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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f. 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


SmartLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f
SHA3-384 hash: 7ffceced21e45dd0d2190137a677c639384a0a1db1002fc8cb009b655f6151c704571974615452e6d9d0a68be0d99450
SHA1 hash: 28a0ef35a38a72c586e2ede92cb91b31236b5d34
MD5 hash: 1246df0a1b6b67000301c9b4eb233b35
humanhash: washington-bacon-jupiter-winter
File name:mbupload-ln3qeuyw.bin
Download: download sample
Signature SmartLoader
Create hunting rule
File size:1'398'257 bytes
First seen:2026-10-21 13:49:49 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 24576:iykNroZjxbq9j8XJlqrGAuImQIMESQ+hcqMXHC0Clwi6/CttWaRT:ipNroZ9bq+MmMEL+hcjXHC/wnwdT
TLSH T17655338AC03C39C08F7D0693BBAF959C52248EFC104208772F559967293F6AFC67599B
Magika zip
Reporter wristhulk
Tags:github lua SmartLoader zip


Avatar
wristhulk
Distributed from GitHub: https://raw.githubusercontent.com/yuvraj112233/flutter_learn/refs/heads/main/test/learn_flutter_2.8.zip . Lab-triaged statically in an isolated VM: LuaJIT launcher + obfuscated Lua payload (SmartLoader), hijacked-README zip. URL submitted to URLhaus.

Intelligence

File Origin
# of uploads :
1
# of downloads :
18
Origin country :
US US
File Archive Information

This file archive contains 4 file(s), sorted by their relevance:

File name:libgcc.txt
File size:363'197 bytes
SHA256 hash: c36ce9080f624c14dd4e1d451228293f786168f4de2d35690d2cffb6cccbae87
MD5 hash: f4543a74353b3c8589744e6975d45759
MIME type:text/plain
Signature SmartLoader
File name:lua51.dll
File size:3'531'914 bytes
SHA256 hash: c7a657af5455812fb215a8888b7e3fd8fa1ba27672a3ed9021eb6004eff271ac
MD5 hash: 4ebd617a3ad9a9619172bd14a902a400
MIME type:application/x-dosexec
Signature SmartLoader
File name:luajit.exe
File size:100'900 bytes
SHA256 hash: 5343326fb0b4f79c32276f08ffcc36bd88cde23aa19962bd1e8d8b80f5d33953
MD5 hash: 00f60ee3ff2dee681b5d7d442009b2c2
MIME type:application/x-dosexec
Signature SmartLoader
File name:Launcher.cmd
File size:329 bytes
SHA256 hash: 408895e635cfa4667db5aad33eb0f985e1ebc3473861de99934a26bd8ba935d6
MD5 hash: f15b2e639babc17ab0d3b11aff9b5c94
MIME type:text/plain
Signature SmartLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e5d0dac7-020a-41bb-ba2e-eb0ee66808ec/
Detection(s):
SecuriteInfo.com.VBS.Obfus-141.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad0d0c46f551121ba160598
Tags:
injection
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug crypto mingw overlay packed
Link:
https://www.filescan.io/uploads/6ad8c32b011aa4b824016fcd/reports/02699978-ef41-47a7-8c04-c17733113625/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f
Verdict:
Malicious
File Type:
zip
First seen:
2026-10-06T07:08:00Z UTC
Last seen:
2026-10-23T09:11:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f/results?tab=lookup
Score:
60%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/1246df0a1b6b67000301c9b4eb233b35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f/
Threat name:
Script-BAT.Trojan.Malarchive
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 11:26:28 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hvy7p3kuf3ab2bxq75haiwnpuux2ny52gkhq2dvkl7kvc6qovvpq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution
Link:
https://tria.ge/reports/261021-rdgxzaf17r/
Behaviour
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Looks up external IP address via web service
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/3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f

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:Capability_Embedded_Lua
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects embedded Lua engines by looking for multiple Lua API symbols or env-var hooks
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:WIN_Malware_Unknown_ForgeAuto_37b4704b
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)

File information

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

Web download

SmartLoader

zip 3d71f7ed542ec01d06f0ff4e0459afa52fa6e3ba328f0d0eaa5fd5517a0ead5f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3942400/
  
URLhaus
https://urlhaus.abuse.ch/url/3953876/

Comments