MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 690fec775cd64557e5dd6e930f3c7b073a89129baf5ca8e4fa92262cd2930bf9. 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 File information Comments

SHA256 hash: 690fec775cd64557e5dd6e930f3c7b073a89129baf5ca8e4fa92262cd2930bf9
SHA3-384 hash: 56106764e0e273c2e2bb150b57b8a0e870a3b320a71aac43133a4dd02f2a09fc8920202b8efa9262fea80212fe514f87
SHA1 hash: 217576319eab691c7ed5b8473b6251a8305a20b7
MD5 hash: e0265624af6c791700e7e6d8a585c5aa
humanhash: ink-mike-maryland-speaker
File name:comprobante de pago.js
Download: download sample
Signature MassLogger
File size:1'030'052 bytes
First seen:2026-08-07 10:18:38 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:TGv6BPd5cPTyhCzh0exdCEpkBFQZ1FoahM7Pa:TGylhkhBNyBF+/M+
TLSH T1A3252ADBB371035C184872CACABC6ECD2865FE92D114E76AFCB83787D20D659A181F16
Magika javascript
Reporter abuse_ch
Tags:js MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive forfiles lolbin repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-08-06T13:43:00Z UTC
Last seen:
2026-08-07T14:43:00Z UTC
Hits:
~100
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Found malware configuration
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1953914 Sample: comprobante de pago.js Startdate: 07/08/2026 Architecture: WINDOWS Score: 100 27 reallyfreegeoip.org 2->27 29 webmail.tribunalbcs.gob.mx 2->29 31 2 other IPs or domains 2->31 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 10 other signatures 2->47 9 wscript.exe 2 4 2->9         started        signatures3 45 Tries to detect the country of the analysis system (by using the IP) 27->45 process4 file5 25 C:\Users\user\AppData\Local\...\v6845.js, ASCII 9->25 dropped 51 JScript performs obfuscated calls to suspicious functions 9->51 53 Creates an undocumented autostart registry key 9->53 55 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->55 57 2 other signatures 9->57 13 forfiles.exe 1 9->13         started        signatures6 process7 process8 15 cmd.exe 1 13->15         started        17 conhost.exe 13->17         started        process9 19 powershell.exe 14 7 15->19         started        23 cmd.exe 1 15->23         started        dnsIp10 33 webmail.tribunalbcs.gob.mx 38.124.220.231, 49757, 587 PCONLINEMX Mexico 19->33 35 81.90.29.126, 443, 49753 GCS-ASGB Netherlands 19->35 37 2 other IPs or domains 19->37 49 Tries to harvest and steal browser information (history, passwords, etc) 19->49 signatures11
Gathering data
Threat name:
Text.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-06 20:42:46 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 23 (21.74%)
Threat level:
  5/5
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 WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Indirect Command Execution
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
Downloads MZ/PE file
Family: MassLogger
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.

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