364 | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 456 wrote to memory of 4364 | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 456 wrote to memory of 4364 | N/A | C:\Users\Admin\AppData\Local\Temp\a09a3b6b6bea6ef91aef5d0dd4581b88.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 4364 wrote to memory of 2944 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4364 wrote to memory of 2944 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4364 wrote to memory of 2944 | 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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.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 | 4.tcp.eu.ngrok.io | udp |
| DE | 35.158.159.254:10929 | 4.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.159.158.35.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 0.205.248.87.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 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.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 | 1.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| NL | 52.142.223.178:80 | tcp |
Files
memory/456-0-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/456-2-0x0000000001000000-0x0000000001010000-memory.dmp
memory/456-1-0x0000000074FE0000-0x0000000075591000-memory.dmp
C:\Users\Admin\windows updator_prdas.exe
| MD5 | a09a3b6b6bea6ef91aef5d0dd4581b88 |
| SHA1 | 098ed5d82ade538154634a9f44d8f91607c23392 |
| SHA256 | 6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25 |
| SHA512 | 42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8 |
memory/4364-23-0x0000000000C00000-0x0000000000C10000-memory.dmp
memory/4364-24-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/456-22-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/4364-21-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/4364-26-0x0000000074FE0000-0x0000000075591000-memory.dmp
memory/4364-27-0x0000000000C00000-0x0000000000C10000-memory.dmp
memory/4364-28-0x0000000074FE0000-0x0000000075591000-memory.dmp