MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2. 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

Mirai

Vendor detections: 12

Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash:	fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2
SHA3-384 hash:	ffa601ce5f211b832bf3e63fc9b996aa6078d1ce0f0d03d5b47050373504f9766b164e98ddc1c428b074bf1fe1925800
SHA1 hash:	a6b9f7c77241820ea18908e3bf3ae5cce40f8c46
MD5 hash:	d1e48433ddaa2e328ba8bd09fa874e35
humanhash:	lake-april-timing-bravo
File name:	fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2.elf
Download:	download sample
Signature	Mirai Create hunting rule
File size:	7'262 bytes
First seen:	2026-11-10 02:38:25 UTC
Last seen:	2026-11-10 03:19:04 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	192:fsuqD7vccFN146Uwz7cSym4S2ofahbpZiQ:fsue7cUJvFym4Sw/
TLSH	T168E16207E2D5CD72D8CD133846931749223AC86EAB83EF03650C19A9EE43BDC7A63752
telfhash	t159b02b025470414c8ff221380c24cc831202c1a3c9415f608d40f740ca3f08d804cf4d
TrID	50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika	elf
Reporter	Tuxxin
Tags:	elf mirai

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

SnowLight

Details

Link:

https://research.acce.ciphertechsolutions.com/results/54186335-bd58-4101-b1fa-95814f2ac57f/

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

gcc

Link:

https://www.filescan.io/uploads/6af283d46323a05a353a7d29/reports/137e3190-8feb-4c46-822a-1c5d706e5802/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.32.le

Link:

https://opentip.kaspersky.com/fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/2919fcfa-6bd5-47b6-86b1-0b43f98fc1b2

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/34a5eee0-73a5-4009-87f5-5faa57aa964e

Result

Threat name:

SNOWLIGHT, VShell

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/2002567

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Found malware configuration

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Uses known network protocols on non-standard ports

Yara detected SNOWLIGHT

Yara detected VShell

Behaviour

Behavior Graph:

Download SVG

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2/

Threat name:

Linux.Backdoor.Vshell

Status:

Suspicious

First seen:

2026-11-09 15:42:52 UTC

File Type:

ELF32 Little (Exe)

AV detection:

16 of 36 (44.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=73ztsygndur5fehguvn6oxrfcnmhpu5sw5sy54vntimuafzauhra._file

Result

Malware family:

snowlight

Score:

10/10

Tags:

family:snowlight actor:unc5174 apt linux loader

Link:

https://tria.ge/reports/261110-c5bspsysat/

Malware Family:

downloader

Malicious:

True

Tags:

elf debug-check malware

Link:

https://intel.virussign.com/intelligence/file/fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.75

Link:

https://yomi.yoroi.company/submissions/fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2

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:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	Linux_Generic_Threat_3fa2df51 Create hunting rule
Author:	Elastic Security

Rule name:	malware_SNOWLIGHT_ELF Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	SNOWLIGHT
Reference:	https://sect.iij.ad.jp/blog/2025/11/unc5174-windows-snowlight-in-2025/

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/

Rule name:	unixredflags3 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for UNIX red flags

File information

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

Web download

Mirai

elf fef33960cd1d23d290e6a55be75e25135877d3b2b7658ef2ad9a19401720a1e2

(this sample)

Delivery method

Distributed via web download

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