MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4255ef4bfb99f58cdf97bf7bdb01210855be2694222dc103e2deab58cc92e19b. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4255ef4bfb99f58cdf97bf7bdb01210855be2694222dc103e2deab58cc92e19b
SHA3-384 hash: 75f411fd3f3811d8fb4955e965c7322d5167fbee0246f2c2b3e8d250eec2fc3ba12403ffe3d72add47f7bda01f09082c
SHA1 hash: 9bed081a21e2457f5dc6ed412b2261a4332da323
MD5 hash: 3f7e9047d0fbb7bdb9ea9f48f82e0196
humanhash: oscar-magazine-mountain-venus
File name:3f7e9047d0fbb7bdb9ea9f48f82e0196
Download: download sample
Signature Tsunami
Create hunting rule
File size:98'536 bytes
First seen:2023-03-26 05:55:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:9d25+V8wRKfG/czCeYM+I9yJCU4WRC5ZeA:9d9zLcWeYWyJCU4WRC5ZeA
TLSH T125A3290799A28EB7C156AEB625EB9930075FF8510B0F1A85753CABB8430F9CE790D374
telfhash t15c01cc43a0b78a682f720c14ac7d5bfa119267273241bbb4af8ec4d80427106b975d1b
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf renesas Tsunami

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136288-0
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

Unix.Malware.Mirai-9885121-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug gafgyt kaiten mirai tsunami
Link:
https://www.filescan.io/uploads/641fde748f3f4544f6cc19ae/reports/179991c3-cd5c-45a9-a576-50a624e05b7e/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e15281b6-d3e0-4516-81c4-34fd5c8c0aa0
Result
Threat name:
Muhstik, Tsunami
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1202045
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses IRC for communication with a C&C
Yara detected Muhstik
Yara detected Tsunami
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4255ef4bfb99f58cdf97bf7bdb01210855be2694222dc103e2deab58cc92e19b/
Threat name:
Linux.Backdoor.Kaiten
Create hunting rule
Status:
Malicious
First seen:
2023-03-26 05:56:07 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=ijk66s73th2yzx4xx555wajbbbk34juueiw4ca7c32vvrtes4gnq._file
Result
Malware family:
kaiten
Create hunting rule
Score:
  10/10
Tags:
family:kaiten linux
Link:
https://tria.ge/reports/230326-gm1rbshf4x/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/4255ef4bfb99f58cdf97bf7bdb01210855be2694222dc103e2deab58cc92e19b

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_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_f806d5d9
Create hunting rule
Author:Elastic Security
Rule name:myMirai
Create hunting rule
Description:Mirai
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 4255ef4bfb99f58cdf97bf7bdb01210855be2694222dc103e2deab58cc92e19b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2586113/

Comments


Avatar
zbet commented on 2023-03-26 05:55:55 UTC

url : hxxp://192.9.137.40/openssh