njrat | 87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 13:15

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General

Target

f941d4289c21e6869ccc150d0ac16949.exe
Size

31KB
MD5

f941d4289c21e6869ccc150d0ac16949
SHA1

e83c6a286a32b1b92d03f93af7c7db1b98577f47
SHA256

87124ba55c45642f67890b15ffd1bc0e7911bdf8647af2b3eb0e52073353271f
SHA512

38da0fc14735c29e8fe395383b06155d658a48668f3f4a3f39e6e9ca5bbcac22a646d4d5e6d2572dacd5a5d05cf84478664954d30bc5dc55d371929e529cfe65
SSDEEP

768:1rhO5b13hdwzxLy3os0O/dMRvCnQmIDUu0tikFj:5cZ6eh6gQVkJj

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
2688	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	f941d4289c21e6869ccc150d0ac16949.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: 33	2756	f941d4289c21e6869ccc150d0ac16949.exe
Token: SeIncBasePriorityPrivilege	2756	f941d4289c21e6869ccc150d0ac16949.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2688	2756	f941d4289c21e6869ccc150d0ac16949.exe	31
PID 2756 wrote to memory of 2688	2756	f941d4289c21e6869ccc150d0ac16949.exe	31
PID 2756 wrote to memory of 2688	2756	f941d4289c21e6869ccc150d0ac16949.exe	31
PID 2756 wrote to memory of 2688	2756	f941d4289c21e6869ccc150d0ac16949.exe	31

C:\Users\Admin\AppData\Local\Temp\f941d4289c21e6869ccc150d0ac16949.exe
"C:\Users\Admin\AppData\Local\Temp\f941d4289c21e6869ccc150d0ac16949.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\f941d4289c21e6869ccc150d0ac16949.exe" "f941d4289c21e6869ccc150d0ac16949.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2688

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/2756-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-3-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads