MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3
SHA3-384 hash: d36e8c029b69d3f1e2ff0ed03c9cf7bb3ce6eec1727223cdc525df78126b81e8ac28ff87f1c9da5dd3960e238b63ec8d
SHA1 hash: 680b84982145dcb8d59a07f8bdb85b985c768043
MD5 hash: 21c15b24037175a175e0d317d6a16253
humanhash: leopard-eleven-twelve-twelve
File name:31agosto.vbs
Download: download sample
File size:118'644 bytes
First seen:2025-06-18 06:48:14 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:w8V4GfbEzb/rgGpRrjDJkCkRFklYBtyo9hxUmleC3N:3VV6gGpdDJkCkRFkCyEheXmN
TLSH T17CC3D867AD06322109776BA7942FA82BEED512B3114544207FDCF8540F3139EEEF929B
Magika vba
Reporter abuse_ch
Tags:vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9983/
Gathering data
Verdict:
Malicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1717149
Signature
Bypasses PowerShell execution policy
Found suspicious powershell code related to unpacking or dynamic code loading
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: 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 Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1717149 Sample: 31agosto.vbs Startdate: 18/06/2025 Architecture: WINDOWS Score: 100 32 d2rf50u1p3jcpj.cloudfront.net 2->32 34 cdn.tagbox.io 2->34 36 2 other IPs or domains 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Powershell download and execute 2->48 50 10 other signatures 2->50 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 54 VBScript performs obfuscated calls to suspicious functions 9->54 56 Suspicious powershell command line found 9->56 58 Wscript starts Powershell (via cmd or directly) 9->58 60 2 other signatures 9->60 19 powershell.exe 15 17 9->19         started        42 127.0.0.1 unknown unknown 12->42 signatures6 process7 dnsIp8 38 cdn.discordapp.com 162.159.130.233, 443, 49687 CLOUDFLARENETUS United States 19->38 40 d2rf50u1p3jcpj.cloudfront.net 18.238.80.38, 443, 49684 AMAZON-02US United States 19->40 52 Found suspicious powershell code related to unpacking or dynamic code loading 19->52 23 cmd.exe 2 19->23         started        26 conhost.exe 19->26         started        signatures9 process10 file11 30 C:\Users\Public\Downloads\enteromphalus, data 23->30 dropped 28 conhost.exe 23->28         started        process12
Score:
28%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3
Threat name:
Script-WScript.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-06-18 06:52:35 UTC
File Type:
Text (VBS)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=75hms42onxcji72fzu3zc7h45tow7xulpesemhvgkbx6lstvqkrq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution persistence
Link:
https://tria.ge/reports/250618-hmttfsbr9t/
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
Malware Config
Dropper Extraction:
https://cdn.tagbox.io/assets/6850bda459dffb0011a76b02/a3edcbb7-06ae-4329-bf33-096c01a0636d---wp4096799-lost-in-space-wallpapers.jpg
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/ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3

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 ff4ec9734e6dc4947f45cd37917cfcecdd6fde8b7924461ea6506fe5ca7582a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560169/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/9983/

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