MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 918ef143a0fc3452fd12112b8df69fc7a64ecbe2644e755adabece5e37a8833c. 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
| SHA256 hash: | 918ef143a0fc3452fd12112b8df69fc7a64ecbe2644e755adabece5e37a8833c |
|---|---|
| SHA3-384 hash: | 13a5b64d274c9a5557c22851c8d947d7598d7c94aace1fe6888d77251199d3ea30c054b4d76e67c9ee733b7d1c9b3159 |
| SHA1 hash: | c9ff044985e5a300c663e0e4594919e2fe4406a1 |
| MD5 hash: | 2a906ab5f23cfbf3373bcfa4472ef296 |
| humanhash: | nebraska-winner-shade-steak |
| File name: | RFQ_983ZPOH0000941.vbs |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'609'460 bytes |
| First seen: | 2026-08-05 04:52:24 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 12288:2VhvGt6kLUS4yBb683zeejpl8XqdSq0h6p6QZc3AOrLgDkJyHpdOODymvbcW2lIx:66zB05QHDkBPlt2jTKP3KUgKyICsxAaM |
| TLSH | T1497538283DFB902A71B3EE558ED479EBDA5FB7B33B0654691090034A4B13941EDC263E |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | vba |
| Reporter |  threatcat_ch |
| Tags: | MassLogger vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
80
Origin country :
CHVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
downloader obfuscated
Verdict:
Malicious
Labled as:
VBS/Agent.CXC
Verdict:
Malicious
File Type:
vbs
First seen:
2026-08-04T22:36:00Z UTC
Last seen:
2026-08-07T03:10:00Z UTC
Hits:
~1000
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
75%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated T1027 T1059.005 VBScript
Threat name:
Script.Trojan.Heuristic
Status:
Malicious
First seen:
2026-08-05 04:53:38 UTC
File Type:
Text (VBS)
AV detection:
8 of 38 (21.05%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
NovaStealer
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection defense_evasion discovery execution persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Executes a VBScript file via the Windows Script Host.
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
Family: MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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