MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef. 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 1 YARA 31 File information Comments

SHA256 hash:	40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef
SHA3-384 hash:	4b824e1a05ec04357418616a263d6c960f5a51fe3dbfa2bc6cb3407639506af854db28e51b4068b3e6d21f3d3812d234
SHA1 hash:	f7d847beafb523257f36b88e2f9529fe9f1c6833
MD5 hash:	a7b1c14b2ab638fc017943b01b739c60
humanhash:	india-chicken-hotel-bacon
File name:	HSBC CONFIRMATION SEPA 22.07.26 ASY.js
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	790'530 bytes
First seen:	2026-07-22 08:50:14 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	6144:249cELb31C2LTRhSt8eBaz8aQDY0oNXgqsLveNzltxCFzKsKMUF5/Qj7zHfAdlTN:J3M2J+aKig/qPMUFhQj7zHYdVB71Bn3
TLSH	T191F41AF323CF694B7D1573AE510D2E98CB59D0794E82A9C0F0EF02D45B0B15E9AA09BD
Magika	javascript
Reporter	abuse_ch
Tags:	AsyncRAT js RAT

abuse_ch

AsyncRAT C2:
217.60.241.34:6606

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
217.60.241.34:6606	https://threatfox.abuse.ch/ioc/1855221/

Intelligence

File Origin

# of uploads :

# of downloads :

195

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm aspnet_compiler base64 base64 cscript downloader encrypted evasive evasive fingerprint lolbin obfuscated obfuscated powershell reconnaissance repaired taskkill wscript

Link:

https://www.filescan.io/uploads/6a6084655da3c5ff37fd1c4a/reports/614e7a03-8508-4b7d-9cba-975293b69bc8/overview

Verdict:

Suspicious

Labled as:

JS/Packed.Agent

Link:

https://www.hybrid-analysis.com/sample/40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef

Verdict:

Malicious

File Type:

First seen:

2026-07-22T05:33:00Z UTC

Last seen:

2026-07-23T22:41:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef/results?tab=lookup

Result

Threat name:

AsyncRAT, FormBook, zgRAT

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1946404

Signature

.NET source code contains method to dynamically call methods (often used by packers)

Binary is likely a compiled AutoIt script file

Bypasses PowerShell execution policy

Found direct / indirect Syscall (likely to bypass EDR)

Found malware configuration

Injects a PE file into a foreign processes

JavaScript file contains suspicious strings

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

Joe Sandbox ML detected suspicious sample

JScript performs obfuscated calls to suspicious functions

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sample uses string decryption to hide its real strings

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

Switches to a custom stack to bypass stack traces

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Unusual module load detection (module proxying)

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

Writes to foreign memory regions

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

Wscript starts Powershell (via cmd or directly)

Yara detected AntiVM3

Yara detected AsyncRAT

Yara detected FormBook

Yara detected Generic Downloader

Yara detected Powershell decode and execute

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef

Gathering data

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2026-07-22 08:50:54 UTC

File Type:

Text (JavaScript)

AV detection:

9 of 24 (37.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ic4v55jbnejgwnzs2fcht4kjo4k6yd236g6g7uaqigeppei7l7xq._file

Verdict:

malicious

Label(s):

FantomCrypt

Link:

https://reports.threatray.com/0305b3d3-e696-484d-a1e2-b238e5a43d8b

AsyncRAT

54b9d9759b027948b92071a241700d5dbd6af84e170b9b9ec169644999a27758

AsyncRAT

5ab72e32ef36ea8da0a00c6e1959ad1750a379d007763292ef0fd8709250d78b

AsyncRAT

65205e741e0cc2e843bffc6f31b80aa32a928c5898c4f78f8d6b60898bbc2217

AsyncRAT

a1686d5d1d512419648bfd4671e622ec1de5151bf609a17c6efe47b6db7b8dd0

AsyncRAT

ae9f0254a4602feb744185aa145e7ddd95f33d35c1834f0e0799c73fefb064d9

AsyncRAT

fdb303b02f5df45bb8dd15d10fe9f15aee73e3179aaac9398413fb3874ab68c2

AsyncRAT

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default defense_evasion discovery execution rat suricata

Link:

https://tria.ge/reports/260722-krzllsyvgt/

Behaviour

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Family: AsyncRat

Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

Malware Config

C2 Extraction:

217.60.241.34:6606
217.60.241.34:7707
217.60.241.34:8808

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/40b95ef52169126b3732d14479f1497715ec0f5bf1bc6fd0104188f7911f5fef

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:	Base64_Encoded_Powershell_Directives Create hunting rule

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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:	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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