njrat | a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5

Analysis

max time kernel
149s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20250508-en
resource tags

arch:x64arch:x86image:win11-20250508-enlocale:en-usos:windows11-21h2-x64system
submitted
26/05/2025, 00:21

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General

Target
a0ba3b892379b7e67d1656b116730318.exe
Size 31KB
Sample250526-ane3paxry7
SHA256 a5aef3acca2d2aa07bd312cb8a58b4bf8dd4aed42fe5d8aaefbb6df9dcb813e5
MD5 a0ba3b892379b7e67d1656b116730318
SHA1 789829095d78249f078b6b1976321b3ce3e1f5df
SHA512 027c2b1120cdaa2e187f83b2a6a1928e09ad576eba014bfeb65a783b082a9f0c562c55c2a8913c4c3fdb478b6742a28afc9eb0380147174804cfdbfc9fa887a6
SSDEEP 768:og5CUKdTtrUzxf6vQI2zb39v9rQmIDUu0tiJEj:3aoJpxQVkDj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5752	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\72d3b1e6221d57bd5d15ffb4a28a4cbe.exe	a0ba3b892379b7e67d1656b116730318.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\72d3b1e6221d57bd5d15ffb4a28a4cbe.exe	a0ba3b892379b7e67d1656b116730318.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3687046934-3833731302-526866946-1000\Software\Microsoft\Windows\CurrentVersion\Run\72d3b1e6221d57bd5d15ffb4a28a4cbe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a0ba3b892379b7e67d1656b116730318.exe\" .."	a0ba3b892379b7e67d1656b116730318.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\72d3b1e6221d57bd5d15ffb4a28a4cbe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\a0ba3b892379b7e67d1656b116730318.exe\" .."	a0ba3b892379b7e67d1656b116730318.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.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

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 3 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0ba3b892379b7e67d1656b116730318.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a0ba3b892379b7e67d1656b116730318.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: 33	2220	a0ba3b892379b7e67d1656b116730318.exe
Token: SeIncBasePriorityPrivilege	2220	a0ba3b892379b7e67d1656b116730318.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 5752	2220	a0ba3b892379b7e67d1656b116730318.exe	78
PID 2220 wrote to memory of 5752	2220	a0ba3b892379b7e67d1656b116730318.exe	78
PID 2220 wrote to memory of 5752	2220	a0ba3b892379b7e67d1656b116730318.exe	78
PID 2384 wrote to memory of 5156	2384	cmd.exe	82
PID 2384 wrote to memory of 5156	2384	cmd.exe	82
PID 2384 wrote to memory of 5156	2384	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\a0ba3b892379b7e67d1656b116730318.exe
"C:\Users\Admin\AppData\Local\Temp\a0ba3b892379b7e67d1656b116730318.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a0ba3b892379b7e67d1656b116730318.exe" "a0ba3b892379b7e67d1656b116730318.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:5752

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\a0ba3b892379b7e67d1656b116730318.exe" ..
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\a0ba3b892379b7e67d1656b116730318.exe
  C:\Users\Admin\AppData\Local\Temp\a0ba3b892379b7e67d1656b116730318.exe ..
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5156