MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6849da9fb64c3db1e883aa1a106a03c8e69d3e41d4be8a81bafbdd78f2f311da. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

njrat

Vendor detections: 9

Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash:	6849da9fb64c3db1e883aa1a106a03c8e69d3e41d4be8a81bafbdd78f2f311da
SHA3-384 hash:	b326ac4c0f8c590da2b9633e61097e9b00b2dab2a2ead928e2fdc09177dd6451ba77416dc68edfb9ba43c1455fc0ebff
SHA1 hash:	7a247adbad08893b6c03fc681a9be030ae546384
MD5 hash:	e14f05e0b808c956b980a1d196801fcc
humanhash:	batman-jig-ink-cup
File name:	incrustado.vbs
Download:	download sample
Signature	njrat Create hunting rule
File size:	26'124 bytes
First seen:	2025-07-04 06:53:01 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	384:s9Rn17mHQ19arQgtYqkWOUiLKck1Qd0LsfMO:sUHLGnN0LO
TLSH	T12EC277272E0342B44976C0ABAD1AF016EDD8423796296815F98C419D0FF1BAFD0F97ED
Magika	vba
Reporter	abuse_ch
Tags:	NjRAT vbs

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/12255/

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68677a6b900df8e7f8668a8a

Tags:

obfuscate xtreme spawn

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/68677a63eb28035066439bc3/reports/1a3d5428-dcfc-4825-86c2-8785f29f114b/overview

Verdict:

Malicious

Labled as:

VBS/TrojanDownloader.Agent

Link:

https://www.hybrid-analysis.com/sample/6849da9fb64c3db1e883aa1a106a03c8e69d3e41d4be8a81bafbdd78f2f311da

Result

Threat name:

Njrat

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1728561

Signature

Bypasses PowerShell execution policy

Connects to a pastebin service (likely for C&C)

Found malware configuration

Found suspicious powershell code related to unpacking or dynamic code loading

Found Tor onion address

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Potential malicious VBS script found (has network functionality)

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines

Sigma detected: Potentially Suspicious Malware Callback Communication

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Script Initiated Connection to Non-Local Network

Sigma detected: Suspicious PowerShell Parameter Substring

Sigma detected: WScript or CScript Dropper

Suspicious execution chain found

Suspicious powershell command line found

System process connects to network (likely due to code injection or exploit)

Uses dynamic DNS services

VBScript performs obfuscated calls to suspicious functions

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected Njrat

Yara detected Powershell decode and execute

Yara detected Powershell download and execute

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/6849da9fb64c3db1e883aa1a106a03c8e69d3e41d4be8a81bafbdd78f2f311da

Verdict:

Malware

YARA:

3 match(es)

Tags:

DeObfuscated Html Obfuscated Scripting.FileSystemObject T1059.005 VBScript VBScripting.Includer WScript.Shell

Link:

https://app.malva.re/file/e14f05e0b808c956b980a1d196801fcc

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6849da9fb64c3db1e883aa1a106a03c8e69d3e41d4be8a81bafbdd78f2f311da/

Threat name:

Script-WScript.Backdoor.Remcos

Status:

Malicious

First seen:

2025-07-03 04:05:44 UTC

File Type:

Text (Visual Basic)

AV detection:

7 of 24 (29.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=nbe5vh5wjq63d2edvinba2qdzdtj2psb2s7ivan27poxr4xtchna._file

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:nyan cat discovery execution trojan

Link:

https://tria.ge/reports/250704-hnnntsal2z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Njrat family

njRAT/Bladabindi

Malware Config

C2 Extraction:

romanovas.duckdns.org:5552

Dropper Extraction:

https://archive.org/download/universe-1733359315202-8750/universe-1733359315202-8750.jpg

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.08

Link:

https://yomi.yoroi.company/submissions/6849da9fb64c3db1e883aa1a106a03c8e69d3e41d4be8a81bafbdd78f2f311da

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	detect_tiny_vbs Create hunting rule
Author:	daniyyell
Description:	Detects tiny VBS delivery technique

Rule name:	OBFUS_PowerShell_Common_Replace Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the common usage of replace for obfuscation