MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a71d6ce5b59a018eed46c1e2208cdaa5362c6dff1fd2e79cef72656fd5e15581. 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 2 File information Comments

SHA256 hash: a71d6ce5b59a018eed46c1e2208cdaa5362c6dff1fd2e79cef72656fd5e15581
SHA3-384 hash: 2389b850851c38494d0184bce8da762dd12257204296b443b1d21c7d8c36c5d0e5206297be27aa67b4f9fa45fdcee73b
SHA1 hash: 0f61aff1451dd0f806891fe2deb4828af1eda71a
MD5 hash: b573c9d4798bddcfc0e881cecd8c3dd7
humanhash: moon-hawaii-emma-lemon
File name:envio_11_28.hta
Download: download sample
File size:2'763'076 bytes
First seen:2025-11-29 10:43:04 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 24576:5PaI0oiGlRZusGUq85tgLpQpHDrHVAme4h20ogicyFWPMbSR43dJyobGLLJZif:fOGlREbX+tgKf047kzBGvq
TLSH T177D55B2183407B7E6A980A2FD06C3F08E7F51B53C45A21DCA5936E472D2EFCAB55CE16
Magika html
Reporter juroots
Tags:hta

Intelligence


File Origin
# of uploads :
1
# of downloads :
30
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Behaviour
BlacklistAPI detected
Result
Gathering data
Verdict:
Malicious
File Type:
hta
First seen:
2025-11-28T19:45:00Z UTC
Last seen:
2025-11-29T01:20:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Base64 Block Contains Base64 Block Html
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware defense_evasion discovery execution spyware
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Enumerates processes with tasklist
Deobfuscate/Decode Files or Information
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Manipulates Digital Signatures
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:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:SUSP_Double_Base64_Encoded_Executable_RID34CC
Author:Florian Roth
Description:Detects an executable that has been encoded with base64 twice
Reference:https://twitter.com/TweeterCyber/status/1189073238803877889

File information


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

Web download

HTML Application (hta) hta a71d6ce5b59a018eed46c1e2208cdaa5362c6dff1fd2e79cef72656fd5e15581

(this sample)

  
Delivery method
Distributed via web download

Comments