njrat | 01ffe9d6f323a1dafd7dbe75338596cb03cdbe970cdc964543ae03006c1ece85

Analysis

max time kernel
57s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 20:33

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General

Target

201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
Size

115KB
MD5

18b9b2bf0f8001547dd3e3645d4bd744
SHA1

7973dee49840a6586dd94fc3d1503ba07ead70e2
SHA256

201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742
SHA512

5ea7d4ac55231b79c0900fb3d262c55626b2c41be8b0a63a9769797cf8d5b368d6014163dc034516dc8841bb70f6144200f67c3709da108a18f03e86589c3c18
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMiat6v:P5eznsjsguGDFqGZ2riv

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

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
1676	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe

Executes dropped EXE 2 IoCs

pid	Process
1800	chargeable.exe
2068	chargeable.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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe"	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 2068	1800	chargeable.exe	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

System Location Discovery: System Language Discovery 1 TTPs 4 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	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	chargeable.exe
Token: 33	2068	chargeable.exe
Token: SeIncBasePriorityPrivilege	2068	chargeable.exe
Token: 33	2068	chargeable.exe
Token: SeIncBasePriorityPrivilege	2068	chargeable.exe
Token: 33	2068	chargeable.exe
Token: SeIncBasePriorityPrivilege	2068	chargeable.exe
Token: 33	2068	chargeable.exe
Token: SeIncBasePriorityPrivilege	2068	chargeable.exe
Token: 33	2068	chargeable.exe
Token: SeIncBasePriorityPrivilege	2068	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 1800	232	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe	97
PID 232 wrote to memory of 1800	232	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe	97
PID 232 wrote to memory of 1800	232	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe	97
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 1800 wrote to memory of 2068	1800	chargeable.exe	100
PID 2068 wrote to memory of 1676	2068	chargeable.exe	101
PID 2068 wrote to memory of 1676	2068	chargeable.exe	101
PID 2068 wrote to memory of 1676	2068	chargeable.exe	101

C:\Users\Admin\AppData\Local\Temp\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
"C:\Users\Admin\AppData\Local\Temp\201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:232
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1676

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
f3b2d7d9cff350fd6e8480c366344e7d

SHA1
2bd28a8cad345caf2330327750943bdc2b4e7925

SHA256
6e38e9952011cf9a0536296d66a3a44fa3779ab0352aeb0317ec1ced806e310c

SHA512
302932682aa557660f6e0970ff7103c9abb611f49d37a685986b4b2f74e4ef93483a4cce60add71c3b442a4b68a3b1f7fe8133b0c2cb484fd8e59bc1e3fd80e8

Download Submit
memory/232-0-0x0000000074C22000-0x0000000074C23000-memory.dmp

Filesize
4KB

Download
memory/232-1-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/232-2-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/232-6-0x0000000074C22000-0x0000000074C23000-memory.dmp

Filesize
4KB

Download
memory/232-7-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/232-20-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/232-19-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/1800-21-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/1800-22-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/1800-23-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/1800-27-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/2068-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2068-29-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/2068-28-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download
memory/2068-30-0x0000000074C20000-0x00000000751D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads