MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b44667a41735a6ef7b5f0a5da1146a7a92d1ab053de189483fc5b039f735505. 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 1 File information Comments

SHA256 hash: 1b44667a41735a6ef7b5f0a5da1146a7a92d1ab053de189483fc5b039f735505
SHA3-384 hash: c978534fd121a2c8968e8a7359108a04a4ce7eeea78d3c9fe617004a5b53bc486651070b2f915230d58a811c7c44cf27
SHA1 hash: 34c8557b990a7bf20ccc9497aa82b80a96a7805e
MD5 hash: f57daa8141bca737460d4c241dfe2151
humanhash: finch-eleven-dakota-nine
File name:dekont.pdf.vbs
Download: download sample
Signature MassLogger
File size:1'187'435 bytes
First seen:2026-02-10 12:16:50 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:cKjT5BOyVTRVstB5F1GIF1VhVeHLTrF1YzhuKcEX7qKnnKQoBAlOuB4swj9UI5PN:Z6PF1lF1EHLF1b9GHI
Threatray 1'451 similar samples on MalwareBazaar
TLSH T1CF45450B6563D714F917F180343930ACBEC91499F068AB5C6C3BD1A5E6BF28856B48FB
Magika txt
Reporter lowmal3
Tags:MassLogger vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 base64 fingerprint masquerade obfuscated obfuscated overlay powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2026-02-10T08:52:00Z UTC
Last seen:
2026-02-12T10:15:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Zapchast.bhgd Trojan.JS.SAgent.sb HEUR:Trojan.Win32.Agentb.gen HEUR:Trojan.Script.Generic BSS:Trojan.Win32.Generic
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
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: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
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 an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1866653 Sample: dekont.pdf.vbs Startdate: 10/02/2026 Architecture: WINDOWS Score: 100 21 reallyfreegeoip.org 2->21 23 ugurhuseyn.az 2->23 25 4 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 13 other signatures 2->47 8 wscript.exe 2->8         started        signatures3 45 Tries to detect the country of the analysis system (by using the IP) 21->45 process4 signatures5 49 Suspicious powershell command line found 8->49 51 Wscript starts Powershell (via cmd or directly) 8->51 53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->53 55 2 other signatures 8->55 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 27 ugurhuseyn.az 94.20.141.22, 443, 49694 DELTA-TELECOM-ASInternationalCommunicationOperatorAZ Azerbaijan 11->27 29 resc.cloudinary.com.cdn.cloudflare.net 104.16.79.6, 443, 49693 CLOUDFLARENETUS United States 11->29 57 Writes to foreign memory regions 11->57 59 Injects a PE file into a foreign processes 11->59 15 AddInProcess32.exe 15 2 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 31 checkip.dyndns.com 193.122.130.0, 49695, 80 ORACLE-BMC-31898US United States 15->31 33 reallyfreegeoip.org 104.21.67.152, 443, 49696 CLOUDFLARENETUS United States 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
Gathering data
Threat name:
Script-WScript.Trojan.Generic
Status:
Suspicious
First seen:
2026-02-10 12:17:34 UTC
File Type:
Binary
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://res.cloudinary.com/depimmwx8/image/upload/v1770578414/MSI_PRO_with_b64_tvu7as.jpg
Malware family:
MassLogger
Verdict:
Malicious
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:ClamAV_Emotet_String_Aggregate

File information


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

Malspam

MassLogger

Visual Basic Script (vbs) vbs 1b44667a41735a6ef7b5f0a5da1146a7a92d1ab053de189483fc5b039f735505

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments