MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74
SHA3-384 hash: e3cbc7d30e04a819ffa35cb483662fd057b0e1e365580d754085596560174a133354443d7e098a250cf8ead92a753331
SHA1 hash: d524823d102d4bb46d2411646f972f9f28238056
MD5 hash: 32a6135fd4eb65432340f6c647705d9d
humanhash: white-arkansas-march-one
File name:WMIEventLogs.js
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'572'630 bytes
First seen:2025-09-04 14:29:32 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:8yMG+VEMQ0qUtMwRmgryMQ0qUtMwRmFyMG+VEMQ0qUtMwRmgR:1MXEMBqUtZRkMBqUtZR/MXEMBqUtZRr
TLSH T1ABC5B4D3BB0F6B9901522D27E38DA6F3A054F22F55DDB4FE6A224561F03AD43C079A84
Magika scss
Reporter abuse_ch
Tags:AsyncRAT js

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b9a25c3e988eb6ab83af55
Tags:
obfuscate xtreme spawn
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74
Verdict:
Malicious
File Type:
js
First seen:
2025-09-04T08:18:00Z UTC
Last seen:
2025-09-04T08:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1771234
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:
Download SVG
Score:
89%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74/
Threat name:
Script-JS.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-09-04 14:32:28 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ain3qq7q4pvo6jjewfxekxl2wxp24j6tm7id3dadxj7zvntqjj2a._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:respaldo sept discovery execution rat
Link:
https://tria.ge/reports/250904-rxmybswxes/
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:
startmenuexperiencehostw.ydns.eu:1000
Dropper Extraction:
https://archive.org/download/optimized_msi_20250904/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74

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
Create hunting rule
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 021bb843f0e3eaef2524b16e455d7ab5dfae27d367d03d8c03ba7f9ab6704a74

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597685/
  
Delivery method
Distributed via web download

Comments