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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb2e483cf44493e017dc676d8f4c239093155dc17b36db5bd1dc98dff17e97e9. 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 File information Comments

SHA256 hash: cb2e483cf44493e017dc676d8f4c239093155dc17b36db5bd1dc98dff17e97e9
SHA3-384 hash: d52a64afb1e48d0aae5ca473c064f25282b5e715fe76ba40114a13384661310b9f1e349e50e261cb132a7d6327b643aa
SHA1 hash: 63be99643e67fbffc6c1cb98c302c60424015621
MD5 hash: bc9db7aec73a3c92840402ddd1fa4209
humanhash: gee-pluto-sweet-robin
File name:ASTM36-8399367.js
Download: download sample
Signature AsyncRAT
File size:5'059'414 bytes
First seen:2026-09-24 05:40:21 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:Z63wmUgXdOr453D0P6WUncOi/IJU9fTA3CHIAlj+UsIjBUK83oyYG6cs9a1pXa73:a1krSKZbDiNUmTfTaD9RSRyxl
TLSH T1343649F8E020D17E9267FC93C1DFBF886DAD5D795EE1FE0A0248A140B51AE7058D6E81
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika txt
Reporter abuse_ch
Tags:AsyncRAT js

Intelligence


File Origin
# of uploads :
1
# of downloads :
230
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint powershell repaired
Verdict:
Malicious
File Type:
text
First seen:
2026-09-23T22:09:00Z UTC
Last seen:
2026-09-23T23:21:00Z UTC
Hits:
~10
Result
Threat name:
Dacic, StormKitty, VenomRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Dacic
Yara detected MSIL Injector
Yara detected Powershell decode and execute
Yara detected StormKitty Stealer
Yara detected VenomRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1977433 Sample: ASTM36-8399367.js Startdate: 24/09/2026 Architecture: WINDOWS Score: 100 41 activegrp.co.za 2->41 43 pki-goog.l.google.com 2->43 45 3 other IPs or domains 2->45 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 21 other signatures 2->61 8 powershell.exe 14 7 2->8         started        12 wscript.exe 7 2 2->12         started        15 wscript.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 49 activegrp.co.za 154.0.175.57, 443, 49711, 49714 AFRIHOST-SPZA South Africa 8->49 73 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->73 75 Writes to foreign memory regions 8->75 77 Injects a PE file into a foreign processes 8->77 19 MSBuild.exe 3 28 8->19         started        24 conhost.exe 8->24         started        26 MSBuild.exe 8->26         started        39 C:\Users\Public\Downloads\fLoYcPgTLs.js, Unicode 12->39 dropped 79 Suspicious powershell command line found 12->79 81 Wscript starts Powershell (via cmd or directly) 12->81 83 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->83 85 3 other signatures 12->85 28 powershell.exe 15->28         started        51 127.0.0.1 unknown unknown 17->51 30 conhost.exe 17->30         started        file6 signatures7 process8 dnsIp9 47 195.177.94.173, 49715, 49716, 49717 STELLARGROUPSASFR France 19->47 37 C:\Users\user\AppData\Roaming\MSBuild.exe, PE32 19->37 dropped 63 Tries to harvest and steal browser information (history, passwords, etc) 19->63 65 Installs a global keyboard hook 19->65 67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 26->67 69 Writes to foreign memory regions 28->69 71 Injects a PE file into a foreign processes 28->71 32 conhost.exe 28->32         started        35 MSBuild.exe 3 28->35         started        file10 signatures11 process12 signatures13 53 Installs a global keyboard hook 32->53
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-09-24 05:41:16 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
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.

Comments