MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5b3c39341d2a8d11bcb0faed02ae6aefab6d662715488b718a44647f7f828538. 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
| SHA256 hash: | 5b3c39341d2a8d11bcb0faed02ae6aefab6d662715488b718a44647f7f828538 |
|---|---|
| SHA3-384 hash: | a132a2a92b85a25a4cb4284583be955d2759ac4c4e438eb6e3aa4efe54f2b5f4c00d606e0bcff46ede29a6523a45ec72 |
| SHA1 hash: | eccfed3c27bc822c6e2139351cbd35864a0b5703 |
| MD5 hash: | 83665df51f0e36328fc9d0b7975ad3a8 |
| humanhash: | september-delta-cardinal-muppet |
| File name: | SecurityHealthSystray.vbs |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 665'760 bytes |
| First seen: | 2025-06-30 13:59:15 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 12288:F1hunUW9nYqRias804M/yX1hunUW9nYqRias804M/U:LhuUFqS80V6huUFqS80Vs |
| Threatray | 1'698 similar samples on MalwareBazaar |
| TLSH | T15AE4E0CF6D49A688441272FA6818C152F2CD87EA7312DB62FDBCC45533A58F8C5AF391 |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
67
Origin country :
SEVendor Threat Intelligence
Detection:
n/a
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
Labled as:
GT:VB.Honolulu.1
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Found suspicious powershell code related to unpacking or dynamic code loading
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
54%
Verdict:
Susipicious
File Type:
SCRIPT
Verdict:
Malware
YARA:
4 match(es)
Tags:
DeObfuscated Html Obfuscated Scripting.FileSystemObject T1059.005 VBScript VBScripting.Includer WScript.Shell
Threat name:
Script-WScript.Trojan.Honolulu
Status:
Malicious
First seen:
2025-06-29 11:07:21 UTC
File Type:
Text (VBS)
AV detection:
4 of 36 (11.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'688 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:newsstartup discovery execution rat
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
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
securityhealthsystray.duckdns.org:9000
Dropper Extraction:
https://archive.org/download/wp4096799-lost-in-space-wallpapers_20250624_1601/wp4096799-lost-in-space-wallpapers.jpg
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.08
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 |
|---|---|
| Author: | daniyyell |
| Description: | Detects tiny VBS delivery technique |
| Rule name: | html_auto_download_b64 |
|---|---|
| Author: | Tdawg |
| Description: | html auto download |
| 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
Delivery method
Distributed via web download
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