njrat | 7e049f62f9a0b91f91b6b7fe818184b096b5af830ee0105a0c65fc090c63120d

General

Target
123.exe
Size 31KB
Sample240729-d59kea1eqj
SHA256 2f79f1c9d23001945e6e20c64598622742fe8d75200e9397420924a1782294e0
MD5 96adec53048fc702a6c20ff1ba1e328d
SHA1 9d295d72af4218404eb5bd1db77cd499e2b35a74
SHA512 fb340bc473a6b033b4d28343acf3ce85a3f099bed4f214b72df4e9c74ac1d5e85540a4f09afe6ec39e61982b8745059fac2b05fe332c592383da522f4e819e44
SSDEEP 768:rFMXZwpJbb2zxxO5oaqHhisfvaMQmIDUu0tiFNj:CkKZisfQVk6j
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

Disable or Modify System Firewall

pid	Process
1772	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9ca5d83ba76d13c53d85666d9bacd2a2.exe	123.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9ca5d83ba76d13c53d85666d9bacd2a2.exe	123.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9ca5d83ba76d13c53d85666d9bacd2a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\123.exe\" .."	123.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9ca5d83ba76d13c53d85666d9bacd2a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\123.exe\" .."	123.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe
Token: 33	4784	123.exe
Token: SeIncBasePriorityPrivilege	4784	123.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 1772	4784	123.exe	84
PID 4784 wrote to memory of 1772	4784	123.exe	84
PID 4784 wrote to memory of 1772	4784	123.exe	84