Analysis Overview
SHA256
092a9a5a2dae728331834b73af9602e7602fc70954e512778a3cce3a3ccfac79
Threat Level: Known bad
The file 73a2d271f4b6cc3e4c32148efb7cdbf3 was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
UAC bypass
Modifies Windows Firewall
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Checks whether UAC is enabled
Adds Run key to start application
AutoIT Executable
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
System policy modification
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-25 03:39
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-25 03:39
Reported
2024-01-25 03:41
Platform
win7-20231129-en
Max time kernel
149s
Max time network
140s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
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\4437\4437.exe | N/A |
| 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\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4437\4437.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\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 |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe
"C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe"
C:\Users\Admin\AppData\Local\Temp\4437\4437.exe
"C:\Users\Admin\AppData\Local\Temp\4437\4437.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
\Users\Admin\AppData\Local\Temp\4437\4437.exe
| MD5 | 1a742117f7a8efdc80ea094c28d9d46d |
| SHA1 | 0952695455605daa7af8d445b66b612343c60f19 |
| SHA256 | 5c0dfc2d9a7fed1fdc3f108b263033723b0a5457ff72e9e54e05e49ec27089db |
| SHA512 | 884cd10195a0e194b05ab8fbe1874f3931e3c75755666ae7de3447c768f0f9be5c514f42cf57a54e08d79e1513e79a6d3cf7838accf0b2ae5843f434c070d53c |
memory/2220-14-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/2220-15-0x0000000000210000-0x0000000000250000-memory.dmp
memory/2220-16-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/2220-25-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/2656-24-0x0000000000170000-0x00000000001B0000-memory.dmp
memory/2656-26-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/2656-27-0x0000000074AB0000-0x000000007505B000-memory.dmp
memory/2656-28-0x0000000000170000-0x00000000001B0000-memory.dmp
memory/2656-29-0x0000000074AB0000-0x000000007505B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-25 03:39
Reported
2024-01-25 03:42
Platform
win10v2004-20231215-en
Max time kernel
151s
Max time network
155s
Command Line
Signatures
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
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\4437\4437.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4437\4437.exe | N/A |
| 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-1-5-21-3073191680-435865314-2862784915-1000\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 |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe
"C:\Users\Admin\AppData\Local\Temp\73a2d271f4b6cc3e4c32148efb7cdbf3.exe"
C:\Users\Admin\AppData\Local\Temp\4437\4437.exe
"C:\Users\Admin\AppData\Local\Temp\4437\4437.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 |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| US | 8.8.8.8:53 | 114.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| N/A | 10.10.10.10:5552 | tcp | |
| US | 8.8.8.8:53 | 204.201.50.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\4437\4437.exe
| MD5 | 1a742117f7a8efdc80ea094c28d9d46d |
| SHA1 | 0952695455605daa7af8d445b66b612343c60f19 |
| SHA256 | 5c0dfc2d9a7fed1fdc3f108b263033723b0a5457ff72e9e54e05e49ec27089db |
| SHA512 | 884cd10195a0e194b05ab8fbe1874f3931e3c75755666ae7de3447c768f0f9be5c514f42cf57a54e08d79e1513e79a6d3cf7838accf0b2ae5843f434c070d53c |
memory/904-9-0x0000000072B00000-0x00000000730B1000-memory.dmp
memory/904-10-0x0000000072B00000-0x00000000730B1000-memory.dmp
memory/904-11-0x0000000000FE0000-0x0000000000FF0000-memory.dmp
memory/936-21-0x0000000072B00000-0x00000000730B1000-memory.dmp
memory/904-22-0x0000000072B00000-0x00000000730B1000-memory.dmp
memory/936-23-0x0000000000F00000-0x0000000000F10000-memory.dmp
memory/936-24-0x0000000072B00000-0x00000000730B1000-memory.dmp
memory/936-25-0x0000000072B00000-0x00000000730B1000-memory.dmp
memory/936-26-0x0000000000F00000-0x0000000000F10000-memory.dmp