njrat | 01ffe9d6f323a1dafd7dbe75338596cb03cdbe970cdc964543ae03006c1ece85

Analysis

max time kernel
148s
max time network
151s
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, 19:06

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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
4364	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-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe

Executes dropped EXE 2 IoCs

pid	Process
3760	chargeable.exe
3752	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-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\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 3760 set thread context of 3752	3760	chargeable.exe	95

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 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 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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe
Token: 33	3752	chargeable.exe
Token: SeIncBasePriorityPrivilege	3752	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 3760	4788	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe	92
PID 4788 wrote to memory of 3760	4788	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe	92
PID 4788 wrote to memory of 3760	4788	201b2bf97ddea77b00751cc452d4e9075c96d457f044b15577048454430f0742.exe	92
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3760 wrote to memory of 3752	3760	chargeable.exe	95
PID 3752 wrote to memory of 4364	3752	chargeable.exe	96
PID 3752 wrote to memory of 4364	3752	chargeable.exe	96
PID 3752 wrote to memory of 4364	3752	chargeable.exe	96

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:4788
- 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:3760
- - 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:3752
  - - 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:4364

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
af005173cce1850423f0f999693487cb

SHA1
950bf700178ab02d75b959cf92f1d493acba31ef

SHA256
38615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a

SHA512
feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc

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

Filesize
115KB

MD5
e3c0beb84e521a917f480d34daf705d3

SHA1
c62f0d8c94a0eacb037fdd41c953d82b5948790d

SHA256
b2ebac99b56ead0355cb72d306bedeed95bdfb605e63cb9791424815279bdcde

SHA512
a5df606efe93fb2045d4749532f5992db5cafdccd88a54fb806845a36242c46bfcc9275336a3028c6385fe88a60e58bc29844b5865aba868f9e59520649d90d3

Download Submit
memory/3752-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3752-31-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-30-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3752-28-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3760-21-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3760-22-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3760-23-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3760-29-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-20-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-0-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/4788-19-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-7-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-6-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/4788-2-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/4788-1-0x0000000074D00000-0x00000000752B1000-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