MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b62793039aad5767efff78f417b229fa730babc94cc3a77dd20eabc21d3913af. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments

SHA256 hash: b62793039aad5767efff78f417b229fa730babc94cc3a77dd20eabc21d3913af
SHA3-384 hash: d368f8944ba5b9d684be428ef9fb2a9cebe73c24ae293caeaa3482153ae6b6969767f629aaf359ec128030d4a48b4a57
SHA1 hash: 4bda7ef35e4f87c6ae0d7861a1fef07fe171ca06
MD5 hash: 5034e1b0e08130242082ee6c6160a2c0
humanhash: apart-vegan-freddie-crazy
File name:sostener.vbs
Download: download sample
File size:386'008 bytes
First seen:2025-09-19 06:30:31 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:0sssssssssssssssssvsssssssssssssssssGsssssssssssssssssvsssssssst:nA
TLSH T1E98414EBCAE6B30F17F1754C3C6693BA41922BA5DC489CC26A4749337B4FCA48743691
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated powershell
Verdict:
Malicious
File Type:
vbs
First seen:
2025-09-18T20:56:00Z UTC
Last seen:
2025-09-18T20:56:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Encrypted powershell cmdline option found
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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
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 Generic Downloader
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780506 Sample: sostener.vbs Startdate: 19/09/2025 Architecture: WINDOWS Score: 100 26 dpaste.com 2->26 28 webapp-837091.pythonanywhere.com 2->28 30 4 other IPs or domains 2->30 36 Malicious sample detected (through community Yara rule) 2->36 38 Yara detected Powershell download and execute 2->38 40 .NET source code contains potential unpacker 2->40 44 7 other signatures 2->44 9 wscript.exe 1 2->9         started        signatures3 42 Connects to a pastebin service (likely for C&C) 26->42 process4 signatures5 46 VBScript performs obfuscated calls to suspicious functions 9->46 48 Suspicious powershell command line found 9->48 50 Wscript starts Powershell (via cmd or directly) 9->50 52 2 other signatures 9->52 12 powershell.exe 7 9->12         started        process6 signatures7 54 Suspicious powershell command line found 12->54 56 Encrypted powershell cmdline option found 12->56 58 Bypasses PowerShell execution policy 12->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 12->60 15 powershell.exe 14 17 12->15         started        19 conhost.exe 12->19         started        process8 dnsIp9 34 webapp-837091.pythonanywhere.com 35.173.69.207, 443, 49690 AMAZON-AESUS United States 15->34 24 C:\Users\user\AppData\Local\Temp\DvVbs.ps1, Unicode 15->24 dropped 21 powershell.exe 12 15->21         started        file10 process11 dnsIp12 32 dpaste.org 104.20.36.119, 443, 49691 CLOUDFLARENETUS United States 21->32
Verdict:
Malware
YARA:
2 match(es)
Tags:
DeObfuscated PowerShell VBScript WScript.Shell
Threat name:
Script-WScript.Downloader.AsyncRAT
Status:
Malicious
First seen:
2025-09-18 23:13:56 UTC
File Type:
Text (VBS)
AV detection:
7 of 38 (18.42%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Badlisted process makes network request
Malware Config
Dropper Extraction:
https://dpaste.com/66QJ5LZEE.txt
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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

Visual Basic Script (vbs) vbs b62793039aad5767efff78f417b229fa730babc94cc3a77dd20eabc21d3913af

(this sample)

Comments