MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4. 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: 13


Intelligence 13 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4
SHA3-384 hash: 5e85784caf0272e6a02db8848e035679217e4c61fc8d41e44a7d60afe32b4346ceb575338e3fbb6b7146300be1a8941d
SHA1 hash: 871ab4ecfd3155e947debd28c9c9ceaf3c7dcc3f
MD5 hash: c1e4857fee9b303f4b80d9b13456ab91
humanhash: fillet-august-fanta-uniform
File name:bash
Download: download sample
Signature Tsunami
Create hunting rule
File size:101'621 bytes
First seen:2026-01-23 16:11:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:GZcEp7Im3o4QRUUje4jHwwvy9bdp/pnkodyk3GmX0VA:uQRrjkwvOR/kodyk3GmX0VA
TLSH T1F6A34B13E653C2BFC4E3A6F62BDBC5219923F4391B36620933DCBDB56B15AD85E18201
telfhash t1ba11ed07a0b7ca682f721814ac7c5bfa01d267373241bb74af8ec4d8182b005b975e0b
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 Tsunami

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Tsunami
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b8063221-038f-42e3-a1d3-2dbfa0b886bb/
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Tsunami-7644569-0
Create hunting rule

Unix.Trojan.Tsunami-7644790-0
Create hunting rule

Unix.Trojan.Tsunami-7645009-0
Create hunting rule

Unix.Trojan.Tsunami-7645187-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc kaiten mirai tsunami
Link:
https://www.filescan.io/uploads/69739db055805a763ff2d40a/reports/cbda6ce1-8809-46bd-8128-bb89ff208677/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4
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:
2026-01-23T13:35:00Z UTC
Last seen:
2026-01-23T23:46:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Tsunami.ci HEUR:Backdoor.Linux.Tsunami.bq HEUR:Backdoor.Linux.Tsunami.bj HEUR:Backdoor.Linux.Tsunami.bh
Link:
https://opentip.kaspersky.com/6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/53751dd4-8c9a-4592-84d4-2566932acc2a
Behavior Graph:
Download SVG
%3 guuid=a6c235d0-1600-0000-0c8e-851e0d0d0000 pid=3341 /usr/bin/sudo guuid=651797d2-1600-0000-0c8e-851e140d0000 pid=3348 /tmp/sample.bin guuid=a6c235d0-1600-0000-0c8e-851e0d0d0000 pid=3341->guuid=651797d2-1600-0000-0c8e-851e140d0000 pid=3348 execve guuid=0cf6bfd2-1600-0000-0c8e-851e150d0000 pid=3349 /tmp/sample.bin net send-data zombie guuid=651797d2-1600-0000-0c8e-851e140d0000 pid=3348->guuid=0cf6bfd2-1600-0000-0c8e-851e150d0000 pid=3349 clone c3b44218-f8ea-52ae-b0a0-12f1869a0ff7 109.111.55.222:8080 guuid=0cf6bfd2-1600-0000-0c8e-851e150d0000 pid=3349->c3b44218-f8ea-52ae-b0a0-12f1869a0ff7 send: 109B
Malware family:
Tsunami
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bcf45069-b82c-4259-93af-1ff6b17478f9
Result
Threat name:
Muhstik, Tsunami
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1856482
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses IRC for communication with a C&C
Uses known network protocols on non-standard ports
Yara detected Muhstik
Yara detected Tsunami
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856482 Sample: bash.elf Startdate: 23/01/2026 Architecture: LINUX Score: 88 17 109.111.55.222, 44748, 8080 ALTAIRTULA-ASformerLLCAltairRU Iran (ISLAMIC Republic Of) 2->17 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 5 other IPs or domains 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 4 other signatures 2->29 7 bash.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 bash.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4/
Verdict:
Malicious
Threat:
Family.KAITEN
Link:
https://tip.neiki.dev/file/6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4
Threat name:
Linux.Backdoor.Kaiten
Create hunting rule
Status:
Malicious
First seen:
2026-01-23 16:11:31 UTC
File Type:
ELF64 Little (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnrtrzcvyndebsu63km4qg53ojdms43ineys3izfoe3fwahiyl2a._file
Result
Malware family:
kaiten
Create hunting rule
Score:
  10/10
Tags:
family:kaiten linux
Link:
https://tria.ge/reports/260123-tm529sg12e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:LinuxTsunami
Create hunting rule
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_821173df
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_55a80ab6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_ad60d7e8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_e98b83ee
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_f806d5d9
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Tsunami_Backdoor
Create hunting rule
Author:@is_henderson
Description:Tsunami Backdoor
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

Tsunami

elf 6b6338e455c34640ca9eda99c81bbb7246c9736869312da32571365b00e8c2f4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3762663/
  
Delivery method
Distributed via web download

Comments