Analysis Overview
SHA256
2016387ced33889b3ee002b9ff9f7dfcd91ae2b1358f96279488265e44bc0770
Threat Level: Known bad
The file a09a3b6b6bea6ef91aef5d0dd4581b88.bin was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Njrat family
Modifies Windows Firewall
Checks computer location settings
Executes dropped EXE
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 behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-22 02:40
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-22 02:40
Reported
2024-01-22 02:43
Platform
win7-20231215-en
Max time kernel
150s
Max time network
146s
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\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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\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\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.exe
"C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.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 | 35.158.159.254:10929 | 4.tcp.eu.ngrok.io | tcp |
Files
memory/1224-0-0x0000000074760000-0x0000000074D0B000-memory.dmp
memory/1224-1-0x0000000074760000-0x0000000074D0B000-memory.dmp
memory/1224-2-0x0000000000260000-0x00000000002A0000-memory.dmp
\Users\Admin\windows updator_prdas.exe
| MD5 | a09a3b6b6bea6ef91aef5d0dd4581b88 |
| SHA1 | 098ed5d82ade538154634a9f44d8f91607c23392 |
| SHA256 | 6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25 |
| SHA512 | 42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8 |
memory/1224-11-0x0000000074760000-0x0000000074D0B000-memory.dmp
memory/2292-12-0x0000000074760000-0x0000000074D0B000-memory.dmp
memory/2292-10-0x0000000074760000-0x0000000074D0B000-memory.dmp
memory/2292-13-0x0000000002260000-0x00000000022A0000-memory.dmp
memory/2292-15-0x0000000074760000-0x0000000074D0B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-22 02:40
Reported
2024-01-22 02:43
Platform
win10v2004-20231222-en
Max time kernel
149s
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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.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\USER\S-1-5-21-1168293393-3419776239-306423207-1000\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 2700 wrote to memory of 4848 | N/A | C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 2700 wrote to memory of 4848 | N/A | C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 2700 wrote to memory of 4848 | N/A | C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.exe | C:\Users\Admin\windows updator_prdas.exe |
| PID 4848 wrote to memory of 5028 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4848 wrote to memory of 5028 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4848 wrote to memory of 5028 | N/A | C:\Users\Admin\windows updator_prdas.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.exe
"C:\Users\Admin\AppData\Local\Temp\6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25.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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 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 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.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 | 180.178.17.96.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 | 26.178.89.13.in-addr.arpa | udp |
Files
memory/2700-1-0x00000000010E0000-0x00000000010F0000-memory.dmp
memory/2700-0-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/2700-2-0x0000000074950000-0x0000000074F01000-memory.dmp
C:\Users\Admin\windows updator_prdas.exe
| MD5 | a09a3b6b6bea6ef91aef5d0dd4581b88 |
| SHA1 | 098ed5d82ade538154634a9f44d8f91607c23392 |
| SHA256 | 6eea9641063b4f2e44360afc7bee1894423dc6aa92e7e497740fca1758d38c25 |
| SHA512 | 42c383b30292cb2521f70e3dcc30b96553e50866ab965f9304bf2808d90ea4be01efa12d380f6d9b76ffe57f09974d5563e5a6018a2009328ce18a25b4b3d1f8 |
memory/2700-21-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4848-23-0x0000000000B10000-0x0000000000B20000-memory.dmp
memory/4848-22-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4848-25-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4848-26-0x0000000000B10000-0x0000000000B20000-memory.dmp