MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7af980d9081b2425c02e0d2da8dbcaeef49e6c35eb5b84bc8a1552307f06c6a. 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: 7

Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash:	b7af980d9081b2425c02e0d2da8dbcaeef49e6c35eb5b84bc8a1552307f06c6a
SHA3-384 hash:	a1dc213cab04a25995b55e4d57bd59c137de7298d273223cbf2b6f5a962ea6a076a86031748652d195d6ad619fa2f382
SHA1 hash:	0e269a80b6b3867aa1bb641b260e4116ac3bf6d1
MD5 hash:	543f5e37093ed701e28520905e93f369
humanhash:	juliet-cold-nine-video
File name:	putita.x86
Download:	download sample
Signature	Mirai Create hunting rule
File size:	231'000 bytes
First seen:	2026-08-22 14:58:20 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-sharedlib
ssdeep	6144:7YiqVURFkju0mW8AN2qYYEa0amXolC/pBS:7tyURmjuFpI0amOMpBS
TLSH	T105346D49FA4BC0F1D9934EF0016BF36BA6395D215132F2B2FF853A65F4B2212695A21C
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	abuse_ch
Tags:	elf mirai upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 5314592786ad4bfb70a5b35cc9a1b68a92f790badabf4a4755d1ca77eb35d27e

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	91'856 bytes
File size (de-compressed) :	231'000 bytes
Format:	linux/i386
Packed file:	5314592786ad4bfb70a5b35cc9a1b68a92f790badabf4a4755d1ca77eb35d27e

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file

Sets a written file as executable

Runs as daemon

Creates or modifies symbolic links

Changes the time when the file was created, accessed, or modified

Opens a port

Connection attempt

Launching a process

Changes access rights for a written file

Writes files to system directory

Substitutes an application name

Creates or modifies files in /cron to set up autorun

Creates or modifies files in /init.d to set up autorun

Creates or modifies files to set up autorun

Creates or modifies symbolic links in /init.d to set up autorun

Deleting of the original file

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

UPX

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

true

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/b7af980d9081b2425c02e0d2da8dbcaeef49e6c35eb5b84bc8a1552307f06c6a

Behaviour

Persistence

Process Renaming

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/892d5ba3-a3e3-4378-8c52-7dfa7f95300c

Behavior Graph:

Download SVG

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/e5cd98ff-a2fb-4d39-aeec-135127f1160e

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b7af980d9081b2425c02e0d2da8dbcaeef49e6c35eb5b84bc8a1552307f06c6a

Detection:

mirai

Link:

https://mwdb.cert.pl/sample/b7af980d9081b2425c02e0d2da8dbcaeef49e6c35eb5b84bc8a1552307f06c6a/

Threat name:

Linux.Worm.Mirai

Status:

Malicious

First seen:

2026-08-22 14:59:37 UTC

File Type:

ELF32 Little (SO)

AV detection:

7 of 36 (19.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w6xzqdmqqgzeexac4djnvdn4v3xutzwdl223qs6iufksgb7qnrva._file

Result

Malware family:

n/a

Score:

7/10

Tags:

command_and_control defense_evasion execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260822-sct2kszxgx/

Behaviour

Changes its process name

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Modifies init.d

Modifies rc script

Modifies systemd

Deletes itself

Outbound SSH connection to public host

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/b7af980d9081b2425c02e0d2da8dbcaeef49e6c35eb5b84bc8a1552307f06c6a

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:	ELF_IoT_Persistence_Hunt Create hunting rule
Author:	4r4
Description:	Hunts for ELF files with persistence and download capabilities

Rule name:	ELF_Mirai Create hunting rule
Author:	NDA0E
Description:	Detects multiple Mirai variants

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

Rule name:	woof_mirai_variant Create hunting rule
Author:	Nokia Deepfield ERT
Description:	Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:	Internal analysis of sample 6ef4ce02