MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447
SHA3-384 hash: 0c9d2782161d10dcce95f8554834c78b85bb89d999620126807dd853860d27802775a9219f1391db3d979acfbc075c7d
SHA1 hash: 0c7a6c780b7a562b7a2b2a34feacc16a75c25e42
MD5 hash: 40a9e2d6ee1c1f4c9e63e601eb432fb0
humanhash: mockingbird-quiet-video-alpha
File name:yakuza.arm4
Download: download sample
Signature Tsunami
Create hunting rule
File size:155'337 bytes
First seen:2024-10-19 11:39:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:fQz9YHPnptQNSgfJ7ORfm/Tnm3ChCHxjb1XRN10eeUYVXR8Qsy/RZvnGr0fYpHJR:fQzokTnjhWtbNRNmeWTvnGr0fYZJDRyI
TLSH T10CE33945FC54973BC2E23BF7F79A83CE372A4A54979733115A296FB02BC17891E29120
telfhash t1f93145479479ca2d2f732c586c7c4fb61256ab2331527fb0bf9ac4885533002b968d4f
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 NDA0E
Tags:elf gafgyt Tsunami Yakuza

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28962.LCM.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28961.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Tsunami-6981161-0
Create hunting rule

Unix.Dropper.Mirai-7136072-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gcc lolbin masquerade remote
Link:
https://www.filescan.io/uploads/67139a93c7aed0374dabb182/reports/b779de0a-9d34-4208-8ffc-b7e6ac4e171f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
227
Number of processes launched:
52
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d6b4ff62-0a93-4181-815a-016ef57e3a87
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1537695
Signature
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1537695 Sample: yakuza.arm4.elf Startdate: 19/10/2024 Architecture: LINUX Score: 64 39 194.110.247.46, 45152, 45154, 45156 FIRSTROOT-ASDE unknown 2->39 41 daisy.ubuntu.com 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Uses IRC for communication with a C&C 2->47 49 Uses known network protocols on non-standard ports 2->49 9 yakuza.arm4.elf 2->9         started        signatures3 process4 process5 11 yakuza.arm4.elf 9->11         started        process6 13 yakuza.arm4.elf sh 11->13         started        15 yakuza.arm4.elf sh 11->15         started        17 yakuza.arm4.elf sh 11->17         started        19 40 other processes 11->19 process7 21 sh pkill 13->21         started        23 sh busybox 13->23         started        25 sh pkill 15->25         started        27 sh busybox 15->27         started        29 sh pkill 17->29         started        31 sh busybox 17->31         started        33 sh pkill 19->33         started        35 sh busybox 19->35         started        37 73 other processes 19->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-10-19 01:45:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3wno3lpuzgsivcb253oj6iza4xnmotgkuzi7is3hyquhfhegrdq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/241019-nsvktswcrr/
Verdict:
Malicious
Tags:
trojan tsunami
YARA:
Linux_Trojan_Tsunami_8a11f9be
Link:
https://app.threat.zone/submission/5bb972ed-e969-4606-aa55-333702a9acbe
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/66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447

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_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Tsunami_8a11f9be
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:ShellScript_Downloader
Create hunting rule
Author:NDA0E
Description:Detects Generic ShellScript Downloader
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 66ecd76d6fa64d245441d776e4f919072ed63a6655328fa25b3e214394e43447

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3242754/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3242792/

Comments