MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1543674e63388eb2c4c4c7e7068bf2eec96fadf8a145a9a89aaf4d41cd37c84e. 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: 1543674e63388eb2c4c4c7e7068bf2eec96fadf8a145a9a89aaf4d41cd37c84e
SHA3-384 hash: 483a4c516a1986894b9d5302cec5da68bc01f9065c6529ca77bde315fed0997067d312856ff4da6bf9554cb284b6e4ab
SHA1 hash: 5414bbfd1aeb747a83c0c4f0c40847bc3431a1aa
MD5 hash: c90047fc8f379d31ee0f5feaba38accb
humanhash: blue-pluto-black-finch
File name:WMIEventLogs.js
Download: download sample
Signature AsyncRAT
File size:778'592 bytes
First seen:2025-10-07 06:16:24 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:XvKA0hVaD4ptev+azHChWM58ulvKA0hVaD4ptev+azHChWM58uDvKA0hVaD4ptet:Xs3aBzxEs3aBzxGs3aBzxos3aBzxa
TLSH T148F48441DB9519D87DC449930862EAE77CBE61732C8838F5C2F28BA9F43A5F38946077
Magika txt
Reporter abuse_ch
Tags:AsyncRAT js

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated obfuscated overlay powershell
Verdict:
Malicious
File Type:
js
First seen:
2025-10-06T19:47:00Z UTC
Last seen:
2025-10-07T06:21:00Z 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
Threat name:
Text.Trojan.Generic
Status:
Suspicious
First seen:
2025-10-07 06:17:37 UTC
File Type:
Text (JavaScript)
AV detection:
3 of 24 (12.50%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:oct respaldo 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:
securityhealthservice.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 1543674e63388eb2c4c4c7e7068bf2eec96fadf8a145a9a89aaf4d41cd37c84e

(this sample)

  
Delivery method
Distributed via web download

Comments