MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b28fbbdb35d0d33d30064e533f9a6d976dca985a4d5bd8521e3cd92e24070605. 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: 7
| SHA256 hash: | b28fbbdb35d0d33d30064e533f9a6d976dca985a4d5bd8521e3cd92e24070605 |
|---|---|
| SHA3-384 hash: | f7423d3112ff1281aa6562a8263654f4260437bbeddb935e2e1d9e54ab60fa3b845ec63ebba57275d242b0e139a3ef2e |
| SHA1 hash: | 4754fd7698061707877b2f04e067704dde5dc9db |
| MD5 hash: | 666cd9c3ab1be620f24405d0e3a0f58e |
| humanhash: | green-lactose-wolfram-william |
| File name: | mbupload-r8l45t4d.bin |
| Download: | download sample |
| Signature | SmartLoader |
| File size: | 466'717 bytes |
| First seen: | 2026-10-21 14:05:11 UTC |
| Last seen: | Never |
| File type: | zip |
| MIME type: | application/zip |
| ssdeep | 6144:8e9ZfnUXRCvHWUEDH3s/bTEY4k2k7Xa5ozFYJHd3XcEqFN9KAK4Jmn+VJFNZ+0+B:8e9Z/U30/7zYfcEaN9B/Jm0LU0gM7aQE |
| TLSH | T1D0A4235CA9511D32BC777AD03C2D9F020F28E547B5D98AFB891B3A904C7EC2862D52DD |
| Magika | zip |
| Reporter |  wristhulk |
| Tags: | github lua SmartLoader zip |
wristhulk
Distributed from GitHub: https://raw.githubusercontent.com/maomaoguo89-star/FIFMAMAOMAODEAIAPP/refs/heads/main/endotheliomyoma/Software-v1.8.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 :
48
Origin country :
USFile Archive Information
This file archive contains 5 file(s), sorted by their relevance:
| File name: | Application.cmd |
|---|---|
| File size: | 31 bytes |
| SHA256 hash: | 9d073f901d24e3284c5fe5d886baa4c8cea8d062d6a61b561208add0b295c2c3 |
| MD5 hash: | 83ec19722ead0929da76c37f62e817bb |
| MIME type: | text/plain |
| Signature | SmartLoader |
| File name: | COFF_SYMBOLS |
|---|---|
| File size: | 4'469 bytes |
| SHA256 hash: | 476b58ac5f79cc1d3bd797146daa535b54a1735fbbde7ac74ab22a922a4c53d3 |
| MD5 hash: | 1ff5e7326277ef161d50efb9dfce09fc |
| MIME type: | application/octet-stream |
| Signature | SmartLoader |
| File name: | lua51.dll |
|---|---|
| File size: | 601'461 bytes |
| SHA256 hash: | 04d3c82782927330d56827ff551697666dbab4b3abf5b86bde492efdd142bc58 |
| MD5 hash: | 82e81158366a953c33d0720dfe34b95b |
| MIME type: | application/x-dosexec |
| Signature | SmartLoader |
| File name: | compiler.exe |
|---|---|
| File size: | 31'920 bytes |
| SHA256 hash: | 7ad4b911d05a12f91ab27ba3baa351a56653ca099dda7ad87ee2b94f8cd018c9 |
| MD5 hash: | c2a7f19ba96dc460d591d37d664fe6aa |
| MIME type: | application/x-dosexec |
| Signature | SmartLoader |
| File name: | cp.txt |
|---|---|
| File size: | 309'083 bytes |
| SHA256 hash: | d4522d1733716f3a69542115cab173ebbfd14ca7b3c11f53eed7c47818db5d91 |
| MD5 hash: | 542bf3f64ba1df8f72dd259e35814e0c |
| MIME type: | text/plain |
| Signature | SmartLoader |
Vendor Threat Intelligence
Detection(s):
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug crypto exploit overlay packed
Verdict:
Malicious
File Type:
zip
First seen:
2026-10-06T07:36:00Z UTC
Last seen:
2026-10-21T13:22:00Z UTC
Hits:
~10
Score:
4%
Verdict:
Benign
File Type:
ARCHIVE
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Zip Archive
Threat name:
Win64.Trojan.Multiverze
Status:
Malicious
First seen:
2026-10-06 10:22:28 UTC
File Type:
Binary (Archive)
Extracted files:
5
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
6/10
Tags:
discovery execution
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.
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 |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects embedded Lua engines by looking for multiple Lua API symbols or env-var hooks |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | VECT_Ransomware |
|---|---|
| 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 |
|---|---|
| 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 b28fbbdb35d0d33d30064e533f9a6d976dca985a4d5bd8521e3cd92e24070605
(this sample)
Delivery method
Distributed via web download
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