MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448. 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

AsyncRAT

Vendor detections: 12

Intelligence 12 IOCs YARA 29 File information Comments

SHA256 hash:	be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448
SHA3-384 hash:	a6d23578c893a76f8b5a18d5c845bc8975e676aec94df60138e282408bd3f25ae62891bd5311da211b9355d210e6d3e7
SHA1 hash:	fc2e1e0223f9aada4af66471d422d8e69cf972a7
MD5 hash:	b97382d38a33c2a4095e94e64df472fc
humanhash:	angel-vermont-washington-lake
File name:	BIÊN LAI GIAO HÀNGhJ.js
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	798'720 bytes
First seen:	2026-09-23 08:37:58 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	12288:lF0KAea/zeKpIvi4CRcf9QCYhX2t9+Zp2gYWVAAC7HgevHu41Tq90zL1aCqomto3:iJzeKr4icFQj2jgYWaFAL49TNaLSn
TLSH	T1EF051244046EA03F157BE629A3CF0004E1B997478A5DE211B45DE6E85FBB87402BEFE7
TrID	57.1% (.S) Digital Micrograph Script (4000/1/1) 42.8% (.TRA) Infinity Engine Translation (with rem) (3001/2/1)
Magika	javascript
Reporter	abuse_ch
Tags:	AsyncRAT js RAT

Intelligence

File Origin

# of uploads :

# of downloads :

195

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.26222.JsHeur.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 base64 corrupted encrypted evasive evasive fingerprint lolbin obfuscated obfuscated overlay persistence powershell reconnaissance repaired wscript

Link:

https://www.filescan.io/uploads/6ab39016b50b2b8485e77093/reports/5f3091dd-f81a-46c4-b546-867ddc2e040a/overview

Verdict:

Malicious

Labled as:

Trojan.Cryxos.JS

Link:

https://www.hybrid-analysis.com/sample/be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448

Verdict:

Malicious

File Type:

First seen:

2026-09-23T01:09:00Z UTC

Last seen:

2026-09-25T04:39:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448/results?tab=lookup

Result

Threat name:

AsyncRAT, Clipboard Hijacker, Discord To

Detection:

malicious

Classification:

expl.evad.troj.spyw

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1976635

Signature

AI detected malicious Powershell script

JavaScript source code contains functionality to compute date of execution (likely for evasion)

JavaScript source code contains functionality to generate code involving a shell, file or stream

JavaScript source code contains functionality to generate code involving HTTP requests or file downloads

JScript performs obfuscated calls to suspicious functions

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: WScript or CScript Dropper

Sigma detected: WScript or CScript Dropper - File

Suspicious execution chain found

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

Wscript called in batch mode (surpress errors)

WScript reads language and country specific registry keys (likely country aware script)

Wscript starts Powershell (via cmd or directly)

Behaviour

Behavior Graph:

Download SVG

Score:

58%

Verdict:

Susipicious

File Type:

SCRIPT

Link:

https://malprob.io/report/be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448

Gathering data

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448/

Threat name:

Script-JS.Trojan.Cryxos

Status:

Malicious

First seen:

2026-09-23 08:38:35 UTC

File Type:

Text (JavaScript)

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xzvx3gpfxltyz7uabc6jzxhaq247xydkli2q6wo2e5jjlx3mwrea._file

Verdict:

malicious

Label(s):

AsyncRAT

Link:

https://reports.threatray.com/56cd964f-b32f-4e67-b8b2-1cc038ca29ac

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default defense_evasion discovery execution persistence rat

Link:

https://tria.ge/reports/260923-kj15gazgpc/

Behaviour

Delays execution with timeout.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Command and Scripting Interpreter: JavaScript

Command and Scripting Interpreter: PowerShell

Enumerates physical storage devices

Executes a command shell one-liner

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Executes dropped EXE

Family: AsyncRat

Malware Config

C2 Extraction:

64.89.160.29:5566

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/be6b7d99e5bae78cfe8008bc9cdce086b9fbe06a5a350f59da275295df6cb448

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:	AsyncRat Create hunting rule
Author:	kevoreilly, JPCERT/CC Incident Response Group
Description:	AsyncRat Payload

Rule name:	AsyncRAT_057B Create hunting rule
Author:	kirkderp
Description:	AsyncRAT 0.5.7B -- minimal .NET RAT with PBKDF2 key derivation and MessagePack serialization
Reference:	https://github.com/kirkderp/yara

Rule name:	asyncrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	malware_asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Mal_WIN_AsyncRat_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.

Rule name:	msil_suspicious_use_of_strreverse Create hunting rule
Author:	dr4k0nia
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (https://www.lukeacha.com)
Description:	Generic detection for multiple RAT families, PUPs, packers and suspicious executables. NOTE: This rule may produce false positives. Updated May 2026 to reduce False Positives.

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	rat_win_asyncrat Create hunting rule
Author:	Sekoia.io
Description:	Detect AsyncRAT based on specific strings

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	SUSP_Reverse_Run_Key Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a Reversed Run Key

Rule name:	SUSP_Script_PowerShell_Hidden_Launcher Create hunting rule
Author:	Marjoriefort
Description:	Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:	Veille fraicheur 2026-09-14 / cluster misses web

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Asyncrat_11a11ba1 Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_bytecodes Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

Rule name:	win_asyncrat_j1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

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