MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb. 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

Tsunami

Vendor detections: 10

Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash:	97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb
SHA3-384 hash:	a696b0589694da17e77d84966c9234e4e29cbdb246a046f22add9aab5da2fdee45ab7452f633f7e3057014dd17aa6919
SHA1 hash:	4ed6f2e5dd63ea79cac86298412ad7c74c8a640d
MD5 hash:	8bb571318f17a67c6ebe5f7becba9bff
humanhash:	zebra-indigo-sweet-uranus
File name:	bash
Download:	download sample
Signature	Tsunami Create hunting rule
File size:	59'088 bytes
First seen:	2026-10-27 10:59:55 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:t5MfqmwLSqjOrwDTUmZT/Jnzr/Oll64h2cRAM5Im:tmqxzqsDwOlnzrGz6LyAMx
TLSH	T1E24302F16418BC26E021F9F21AAF10ADF456F85DDADA2199DFC4D3261792C0FC8E4CA1
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	BlinkzSec
Tags:	Tsunami UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	59'088 bytes
File size (de-compressed) :	120'088 bytes
Format:	linux/amd64
Unpacked file:	2d7fb33059aef0cf23fc068289b92b8746861e87298e10c1230216174075e553

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/1a99d781-d5a9-4b4d-91ec-0f606b45c1e7/

Gathering data

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?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb

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:

2025-12-23T08:10:00Z UTC

Last seen:

2026-10-28T19:02:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/8b933bbe-c35e-4381-b111-59ae30d722a1

Behavior Graph:

Download SVG

Malware family:

Tsunami

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1d13fc90-378c-49a3-b770-97145f924079

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.evad

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/1992641

Signature

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample is packed with UPX

Uses IRC for communication with a C&C

Uses known network protocols on non-standard ports

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb/

Threat name:

Linux.Backdoor.Tsunami

Status:

Malicious

First seen:

2025-12-23 12:58:15 UTC

File Type:

ELF64 Little (Exe)

AV detection:

21 of 36 (58.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=s7tx75b2cgyj5fswqzw3utqex7gf24hnotayp2jailbmzfpwbtvq._file

Result

Malware family:

kaiten

Score:

10/10

Tags:

family:kaiten botnet discovery linux upx

Link:

https://tria.ge/reports/261027-m3738sdv2n/

Behaviour

Reads runtime system information

Detects Kaiten/Tsunami payload

Family: Kaiten,Tsunami

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

Threat name:

Suspicious File

Score:

0.40

Link:

https://yomi.yoroi.company/submissions/97e77ff43a11b09e9656866dba4e04bfcc5d70ed74c187e92042c2cc95f60ceb

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_DVR_Botnet_Hama_UPX Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code

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

Rule name:	linux_generic_irc_catcher Create hunting rule
Author:	@_lubiedo
Description:	Find new ELF IRC samples

Rule name:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research

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/