MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09
SHA3-384 hash: 8cec5d85ab19e262e0ed0d752440d38a0bdd569db7ca38d0ec47110330b9ad5695d25a042a73d71e9f71a38a2cbd0eaa
SHA1 hash: b144e24a96da3441e0d158cf1030680ee00cb3ec
MD5 hash: 49757e4906f091001247cc6c00a73ee9
humanhash: undress-neptune-november-arizona
File name:svchost.vbs
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:4'867'672 bytes
First seen:2025-10-10 08:54:34 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 96:GRRRwRRRRRwwRRRwwRRRwRRRRRwwRRRwRRRRRwwRRRwRRRRRwwRRRwRRRRRwwRRz:Jog9dObS7XWASNrfZimxBtKV
Threatray 1'590 similar samples on MalwareBazaar
TLSH T16136261225796C0D74A01E8A54F2D521B6D4552A097838DE8FCFDF34CB5BBC0BAB2AF1
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:AsyncRAT RAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32268/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e8ca0d777ae46bec40f773
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated powershell
Link:
https://www.filescan.io/uploads/68e8ca2e4f3013c55e495565/reports/0686e813-32ce-4cf6-8229-fa87324ae5f3/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09
Verdict:
Malicious
File Type:
unknown
First seen:
2025-10-09T14:17:00Z UTC
Last seen:
2025-10-12T03:45:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09/results?tab=lookup
Result
Threat name:
AsyncRAT, Dacic, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1792702
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
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: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
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
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 AsyncRAT
Yara detected Dacic
Yara detected DcRat
Yara detected Generic Downloader
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1792702 Sample: svchost.vbs Startdate: 10/10/2025 Architecture: WINDOWS Score: 100 36 reservasdelmar888.duckdns.org 2->36 38 bg.microsoft.map.fastly.net 2->38 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 13 other signatures 2->60 10 wscript.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 58 Uses dynamic DNS services 36->58 process4 dnsIp5 68 Suspicious powershell command line found 10->68 70 Wscript starts Powershell (via cmd or directly) 10->70 72 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->72 74 Suspicious execution chain found 10->74 16 powershell.exe 7 10->16         started        42 127.0.0.1 unknown unknown 13->42 signatures6 process7 signatures8 44 Suspicious powershell command line found 16->44 46 Encrypted powershell cmdline option found 16->46 48 Bypasses PowerShell execution policy 16->48 50 Found suspicious powershell code related to unpacking or dynamic code loading 16->50 19 powershell.exe 14 17 16->19         started        22 conhost.exe 16->22         started        process9 file10 34 C:\Users\user\AppData\Local\Temp\DvVbs.ps1, Unicode 19->34 dropped 24 powershell.exe 11 19->24         started        process11 signatures12 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 24->62 64 Writes to foreign memory regions 24->64 66 Injects a PE file into a foreign processes 24->66 27 MSBuild.exe 2 24->27         started        30 MSBuild.exe 24->30         started        32 MSBuild.exe 24->32         started        process13 dnsIp14 40 reservasdelmar888.duckdns.org 192.169.69.26, 1111, 49683, 49687 WOWUS United States 27->40
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated PowerShell VBScript WScript.Shell
Link:
https://app.malva.re/file/49757e4906f091001247cc6c00a73ee9
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09/
Verdict:
Malicious
Threat:
Trojan.Script
Link:
https://tip.neiki.dev/file/4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09
Threat name:
Script-WScript.Trojan.Honolulu
Create hunting rule
Status:
Malicious
First seen:
2025-10-09 19:58:02 UTC
File Type:
Text (VBS)
AV detection:
4 of 24 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvhvpcxueji34bf2wi6plpn4lqlyhxdkdyl7gryi6gnxs45ezueq._file
Verdict:
malicious
Label(s):
dcrat
Create hunting rule
Similar samples:
270f45d4dadced58852636cd091aa5ba0ca1e54f412ac17d8e807b2e1db1de5c
AsyncRAT
62e65ddf448f62409bf2b252a1dda1c300de21fb0fff06ab07903360f301c1b5
AsyncRAT
8241aace260f291c8b39eb96c220a6ef7603cd6fb09a0767f16fb218c34a7840
AsyncRAT
c1129d126820d0b83ec14389944fd8a7ade95e6a980245d37b904623183ddbf1
AsyncRAT
cf668403c5a5d408a2c655ea78f0cd85a9fdd02874fbe62ded2c63c60b9352d8
AsyncRAT
d7c2934b23d03ce5bd00a576024299eb70e3f60f5dab8bf65c1f7aacf419df9f
AsyncRAT
dd351746a9cb17a99e8bd6724cc75a1727dfad4070fcd21ebf2da478e282fd89
AsyncRAT
error
AsyncRAT
fed260507508e3c24632800ee2cd39e9c401cf6f84ebe3467979857cec2dfe9c
AsyncRAT
+ 1'580 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:medellin2 discovery execution rat
Link:
https://tria.ge/reports/251010-kv3gnsw1bx/
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
Badlisted process makes network request
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
reservasdelmar888.duckdns.org:1111
Dropper Extraction:
https://firebasestorage.googleapis.com/v0/b/loloer3434.firebasestorage.app/o/CIFRADO%20FFF3333%2Fdll3.txt?alt=media&token=64a412a4-56c8-4ae5-9594-a47bfdbd8d24
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/4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09

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

Visual Basic Script (vbs) vbs 4d4f578af42251be04bab23cf5bdbc5c1783dc6a1e17f34708f19b7973a4cd09

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3509101/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3509098/
Cape
Cape
https://www.capesandbox.com/analysis/32268/

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