Analysis Overview
SHA256
0b4d8a626297140778de69d812c0e5024a948decd5e35cc5c101e485c2002cf7
Threat Level: Known bad
The file 40ddc2dfac27ba24503b1b3e70539dce.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Drops startup file
Adds Run key to start application
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-23 07:51
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-23 07:51
Reported
2024-08-23 07:53
Platform
win7-20240704-en
Max time kernel
150s
Max time network
127s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.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\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe
"C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | members-flower.gl.at.ply.gg | udp |
| US | 147.185.221.22:10825 | members-flower.gl.at.ply.gg | tcp |
Files
memory/2292-0-0x0000000074811000-0x0000000074812000-memory.dmp
memory/2292-1-0x0000000074810000-0x0000000074DBB000-memory.dmp
memory/2292-2-0x0000000074810000-0x0000000074DBB000-memory.dmp
memory/2292-4-0x0000000074810000-0x0000000074DBB000-memory.dmp
memory/2292-5-0x0000000074810000-0x0000000074DBB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-23 07:51
Reported
2024-08-23 07:53
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csgo.exe | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\40ddc2dfac27ba24503b1b3e70539dce.exe\" .." | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.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\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe
"C:\Users\Admin\AppData\Local\Temp\40ddc2dfac27ba24503b1b3e70539dce.exe"
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 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | members-flower.gl.at.ply.gg | udp |
| US | 147.185.221.22:10825 | members-flower.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 22.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.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 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4052-0-0x0000000074732000-0x0000000074733000-memory.dmp
memory/4052-1-0x0000000074730000-0x0000000074CE1000-memory.dmp
memory/4052-2-0x0000000074730000-0x0000000074CE1000-memory.dmp
memory/4052-5-0x0000000074730000-0x0000000074CE1000-memory.dmp
memory/4052-4-0x0000000074732000-0x0000000074733000-memory.dmp
memory/4052-6-0x0000000074730000-0x0000000074CE1000-memory.dmp