MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556. 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

MassLogger

Vendor detections: 10

Intelligence 10 IOCs YARA 23 File information Comments

SHA256 hash:	7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556
SHA3-384 hash:	799879b927b9a6aee648a82feb97b24a0910e17f5f72d3753d3dff7e72a05db5632dff40f3da84963dacc0f923f80b54
SHA1 hash:	f2d6c704ed221938833610df0ee0e234475849b8
MD5 hash:	43890126e4ed5d2fd26f86ce67bb9ee4
humanhash:	ten-king-river-pip
File name:	Τεχνικά φύλλα.js
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	2'411'289 bytes
First seen:	2026-09-15 12:54:32 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	12288:c6vBwQF5VwER4QDbpNihQpnt0St9uYc1z/Ut7rvLfC1Mgc3L+tJjUwR/VeQURH:LwQrX
TLSH	T1C8B5C6B230DA6ECB0C096165C00D595D0F2F91796AD7F6C598EF4BE8285FC4706C3EAA
Magika	javascript
Reporter	abuse_ch
Tags:	js MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

150

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated repaired

Link:

https://www.filescan.io/uploads/6aa94046fddcc14d5fe71092/reports/a19b560d-9831-4916-aef5-1b2a38a2757a/overview

Verdict:

Malicious

Labled as:

Trojan.AsyncRAT.JS

Link:

https://www.hybrid-analysis.com/sample/7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556

Verdict:

Malicious

File Type:

text

First seen:

2026-09-15T05:49:00Z UTC

Last seen:

2026-09-17T09:16:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556/results?tab=lookup

Result

Threat name:

ACR Stealer, Snake Keylogger, VIP Keylog

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1973176

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

AI detected malicious Powershell script

Bypasses PowerShell execution policy

Contains functionality to capture screen (.Net source)

Contains functionality to log keystrokes (.Net Source)

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

JScript performs obfuscated calls to suspicious functions

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Tries to detect the country of the analysis system (by using the IP)

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

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

Uses the Telegram API (likely for C&C communication)

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 ACR Stealer

Yara detected Powershell decode and execute

Yara detected Snake Keylogger

Yara detected Telegram RAT

Yara detected VIP Keylogger

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556/

Threat name:

Script-JS.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2026-09-15 12:55:20 UTC

File Type:

Text (JavaScript)

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=pj2dn66p2nmvzofzy55fxkllk6jezqbll2z5rop4yv56jmn3kvla._file

Result

Malware family:

vipkeylogger

Score:

10/10

Tags:

family:vipkeylogger collection defense_evasion discovery execution keylogger stealer

Link:

https://tria.ge/reports/260915-p54vpshl71/

Behaviour

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Browser Information Discovery

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

ConfuserEx .NET packer

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Family: VIPKeylogger

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/7a7436fbcfd3595cb8b9c77a5ba96b57924cc02b5eb3d8b9fcc57be4b1bb5556

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:	crime_snake_keylogger Create hunting rule
Author:	Rony (r0ny_123)
Description:	Detects Snake keylogger payload

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook Create hunting rule
Author:	ditekSHen
Description:	Detects executables with potential process hoocking

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	malware_SnakeKeylogger Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	Snake Keylogger (a.k.a. VIP Recovery)

Rule name:	MAL_Envrial_Jan18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	MAL_Envrial_Jan18_1_RID2D8C Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	masslogger_gcch Create hunting rule
Author:	govcert_ch

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

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	TelegramAPIMalware_PowerShell_EXE Create hunting rule
Author:	@polygonben
Description:	Hunting for pwsh malware using Telegram for C2

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

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:	VIPKeyLogger Create hunting rule
Author:	kevoreilly
Description:	Detects VIPKeyLogger Keylogger

Rule name:	Windows_Trojan_SnakeKeylogger_af3faa65 Create hunting rule
Author:	Elastic Security

Rule name:	win_dotnet_vb_stealer_rat Create hunting rule
Author:	Arrbat
Description:	Detects .NET/VB executables with stealer/RAT capabilities (sockets, HTTP, processes, registry, etc).

Rule name:	win_masslogger_w0 Create hunting rule
Author:	govcert_ch

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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