MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f622584f796c260732cd340698cf10568c396ae7994c8e11b186fa367707b2a. 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 22 File information Comments

SHA256 hash: 8f622584f796c260732cd340698cf10568c396ae7994c8e11b186fa367707b2a
SHA3-384 hash: 1215b4086360da9b960dd4415265cde1cf0672aeebc3982abd423bf1b22f249d76ccbebeccee508de741aec9c2ac0a86
SHA1 hash: 2a187641691d03e7ccd0d6418712ac8767fbc103
MD5 hash: a7e91fd8707d3def7c1a16bf5a3c7045
humanhash: mobile-texas-grey-michigan
File name:bash
Download: download sample
Signature Tsunami
File size:101'625 bytes
First seen:2025-12-20 19:28:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:GZcEp7Hm3o4QRUUje4jswwgYwrUBGBqkodyk3GmX0VA:hQRrj/wgYVkodyk3GmX0VA
TLSH T1A5A34B13E693C2BFC4E3A6F62BDBC5219923F4391B36620933DCBDB56B15AD85D18201
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 :
38
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc kaiten mirai tsunami
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-20T16:35:00Z UTC
Last seen:
2025-12-21T02:00:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Tsunami.bj HEUR:Backdoor.Linux.Tsunami.bh HEUR:Backdoor.Linux.Tsunami.ci HEUR:Backdoor.Linux.Tsunami.bq
Status:
terminated
Behavior Graph:
%3 guuid=560947d8-1a00-0000-b520-b58d70140000 pid=5232 /usr/bin/sudo guuid=7dcd5fdb-1a00-0000-b520-b58d71140000 pid=5233 /tmp/sample.bin guuid=560947d8-1a00-0000-b520-b58d70140000 pid=5232->guuid=7dcd5fdb-1a00-0000-b520-b58d71140000 pid=5233 execve guuid=ece08bdb-1a00-0000-b520-b58d72140000 pid=5234 /tmp/sample.bin net send-data zombie guuid=7dcd5fdb-1a00-0000-b520-b58d71140000 pid=5233->guuid=ece08bdb-1a00-0000-b520-b58d72140000 pid=5234 clone cd16b55f-2b8d-5b4e-8893-e93d1325ca1e 109.111.55.221:8080 guuid=ece08bdb-1a00-0000-b520-b58d72140000 pid=5234->cd16b55f-2b8d-5b4e-8893-e93d1325ca1e send: 105B
Result
Threat name:
Muhstik, Tsunami
Detection:
malicious
Classification:
troj
Score:
88 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836819 Sample: bash.elf Startdate: 20/12/2025 Architecture: LINUX Score: 88 17 109.111.55.221, 52752, 8080 ALTAIRTULA-ASformerLLCAltairRU Iran (ISLAMIC Republic Of) 2->17 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 4 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       
Threat name:
Linux.Backdoor.Tsunami
Status:
Malicious
First seen:
2025-12-20 19:28:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:kaiten linux
Verdict:
Malicious
Tags:
backdoor kaiten trojan tsunami gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Kaiten Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_821173df Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Tsunami_f806d5d9 Linux_Trojan_Tsunami_55a80ab6 Linux_Trojan_Tsunami_e98b83ee Linux_Trojan_Tsunami_ad60d7e8 Linux_Trojan_Tsunami_0e52c842
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:LinuxTsunami
Rule name:linux_generic_irc_catcher
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_821173df
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_55a80ab6
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_ad60d7e8
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_e98b83ee
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_f806d5d9
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Tsunami_Backdoor
Author:@is_henderson
Description:Tsunami Backdoor
Rule name:unixredflags3
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 8f622584f796c260732cd340698cf10568c396ae7994c8e11b186fa367707b2a

(this sample)

  
Delivery method
Distributed via web download

Comments