MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa. 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: 12

Intelligence 12 IOCs YARA 28 File information Comments

SHA256 hash:	bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa
SHA3-384 hash:	f6f0eff094f225a454df2cb798e95a951bd10f935742290e99203411915b3b51516513e4771ce1ea224ee0f70432b1f4
SHA1 hash:	7240840826f604ecc9b9d0692f170c485bbc32aa
MD5 hash:	006afa0146168845200f37f1dbcff257
humanhash:	bluebird-bravo-washington-ten
File name:	secured_stub.ps1
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	1'240'349 bytes
First seen:	2026-10-06 07:53:45 UTC
Last seen:	Never
File type:	ps1
MIME type:	text/plain
ssdeep	24576:CLI8AU/d0djOxLXTkvcWUrWbX3GL2PvJlAMqfLcCXLYrFLO5t:Gid6L4I2WQnA33Ehst
TLSH	T182452374804C66EA4D13A1F6F051B45AF5FA168B8A42534A23FCC7A93398460DBF7CB3
Magika	powershell
Reporter	abuse_ch
Tags:	MassLogger ps1

Intelligence

File Origin

# of uploads :

# of downloads :

242

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6acfb9b26f551121ba155798

Tags:

backdoor virus shell

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

aes aspnet_compiler base64 base64 crypto encrypted evasive lolbin obfuscated reconnaissance

Link:

https://www.filescan.io/uploads/6ac4a930803f6a39d83fb46a/reports/d2045a1f-5abe-405f-beac-9b4164373af2/overview

Verdict:

Malicious

Labled as:

PowerShell/TrojanDropper.Agent

Link:

https://www.hybrid-analysis.com/sample/bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa

Verdict:

Malicious

File Type:

ps1

First seen:

2026-10-06T05:02:00Z UTC

Last seen:

2026-10-07T03:31:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa/results?tab=lookup

Result

Threat name:

VIP Keylogger

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1982852

Signature

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

.NET source code references suspicious native API functions

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

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

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)

Writes to foreign memory regions

Yara detected Powershell decode and execute

Yara detected Telegram RAT

Yara detected VIP Keylogger

Behaviour

Behavior Graph:

Download SVG

Score:

78%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa/

Threat name:

Script-PowerShell.Trojan.MassLogger

Status:

Malicious

First seen:

2026-10-06 06:39:18 UTC

File Type:

Text (PowerShell)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=x7jxtwg3cytd75kstzed5psmu757qbi3rgmz4ytri7pkwt3vlh5a._file

Verdict:

malicious

Label(s):

FantomCrypt

VIPKeylogger

Link:

https://reports.threatray.com/77e9f93a-55da-4c2b-9bfd-92d5a5d382a2

Result

Malware family:

vipkeylogger

Score:

10/10

Tags:

family:vipkeylogger collection discovery execution keylogger stealer

Link:

https://tria.ge/reports/261006-jrnnnsvxby/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Browser Information Discovery

Command and Scripting Interpreter: PowerShell

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Enumerates connected drives

Looks up external IP address via web service

Family: VIPKeylogger

Malware Config

C2 Extraction:

https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137

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/bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa

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:	AgentTesla_Loader_PowerShell_AES Create hunting rule
Author:	Aldair Maihuiri
Description:	PowerShell AES-256-CBC loader that decrypts an embedded payload and executes it in memory via Invoke-Expression

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:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

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:	NETexecutableMicrosoft 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_Malware_XWorm_ForgeAuto_6b06c990_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects XWorm (pe, etat extrait)

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.

Web download

MassLogger

ps1 bfd379d8db16263ff5529e483ebe4ca7fbf8051b89999e627147deab4f7559fa

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3936829/

Delivery method

Distributed via web download

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