MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 781b9f29493f9cee0938a2bd263a75d91e8991187bf6f7cdf8a194dba0758a2e. 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: 5


Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash: 781b9f29493f9cee0938a2bd263a75d91e8991187bf6f7cdf8a194dba0758a2e
SHA3-384 hash: 1219b09aeb8d66a954fc4aa3dd69736ec9065e7845bdfe6f579b50cc3bfbf8c46ec6f79a2485c8211d85370b61dc9d2b
SHA1 hash: 46d3e39e4ed8754b8aa8bfc2bfc3d6cdddbb13df
MD5 hash: 7ec6403aadebe594bc294f7195feec05
humanhash: speaker-north-oven-island
File name:capcut-installer.exe.js
Download: download sample
File size:52'880'235 bytes
First seen:2025-02-08 17:49:06 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:C9ba8PgvHH8QPJR65dZWlH45qLKwZfpvOwMl34BYw4UoGB1IZ/Uiae3hY:C5a8m985dZWW5ODZfpvooBeHiIKiae3C
TLSH T152C74A760E09BF45D6250EF3264835D19C59FDDBA2C8C7CDFA892D1AE3E88027C981B5
Magika txt
Reporter aachum
Tags:js


Avatar
iamaachum
https://github.com/legendary6911331/java-test123/releases/download/java123/capcut-installer.exe.js

Intelligence


File Origin
# of uploads :
1
# of downloads :
470
Origin country :
ES ES
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscate shell sage
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Drops executables to the windows directory (C:\Windows) and starts them
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Base64 MZ Header In CommandLine
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Suspicious Invoke-WebRequest Execution
Sigma detected: TrustedPath UAC Bypass Pattern
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1610209 Sample: capcut-installer.exe.js Startdate: 08/02/2025 Architecture: WINDOWS Score: 100 89 x1.i.lencr.org 2->89 91 the.earth.li 2->91 93 2 other IPs or domains 2->93 99 Malicious sample detected (through community Yara rule) 2->99 101 Sigma detected: TrustedPath UAC Bypass Pattern 2->101 103 JavaScript source code contains functionality to generate code involving a shell, file or stream 2->103 105 12 other signatures 2->105 12 wscript.exe 3 1 2->12         started        15 cmd.exe 2->15         started        17 svchost.exe 2->17         started        signatures3 process4 dnsIp5 121 Suspicious powershell command line found 12->121 123 Wscript starts Powershell (via cmd or directly) 12->123 125 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->125 127 Suspicious execution chain found 12->127 20 powershell.exe 12->20         started        22 powershell.exe 12->22         started        25 powershell.exe 8 12->25         started        33 15 other processes 12->33 28 powershell.exe 15->28         started        31 conhost.exe 15->31         started        87 127.0.0.1 unknown unknown 17->87 signatures6 process7 dnsIp8 35 easinvoker.exe 20->35         started        48 4 other processes 20->48 107 Drops executables to the windows directory (C:\Windows) and starts them 22->107 37 easinvoker.exe 22->37         started        50 4 other processes 22->50 77 C:\Users\Public\LRGSHORA202410088365764.pdf, PDF 25->77 dropped 109 Found suspicious powershell code related to unpacking or dynamic code loading 25->109 111 Powershell drops PE file 25->111 39 conhost.exe 25->39         started        97 the.earth.li 93.93.131.124, 443, 49989, 49990 MYTHICMythicBeastsLtdGB United Kingdom 28->97 79 C:\Users\Public\Libraries\storm.exe, PE32 28->79 dropped 41 storm.exe 28->41         started        81 C:\Windows \System32\netutils.dll, PE32+ 33->81 dropped 83 C:\Windows \System32\easinvoker.exe, PE32+ 33->83 dropped 85 C:\Windows \System32\KDECO.bat, ASCII 33->85 dropped 43 AcroCEF.exe 106 33->43         started        46 conhost.exe 33->46         started        52 12 other processes 33->52 file9 signatures10 process11 dnsIp12 54 cmd.exe 35->54         started        57 cmd.exe 37->57         started        95 e8652.dscx.akamaiedge.net 2.23.197.184, 49749, 80 CWVodafoneGroupPLCEU European Union 43->95 59 AcroCEF.exe 43->59         started        process13 signatures14 113 Suspicious powershell command line found 54->113 115 Wscript starts Powershell (via cmd or directly) 54->115 117 Adds a directory exclusion to Windows Defender 54->117 61 cmd.exe 54->61         started        64 conhost.exe 54->64         started        66 conhost.exe 57->66         started        68 powershell.exe 57->68         started        process15 signatures16 129 Wscript starts Powershell (via cmd or directly) 61->129 131 Adds a directory exclusion to Windows Defender 61->131 70 powershell.exe 61->70         started        73 conhost.exe 61->73         started        process17 signatures18 119 Loading BitLocker PowerShell Module 70->119 75 WmiPrvSE.exe 70->75         started        process19
Gathering data
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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:Base64_Encoded_Powershell_Directives

File information


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

Web download

Java Script (JS) js 781b9f29493f9cee0938a2bd263a75d91e8991187bf6f7cdf8a194dba0758a2e

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments