MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 495dba44039315841568fb47d0d1a0bab798f4ff258286e1c79133fa643afd72. 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



AsyncRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 495dba44039315841568fb47d0d1a0bab798f4ff258286e1c79133fa643afd72
SHA3-384 hash: c9900178221a3d0482fb55791c49bc5f9bfce1b6576297ce128c0e16afe1b7aec9629e9898951d74daa4a3043012730b
SHA1 hash: a0b2981ebd50b4b00dc98260547346ccd358f9b2
MD5 hash: 182a3502903db1683eb975a4bd076205
humanhash: venus-ten-two-foxtrot
File name:WMIEventLogs.js
Download: download sample
Signature AsyncRAT
File size:2'176'684 bytes
First seen:2025-10-03 06:47:08 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:4ut9SaiUq+TqPDLut9SaiUq+TqPDTut9SaiUq+TqPDx:4ooq0ooqwooqa
TLSH T180A585427F8B2B5477A06D32F34969D258519B23F942A034B1D7C1F3B836B92C568FB2
Magika scss
Reporter abuse_ch
Tags:AsyncRAT js

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
File Type:
js
First seen:
2025-10-03T04:07:00Z UTC
Last seen:
2025-10-04T03:28:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
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
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:respaldo sept discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Process spawned unexpected child process
Malware Config
C2 Extraction:
noseasapo.ydns.eu:1000
Dropper Extraction:
https://archive.org/download/optimized_msi_20251002_2352/optimized_MSI.png
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.

Web download

AsyncRAT

Java Script (JS) js 495dba44039315841568fb47d0d1a0bab798f4ff258286e1c79133fa643afd72

(this sample)

  
Delivery method
Distributed via web download

Comments