MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248. 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


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248
SHA3-384 hash: 4ea728ddd9d83f494aaed3634cefc1a6f4655be12a2de7e5050ecdce1d0f8620fc547e9d14c0291679b87efed23a10d5
SHA1 hash: b0bed92c1b99be8273a50b166473ef6ca47cffa1
MD5 hash: 51bc559cc43b4d1e973d5bda73540c01
humanhash: shade-illinois-freddie-one
File name:31agosto.vbs
Download: download sample
File size:142'153 bytes
First seen:2025-06-13 06:27:42 UTC
Last seen:2025-06-13 06:44:09 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:C8G7Ezb/rgGpRrjDJkCkRFklYBtyo9hxUmleC3N:pGCgGpdDJkCkRFkCyEheXmN
TLSH T111D32F1F5F111D631BBB17A2481EA8D6ED80167704148D103A7CBCBC1F35E59AEEB2AB
Magika vba
Reporter abuse_ch
Tags:vbs

Intelligence

File Origin
# of uploads :
4
# of downloads :
53
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9279/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684bc6f78bd5d68a12e861d0
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1713883
Signature
Bypasses PowerShell execution policy
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
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
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: 1713883 Sample: 31agosto.vbs Startdate: 13/06/2025 Architecture: WINDOWS Score: 100 32 dn721404.ca.archive.org 2->32 34 cdn.discordapp.com 2->34 36 2 other IPs or domains 2->36 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected UAC Bypass using CMSTP 2->50 52 13 other signatures 2->52 9 wscript.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        15 OpenWith.exe 18 5 2->15         started        17 OpenWith.exe 5 2->17         started        signatures3 process4 dnsIp5 58 VBScript performs obfuscated calls to suspicious functions 9->58 60 Suspicious powershell command line found 9->60 62 Wscript starts Powershell (via cmd or directly) 9->62 64 2 other signatures 9->64 19 powershell.exe 15 17 9->19         started        44 127.0.0.1 unknown unknown 12->44 signatures6 process7 dnsIp8 38 archive.org 207.241.224.2, 443, 49686 INTERNET-ARCHIVEUS United States 19->38 40 dn721404.ca.archive.org 204.62.246.237, 443, 49687 COGENT-174US United States 19->40 42 cdn.discordapp.com 162.159.133.233, 443, 49692 CLOUDFLARENETUS United States 19->42 54 Found Tor onion address 19->54 56 Found suspicious powershell code related to unpacking or dynamic code loading 19->56 23 cmd.exe 2 19->23         started        26 conhost.exe 19->26         started        signatures9 process10 file11 30 C:\Users\Public\Downloads\Loretta, data 23->30 dropped 28 conhost.exe 23->28         started        process12
Score:
45%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248/
Threat name:
Script.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-06-13 06:31:44 UTC
File Type:
Text (VBS)
AV detection:
4 of 38 (10.53%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cq52o3ghv2wokjp4m25p6g6ijondei7waski4lg3q74leudy2jea._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/250613-g8nnwsap5v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
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/143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248

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
Rule name:without_attachments
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information

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

Web download

Visual Basic Script (vbs) vbs 143ba76cc7aeace525fc66baff1bc84b9a3223f604948e2cdb87f8b25078d248

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560169/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/9279/

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