njrat | 7e71c79883eb025596762b4e0bf86b447039079dfe510ccf13a383b612575fa6

Analysis

max time kernel
147s
max time network
155s
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, 06:09

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General

Target

3cb47c4bbe6856c45fd89eb5eb2723c1.exe
Size

114KB
MD5

3cb47c4bbe6856c45fd89eb5eb2723c1
SHA1

61ec438d8c8e4c382353587bb7eaf2aff7581f1f
SHA256

b023de4ecd98db961a3aa5c6aa9f6d79560c5dd72aaa2ea61e907dfac2503bb2
SHA512

53b273a1d5355b40664b5d9a5af40bec0315352d511a45d57d8a10693c5f7e7be8972d614eb4e9504bbf4fa455f51c149d891f0a5c29c1a82955d0b678f4a479
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI1:P5eznsjsguGDFqGZ2rDI1

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
1920	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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	3cb47c4bbe6856c45fd89eb5eb2723c1.exe

Executes dropped EXE 2 IoCs

pid	Process
2144	chargeable.exe
3720	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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3cb47c4bbe6856c45fd89eb5eb2723c1.exe"	3cb47c4bbe6856c45fd89eb5eb2723c1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	3cb47c4bbe6856c45fd89eb5eb2723c1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 3720	2144	chargeable.exe	94

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	3cb47c4bbe6856c45fd89eb5eb2723c1.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	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe
Token: 33	3720	chargeable.exe
Token: SeIncBasePriorityPrivilege	3720	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 2144	4160	3cb47c4bbe6856c45fd89eb5eb2723c1.exe	91
PID 4160 wrote to memory of 2144	4160	3cb47c4bbe6856c45fd89eb5eb2723c1.exe	91
PID 4160 wrote to memory of 2144	4160	3cb47c4bbe6856c45fd89eb5eb2723c1.exe	91
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 2144 wrote to memory of 3720	2144	chargeable.exe	94
PID 3720 wrote to memory of 1920	3720	chargeable.exe	96
PID 3720 wrote to memory of 1920	3720	chargeable.exe	96
PID 3720 wrote to memory of 1920	3720	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\3cb47c4bbe6856c45fd89eb5eb2723c1.exe
"C:\Users\Admin\AppData\Local\Temp\3cb47c4bbe6856c45fd89eb5eb2723c1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4160
- 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:2144
- - 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:3720
  - - 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:1920

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
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
115KB

MD5
81ded05329723187ecf899843ecd3e1d

SHA1
cef4b1526a22aac63d0a2292e39cdbf6f2a0714b

SHA256
06504d8491d5504c6290d75ebe322a2a88bdfb298e9cbad83332f5b0e143e106

SHA512
704dbbf833e59a5f7235b8e0c16708cb5d782e7ae5cc8dc503259c095e6d61341e505cbe661912a54274237bceace2428cc9c0312c0dea629060a869a7d18246

Download Submit
memory/2144-29-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/2144-20-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/2144-21-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/2144-22-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/3720-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3720-30-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/3720-27-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/3720-28-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/4160-19-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/4160-1-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/4160-0-0x0000000074ED2000-0x0000000074ED3000-memory.dmp

Filesize
4KB

Download
memory/4160-6-0x0000000074ED2000-0x0000000074ED3000-memory.dmp

Filesize
4KB

Download
memory/4160-2-0x0000000074ED0000-0x0000000075481000-memory.dmp

Filesize
5.7MB

Download
memory/4160-7-0x0000000074ED0000-0x0000000075481000-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