MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca62e31191f9abcbf923e723d363b1841ac7b20a6ca9da9345e7d4922ecb8fe3. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments

SHA256 hash: ca62e31191f9abcbf923e723d363b1841ac7b20a6ca9da9345e7d4922ecb8fe3
SHA3-384 hash: d5a9737366d56727258a93019d090b93ae72efb60b9f04fd4c61baad2aee9b322655a40cb541729a9dff09fc486b30b0
SHA1 hash: 302b13eb2664cadc40f48e76c6b65f10017ab92d
MD5 hash: cbdce5549da00366805b596bb5c9ac64
humanhash: gee-nine-utah-july
File name:mby77094.pdf.hta
Download: download sample
Signature MassLogger
File size:2'349'715 bytes
First seen:2026-07-20 07:45:22 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/plain
ssdeep 192:Up+IVa1386RrTGg+Qxk56q6GJsFsnGQGKi8:U3VaN8yrTGg+QkPJsslG98
TLSH T19CB58F30D79BD0C03C82C65AC1DCC9E8EFC54B6696FF352AB4DC3EE994D898454986B2
Magika javascript
Reporter lowmal3
Tags:hta MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
virus
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
https://misty-cherry-cea3.uploadsimg.workers.dev/SwXlc
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-07-16T07:48:00Z UTC
Last seen:
2026-07-22T04:33:00Z UTC
Hits:
~1000
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
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
Sigma detected: Suspicious MSHTA Child Process
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945117 Sample: mby77094.pdf.hta Startdate: 20/07/2026 Architecture: WINDOWS Score: 100 21 reallyfreegeoip.org 2->21 23 misty-cherry-cea3.uploadsimg.workers.dev 2->23 25 2 other IPs or domains 2->25 39 Suricata IDS alerts for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 47 9 other signatures 2->47 8 mshta.exe 1 2->8         started        signatures3 45 Tries to detect the country of the analysis system (by using the IP) 21->45 process4 signatures5 49 Creates processes via WMI 8->49 51 Detected large data written to user environment variables, potentially indicating payload staging for fileless execution 8->51 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 27 209.99.187.113, 49766, 80 SKN-NETWORK-1-SKNSubnetTelecomLtdKN United States 11->27 29 misty-cherry-cea3.uploadsimg.workers.dev 104.21.35.129, 443, 49762 CLOUDFLARENET-CloudflareIncUS Canada 11->29 53 Writes to foreign memory regions 11->53 55 Injects a PE file into a foreign processes 11->55 15 CasPol.exe 15 4 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 31 checkip.dyndns.com 132.226.8.169, 49767, 80 ORACLE-BMC-31898-OracleCorporationUS Japan 15->31 33 reallyfreegeoip.org 172.67.177.134, 443, 49768 CLOUDFLARENET-CloudflareIncUS Canada 15->33 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Tries to harvest and steal browser information (history, passwords, etc) 15->37 signatures11
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2026-07-16 11:11:12 UTC
File Type:
Binary
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Badlisted process makes network request
Family: MassLogger
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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
Author:vietdx.mb
Rule name:TelegramAPIMalware_PowerShell_EXE
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:VECT_Ransomware
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_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_dotnet_vb_stealer_rat
Author:Arrbat
Description:Detects .NET/VB executables with stealer/RAT capabilities (sockets, HTTP, processes, registry, etc).
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Malspam

MassLogger

HTML Application (hta) hta ca62e31191f9abcbf923e723d363b1841ac7b20a6ca9da9345e7d4922ecb8fe3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments