MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21. 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

Snowlight

Vendor detections: 10

Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash:	f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21
SHA3-384 hash:	46755cd88aa88960953c38856be444f6c9efc6fdf431ac4a8125abef469edbe4b203814470fdb8c67f3f8a15125ccd01
SHA1 hash:	61186819688ede13b9e21a41acd9dc11c5670ee1
MD5 hash:	7f8f00886b95131792280f389755f22e
humanhash:	nebraska-five-hotel-jig
File name:	f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21.elf
Download:	download sample
Signature	Snowlight Create hunting rule
File size:	9'800 bytes
First seen:	2026-09-08 01:28:59 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	96:GqTVJWWGXzS61H5ML09V1J9G8Ym1+hrsrwegVekrf7mxaamBFBp8sBRnsH5vZAC:GqnWWHuZMWT1YmohrsnurfjTr8sbnsl
TLSH	T1AA123047A2D0CE3FC8D9573844A7122472B794BEDF629713064815B63F427E81E6EB8B
telfhash	t112b09b025470515d9bf561781c2588971245c1a3c5415f505d51f7549a3f48d905cb55
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	whack_sh
Tags:	elf exe SNOWLIGHT whack.sh

Intelligence

File Origin

# of uploads :

# of downloads :

106

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Downloader.Generic-10032902-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Receives data from a server

Creating a file

Sends data to a server

Creating a process from a recently created file

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/f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-08-28T10:21:00Z UTC

Last seen:

2026-09-09T18:31:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/f572509f-db3b-48d8-b28f-1bb9b7eb0940

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/1942b607-0eee-4bec-a86f-962063914e8f

Result

Threat name:

SNOWLIGHT, VShell

Detection:

malicious

Classification:

troj

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/1969694

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Multi AV Scanner detection for submitted file

Yara detected SNOWLIGHT

Yara detected VShell

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21/

Threat name:

Linux.Trojan.Snowlight

Status:

Malicious

First seen:

2026-08-28 20:28:33 UTC

File Type:

ELF64 Little (Exe)

AV detection:

22 of 36 (61.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6okv35jm3sld7wi36myad5qkxpvqbm474cqpklonxlbes4x6hmqq._file

Result

Malware family:

snowlight

Score:

10/10

Tags:

family:snowlight actor:unc5174 apt linux loader

Link:

https://tria.ge/reports/260908-bwebssxyft/

Malware Config

C2 Extraction:

192.238.141.140

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

Threat name:

Malicious File

Score:

0.95

Link:

https://yomi.yoroi.company/submissions/f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21

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:	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

Snowlight

elf f3955df52cdc963fd91bf33001f60abbeb00b39fe0a0f52dcdbac24972fe3b21

(this sample)

Delivery method

Distributed via web download

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