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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76b892f831777c399b0e75595ce0937a894d5dacf79b26503590e26dc44e6354. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 76b892f831777c399b0e75595ce0937a894d5dacf79b26503590e26dc44e6354
SHA3-384 hash: 2f0197c06a6aaae4c7034b4ef301609be767a78f1f1de3124cfb6977609ed231645f19d57ae409c4d6559cbb18b54d49
SHA1 hash: 7ef5e69ea16431ef0fca91da5986fbcd048169f7
MD5 hash: 4f8fc3c3650bb0252ad4e09b2d0b00dd
humanhash: oregon-vermont-dakota-nebraska
File name:N°BCF122025.vbe
Download: download sample
Signature MassLogger
File size:1'085'470 bytes
First seen:2025-05-27 14:58:39 UTC
Last seen:Never
File type:Visual Basic Script (vbe) vbe
MIME type:application/octet-stream
ssdeep 6144:t+dJCHKocHTMeqaQOZZLNFc65hiy0nFJItGl1GZ5MGFmR/2bQZOYsdNAMoUM6gPA:UYl1IxHTmMIv9lyMxHuEINB7rPMFa9l
TLSH T1C035C45C9070A9D3A014FDF4F551AF97CCDB239416278A421FD5A1AD23268C3FFAA2E1
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika unknown
Reporter abuse_ch
Tags:MassLogger vbe

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
obfuscate xtreme virus
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes or reads registry keys via WMI
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699924 Sample: N#U00b0BCF122025.vbe Startdate: 27/05/2025 Architecture: WINDOWS Score: 100 33 reallyfreegeoip.org 2->33 35 checkip.dyndns.org 2->35 37 checkip.dyndns.com 2->37 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 55 11 other signatures 2->55 8 wscript.exe 18 2 2->8         started        12 wscript.exe 2->12         started        14 wscript.exe 2->14         started        signatures3 53 Tries to detect the country of the analysis system (by using the IP) 33->53 process4 file5 31 C:\Users\user\AppData\...\HatENvWRDulEDOD.vbs, ASCII 8->31 dropped 61 Suspicious powershell command line found 8->61 63 Wscript starts Powershell (via cmd or directly) 8->63 65 Windows Shell Script Host drops VBS files 8->65 67 3 other signatures 8->67 16 powershell.exe 11 8->16         started        19 WmiPrvSE.exe 8->19         started        21 powershell.exe 12->21         started        signatures6 process7 signatures8 43 Writes to foreign memory regions 16->43 45 Injects a PE file into a foreign processes 16->45 23 AddInProcess32.exe 15 2 16->23         started        27 conhost.exe 16->27         started        29 conhost.exe 21->29         started        process9 dnsIp10 39 checkip.dyndns.com 132.226.247.73, 49694, 80 UTMEMUS United States 23->39 41 reallyfreegeoip.org 104.21.16.1, 443, 49696 CLOUDFLARENETUS United States 23->41 57 Tries to steal Mail credentials (via file / registry access) 23->57 59 Tries to harvest and steal browser information (history, passwords, etc) 23->59 signatures11
Threat name:
Script.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-27 11:24:46 UTC
File Type:
Binary
AV detection:
4 of 24 (16.67%)
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
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
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
MassLogger
Masslogger family
Malware family:
MassLogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments