njrat | 6cb9455b415038c5fe7e6d86677f3751033b0478f7264a171cc7a277ad3b706c

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 06:19

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General

Target

Client.exe
Size

31KB
MD5

63f444ed65088c9e278ec2e6892899a6
SHA1

588c5ca8e39578b9341f7cbaa7bec05af51566c4
SHA256

6cb9455b415038c5fe7e6d86677f3751033b0478f7264a171cc7a277ad3b706c
SHA512

1859caf0ba1c328142c8910f4504aea0096d55dac286809ae161c827558f60875f76d5840e469644092ecd05891de5da7ef0f492f50f47d8279dd86704a69567
SSDEEP

768:1qmqnf1Ll58zx36DLeo0HbFZv8NQmIDUu0tihUBj:0B9q/JvsQVk5j

Score

10^/10

njrat discovery 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2984	netsh.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 2 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Client.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe
Token: 33	2704	Client.exe
Token: SeIncBasePriorityPrivilege	2704	Client.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2984	2704	Client.exe	31
PID 2704 wrote to memory of 2984	2704	Client.exe	31
PID 2704 wrote to memory of 2984	2704	Client.exe	31
PID 2704 wrote to memory of 2984	2704	Client.exe	31

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Client.exe" "Client.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2704-0-0x00000000743E1000-0x00000000743E2000-memory.dmp

Filesize
4KB

Download
memory/2704-1-0x00000000743E0000-0x000000007498B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-2-0x00000000743E0000-0x000000007498B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-3-0x00000000743E0000-0x000000007498B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads