MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89. 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: 8

Intelligence 8 IOCs YARA 11 File information Comments

SHA256 hash:	91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89
SHA3-384 hash:	2546316495e84be7ddcb326438ce05b15df1ce819e2a19074faabf42a41651acf4af9abe545172478b48db93bfb5ae67
SHA1 hash:	3a11e7e294009ac64ba4e19115e0469f94aad2b7
MD5 hash:	8af6373275cc0228075627909781b0fb
humanhash:	three-october-lemon-mountain
File name:	91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89.bin
Download:	download sample
File size:	1'386'685 bytes
First seen:	2026-10-06 07:54:17 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	24576:EoZjxbq9j8XJlqrGAuImQIMESQ+hcqMXHC0Clwi6/CttWaRZX0nv9AbdA:EoZ9bq+MmMEL+hcjXHC/wnwdaKbu
TLSH	T10C5533D7813C28C49F3E0A5766BF850C62188DFC204308B76B5A89A7663F79F876495B
Magika	zip
Reporter	whack_sh
Tags:	zip

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

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

File name:	lua.exe
File size:	100'900 bytes
SHA256 hash:	5343326fb0b4f79c32276f08ffcc36bd88cde23aa19962bd1e8d8b80f5d33953
MD5 hash:	00f60ee3ff2dee681b5d7d442009b2c2
MIME type:	application/x-dosexec

File name:	lua51.dll
File size:	3'531'914 bytes
SHA256 hash:	c7a657af5455812fb215a8888b7e3fd8fa1ba27672a3ed9021eb6004eff271ac
MD5 hash:	4ebd617a3ad9a9619172bd14a902a400
MIME type:	application/x-dosexec

File name:	udp.txt
File size:	340'569 bytes
SHA256 hash:	546ff463fac70ce16402adf587f98dd541011da45bce92379ca5a280644480a1
MD5 hash:	5553c28aeffbcb1830ffd382dc2a47ea
MIME type:	text/plain

File name:	Launcher.bat
File size:	21 bytes
SHA256 hash:	b145e3971e9eae0482261b289b525afabb7ed939c2160b387bded6eeeec1191b
MD5 hash:	6a12d68cdd2860324c10fc13c41a5238
MIME type:	text/plain

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/38d5c772-fb03-45d6-b5c8-0e1020417e5f/

Detection(s):

SecuriteInfo.com.VBS.Obfus-141.UNOFFICIAL

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

anti-debug crypto mingw overlay packed

Link:

https://www.filescan.io/uploads/6ac4a96fd90632688596294e/reports/91c1eba3-9808-4b45-8d2a-eb2bfe469bca/overview

Verdict:

Malicious

Link:

https://www.hybrid-analysis.com/sample/91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89

Verdict:

Malicious

File Type:

zip

First seen:

2026-05-21T04:00:00Z UTC

Last seen:

2026-10-06T15:14:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89/results?tab=lookup

Score:

78%

Verdict:

Malware

File Type:

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery execution

Link:

https://tria.ge/reports/261006-kpcdasvaqh/

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/91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89

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:	HUNTING_SUSP_TLS_SECTION Create hunting rule
Author:	chaosphere
Description:	Detect PE files with .tls section that can be used for anti-debugging
Reference:	Practical Malware Analysis - Chapter 16

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:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

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

zip 91683a4fd2c77b3dfe87f162b2987415ecc5dab8f1fe8ab94a6f8f3a5a2bfc89

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3938412/

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