njrat | eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 06:46

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General

Target

eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b.exe
Size

288KB
MD5

99c7e7ad07decc0192b7d617a7c84ef1
SHA1

e520494b5c08db9902473a79710037f433c80846
SHA256

eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b
SHA512

adb7da26da9845a4b50286e680adc5e6607ac3477c054fd50221b0900cc8a0513e691309872e3a5a6c3f10e4661b39552cd5c00427ff5f57bd3e9e56fa481bd2
SSDEEP

6144:swn0V1pukGg2CMIBAAgBNGWyv6oh7e5tC:Ny1DsgAAX2of

Score

10^/10

njrat defense_evasion 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
1328	netsh.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2732	server.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe"	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\def9b6cd3f2b0c43097dfbc918862b82 = "C:\\Users\\Admin\\AppData\\Roaming\\server.exe"	server.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2732	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 2732	3656	eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b.exe	83
PID 3656 wrote to memory of 2732	3656	eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b.exe	83
PID 2732 wrote to memory of 1328	2732	server.exe	85
PID 2732 wrote to memory of 1328	2732	server.exe	85

C:\Users\Admin\AppData\Local\Temp\eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b.exe
"C:\Users\Admin\AppData\Local\Temp\eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Users\Admin\AppData\Roaming\server.exe
  C:\Users\Admin\AppData\Roaming\server.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram C:\Users\Admin\AppData\Roaming\server.exe "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe

Filesize
288KB

MD5
99c7e7ad07decc0192b7d617a7c84ef1

SHA1
e520494b5c08db9902473a79710037f433c80846

SHA256
eb7d483bfdcef2435065095a8b38aa322d78796340e8496f0bbb739fa3b1cd4b

SHA512
adb7da26da9845a4b50286e680adc5e6607ac3477c054fd50221b0900cc8a0513e691309872e3a5a6c3f10e4661b39552cd5c00427ff5f57bd3e9e56fa481bd2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads