MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345. 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 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345
SHA3-384 hash: 18466265bf53d2747c94a751b7e1d542b23c38ee8a17da44cdca944cc05a1a9a1f23ac2b55dc5c9838483cb56ef5ec61
SHA1 hash: fd6b170f884b7a7e6dd9d1def2e0172780423356
MD5 hash: f21e8cb7249af83ffea8f949dca6c2c8
humanhash: october-hotel-comet-juliet
File name:Quotation_specification.js
Download: download sample
Signature MassLogger
Create hunting rule
File size:2'438'913 bytes
First seen:2026-08-26 07:50:58 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:B11gcY+xwhdLe6lTViXQdS6J30+rbgiDEDFi9bSVr3XOJfq6BbU0b38yjtsfOPLK:bCdLrVpL5VgUEkyTOJfq+LbXL+JOMz
TLSH T127B5F8A37AEFA9059956B636905C4C4E4B838E252F8365D434EF49FC971F0460AC0EBF
Magika javascript
Reporter abuse_ch
Tags:js MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-vm encrypted evasive fingerprint obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6a8e9b029d72bfc38c5a23fd/reports/1741893e-6429-4a9c-b015-f3e854958d83/overview
Verdict:
Malicious
Labled as:
Trojan.AgentTesla.JS
Link:
https://www.hybrid-analysis.com/sample/43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345
Verdict:
Malicious
File Type:
text
First seen:
2026-08-25T22:29:00Z UTC
Last seen:
2026-08-27T06:01:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345/results?tab=lookup
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1963910
Signature
Bypasses PowerShell execution policy
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 Powershell decode and execute
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1963910 Sample: Quotation_specification.js Startdate: 26/08/2026 Architecture: WINDOWS Score: 100 37 reallyfreegeoip.org 2->37 39 api.telegram.org 2->39 41 2 other IPs or domains 2->41 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 57 9 other signatures 2->57 8 wscript.exe 3 2->8         started        signatures3 53 Tries to detect the country of the analysis system (by using the IP) 37->53 55 Uses the Telegram API (likely for C&C communication) 39->55 process4 file5 29 C:\Temp\ps_tkTiiBvoFdou_1787733830168.ps1, ASCII 8->29 dropped 59 JScript performs obfuscated calls to suspicious functions 8->59 61 Suspicious powershell command line found 8->61 63 Wscript starts Powershell (via cmd or directly) 8->63 65 4 other signatures 8->65 12 powershell.exe 16 8->12         started        15 taskkill.exe 1 8->15         started        signatures6 process7 signatures8 67 Writes to foreign memory regions 12->67 69 Injects a PE file into a foreign processes 12->69 17 aspnet_compiler.exe 15 2 12->17         started        21 conhost.exe 12->21         started        23 aspnet_compiler.exe 12->23         started        27 6 other processes 12->27 25 conhost.exe 15->25         started        process9 dnsIp10 31 api.telegram.org 149.154.166.110, 443, 49748 TELEGRAMVG United Kingdom 17->31 33 checkip.dyndns.com 193.122.130.0, 49732, 49734, 49736 ORACLE-BMC-31898-OracleCorporationUS United States 17->33 35 reallyfreegeoip.org 104.21.67.152, 443, 49733, 49735 CLOUDFLARENET-CloudflareIncUS Canada 17->35 43 Tries to steal Mail credentials (via file / registry access) 17->43 45 Tries to harvest and steal browser information (history, passwords, etc) 17->45 signatures11
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345/
Threat name:
Script-JS.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-08-26 01:26:41 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ipbcoq7lzwi7gwa6jlkibbqkrmwojzbk7ibp6kvxp4orchhccncq._file
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection defense_evasion discovery execution keylogger stealer
Link:
https://tria.ge/reports/260826-jp31ksal6y/
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
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
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/43c22743ebcd91f3581e4ad480860a8b2ce4e42afa02ff2ab77f1d111ce21345

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:Base64_Encoded_Powershell_Directives
Create hunting rule
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: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_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.

Comments