MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66db625b80c4fd0725ac10e8d59fccf81b747dfa330041196fab74261a8aeb66. 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 1 File information Comments

SHA256 hash: 66db625b80c4fd0725ac10e8d59fccf81b747dfa330041196fab74261a8aeb66
SHA3-384 hash: a0067b990053fee08b8072a04b2c3333a019c76ffc32b3288d7142e7f98b9068be2bb0950a1d8c4919a064cbbd73f136
SHA1 hash: b0cec3c5fd422806978e47dab6cbcdff9b0e9a86
MD5 hash: f94f2b5381351541048644480c77790b
humanhash: edward-avocado-march-minnesota
File name:PO-2606-01.js
Download: download sample
Signature MassLogger
File size:3'246'120 bytes
First seen:2026-06-05 08:36:59 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:gWc2BLpoh8ekdvbb44irfSvPO04pt932FiYWAeoxxTwpfpuWirOxYTmmc296nX6a:dBc
TLSH T189E50EF7E9E9DF294C891393CDEA2FC65CD6D9AE59B29069B80CC7C13D870291432C61
Magika javascript
Reporter abuse_ch
Tags:js MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.2%
Tags:
cryxos remcos
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-04T13:29:00Z UTC
Last seen:
2026-06-06T22:13:00Z UTC
Hits:
~10
Detections:
Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Gathering data
Threat name:
Script-JS.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-06-04 19:21:51 UTC
File Type:
Binary
AV detection:
10 of 23 (43.48%)
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: JavaScript
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
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Process spawned unexpected child process
Malware Config
C2 Extraction:
https://api.telegram.org/bot8130225934:AAEyhcaCjU8efiL3IfiEzJIIBH2y4dJ4Vug/sendMessage?chat_id=8008584601
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: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)

File information


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

Comments