MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a
SHA3-384 hash: 1f0b77a6acb8e6c8a92c17a98286d74941ae91be13b8f73537e84539ddb63086c5954435998aa345405f4fe2ce80f08a
SHA1 hash: 5622d54d26236e68fdd1e3eb2b4812f12be486c8
MD5 hash: 38daf3e4666187f19153e3c565f7bd63
humanhash: red-mobile-enemy-football
File name:Winlogon.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:230'451 bytes
First seen:2025-04-08 05:53:26 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:8fktZ3333333333333333333333333333333333333333333333333333333333X:805jFZU2
Threatray 1'681 similar samples on MalwareBazaar
TLSH T1EF344F8C028FF4349B4AEB6FD58F7487EF4A69EC99212810D6BC41C4E780775CBA49D9
Magika vba
Reporter abuse_ch
Tags:AsyncRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/1192/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4bb20e011fe619facf92d
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive powershell
Link:
https://www.filescan.io/uploads/67f4ba112d430c849e0c25d7/reports/8a0041a7-9b7a-4e6f-aa82-28b1fc46a4b4/overview
Verdict:
Malicious
Labled as:
Generik.HCZZKIG trojan
Link:
https://www.hybrid-analysis.com/sample/3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1658908
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
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)
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
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 AsyncRAT
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1658908 Sample: Winlogon.vbs Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 21 q32o084df.duckdns.org 2->21 23 paste.ee 2->23 25 2 other IPs or domains 2->25 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 45 14 other signatures 2->45 8 wscript.exe 1 2->8         started        signatures3 41 Uses dynamic DNS services 21->41 43 Connects to a pastebin service (likely for C&C) 23->43 process4 signatures5 47 VBScript performs obfuscated calls to suspicious functions 8->47 49 Suspicious powershell command line found 8->49 51 Wscript starts Powershell (via cmd or directly) 8->51 53 2 other signatures 8->53 11 powershell.exe 14 16 8->11         started        process6 dnsIp7 27 ia600705.us.archive.org 207.241.227.165, 443, 49719 INTERNET-ARCHIVEUS United States 11->27 29 paste.ee 23.186.113.60, 443, 49725 KLAYER-GLOBALNL Reserved 11->29 55 Found many strings related to Crypto-Wallets (likely being stolen) 11->55 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->57 59 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 15 MSBuild.exe 2 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 31 q32o084df.duckdns.org 191.93.113.197, 49726, 8000 ColombiaMovilCO Colombia 15->31 33 Found many strings related to Crypto-Wallets (likely being stolen) 15->33 signatures11
Score:
92%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hwtrmjrzdtl6aevguqdvurdd4vvph3vtqpvjsc6tw5csgxhbzy5a._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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d3f2fca06a2c1fa4292808c0531ed438b774ce0a0e77071af7a739325c448e2b
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de9dcf9f6ee4f1dd3a6ce3793a6da1e2393535e2ffb9dc8ad46972272a0b4ab1
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AsyncRAT
error
AsyncRAT
+ 1'671 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:tar3 discovery execution rat
Link:
https://tria.ge/reports/250408-gl5nwsx1ds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
q32o084df.duckdns.org:8000
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique

File information

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

Web download

AsyncRAT

Visual Basic Script (vbs) vbs 3da71626391cd7e012a6a4075a4463e56af3eeb383ea990bd3b745235ce1ce3a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3485957/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/1192/

Comments