MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7. 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: 8

Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash:	c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7
SHA3-384 hash:	b693cd1cd90edbf267e3ded50640b33b5eef0876429f30e115c7087ba28dad36d7c917a8a884901a3e69d563833da43f
SHA1 hash:	d097c8c37fea792faef88f7accc46ac017809b36
MD5 hash:	8b98ff30b1b88b1b48b2bdea4f2f8590
humanhash:	enemy-indigo-twelve-king
File name:	yarn
Download:	download sample
Signature	Mirai Create hunting rule
File size:	2'745 bytes
First seen:	2025-12-23 21:14:23 UTC
Last seen:	2025-12-24 01:35:39 UTC
File type:	sh
MIME type:	text/x-shellscript
ssdeep	48:vby7wIb0d0QwSHbDGwbbPqwLbF+twGbgWYw6bpkw9bKjwAbbuwjbvXvCwVJb4RwL:v6bYyQNHOIuC8DQzOQkNuK7fCsJUPOr
TLSH	T1F4517A9D671300B6B8DEEA67BDA90804F54C94B25D8CDD90F5FE28FD368CE0864A174E
TrID	70.0% (.SH) Linux/UNIX shell script (7000/1) 30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika	shell
Reporter	abuse_ch
Tags:	sh

Shell script dropper

This file seems to be a shell script dropper, using wget, ftpget and/or curl. More information about the corresponding payload URLs are shown below.

URL	Malware sample (SHA256 hash)	Signature	Tags
http://5.255.103.171/bins/sdxkzX_UXA229x.x86	9b2a851f233972d421481a79d7be7ac7ee45288b0599ecdb62a6a6f203f44d84	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.spc	67bcae85e624585fa0b682425eaeb84323b1a3222c27aa1fdb46b69e09bbcc3b	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.sh4	7501f714f4c5c7ec1efc47ba26305c02859416ad276d01090665117a2183065b	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.mips	e530b4adb8b1ffa561ed18c4ad5886a1daf860aec402ecf679fb8559fa2b4cdc	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.mpsl	96c43a2bbdd790cc4c8b2721b8364757c774c5c3b7d8617dca11eda425839089	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.arm4	n/a	n/a	elf ua-wget
http://5.255.103.171/bins/sdxkzX_UXA229x.arm5	5879891986f59c8b383eceefa97ae332fb55c1ff1a7313f1f3b9d080a094c616	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.arm6	5e1843ee80b0a0f47fe7c102882aecaf626b2c2c671f80f217b8fb5558cf4456	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.arm7	4b00c9ff1eb55bd1ab7e067a274dc00a16fd07870f915cbc871e887f16d0277d	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.ppc	1b1df35f15ce9734c51a5ee94460400efafd1523b4b3baea89ddb0cf86c970dc	Mirai	mirai opendir
http://5.255.103.171/bins/sdxkzX_UXA229x.m68k	2b84ee15e57c62eb1290ce93a70baa65f7bc397a5688db0eab69b93967c6de71	Mirai	mirai opendir

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL

Result

Gathering data

Verdict:

Malicious

File Type:

unix shell

First seen:

2025-12-23T18:28:00Z UTC

Last seen:

2025-12-24T12:48:00Z UTC

Hits:

~100

Detections:

HEUR:Trojan-Downloader.Shell.Agent.p HEUR:Trojan-Downloader.Shell.Agent.gen HEUR:Trojan-Downloader.Shell.Agent.a

Link:

https://opentip.kaspersky.com/c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/7d9cc0f3-65ba-4705-8062-3ca18aea98d0

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7/

Verdict:

Malicious

Threat:

Family.MIRAI

Link:

https://tip.neiki.dev/file/c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7

Threat name:

Linux.Downloader.Medusa

Status:

Malicious

First seen:

2025-12-23 21:15:22 UTC

File Type:

Text (Shell)

AV detection:

21 of 36 (58.33%)

Threat level:

3/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zfpz56k32d5l6shaew4yzhhhu6pbyynoxfvugprq2iovecbnlwtq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery linux

Link:

https://tria.ge/reports/251223-z3hjsstjh1/

Behaviour

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Reads system network configuration

Enumerates running processes

File and Directory Permissions Modification

Deletes itself

Executes dropped EXE

Malware family:

Mirai

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c95f9ef95bd0/report/overview.html

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

Threat name:

Malicious File

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/c95f9ef95bd0fabf48e025b98c9ce7a79e1c61aeb96b433e30d21d52082d5da7

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_Shellscript_Downloader Create hunting rule
Author:	albertzsigovits
Description:	Generic Approach to Shellscript downloaders

Rule name:	MAL_Linux_IoT_MultiArch_BotnetLoader_Generic Create hunting rule
Author:	Anish Bogati
Description:	Technique-based detection of IoT/Linux botnet loader shell scripts downloading binaries from numeric IPs, chmodding, and executing multi-architecture payloads
Reference:	MalwareBazaar sample lilin.sh