MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 022028f48cb986c620beb990e92d594bd961d6976e885d3b1cb211a8c2e3973a. 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


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 022028f48cb986c620beb990e92d594bd961d6976e885d3b1cb211a8c2e3973a
SHA3-384 hash: 85fea916ab1e4d82152a247e76a8465fb9fb813697a54409382dbc0851fabdc64461dddc278f04c9a229a94ce2103249
SHA1 hash: 150d84ddd859b8c8a93d25e2deccb9fc7686b14c
MD5 hash: 11323016a4c035597e531d01a7890e43
humanhash: minnesota-idaho-lima-nine
File name:katrina
Download: download sample
Signature Mirai
Create hunting rule
File size:96'660 bytes
First seen:2025-07-15 00:21:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:slRn+UGr4KRnKjS83wu891Ousbn+lPFGeuZ/TPVVPqd3ytNtvaNLg:slRmrPn0Scw/OuFPAeCj43yLtCNLg
TLSH T159933AD7F804CEBEF4098B7744534A05B630A3E20E521A63B323A957BD760A91576FCA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Dropper.Mirai-7640011-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9910138-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated
Link:
https://www.filescan.io/uploads/68759f3e19132d98487fd2f6/reports/35204f6d-904a-482b-acd1-3d1fc89524ab/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ae24267a-8bc1-454a-8b3e-57566c434aa8
Behavior Graph:
Download SVG
%3 guuid=c35d304f-1900-0000-52b2-0c583e0c0000 pid=3134 /usr/bin/sudo guuid=522b1c51-1900-0000-52b2-0c58470c0000 pid=3143 /tmp/sample.bin guuid=c35d304f-1900-0000-52b2-0c583e0c0000 pid=3134->guuid=522b1c51-1900-0000-52b2-0c58470c0000 pid=3143 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7f62a38f-741c-4929-8b22-c5187b9606f5
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1736643
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736643 Sample: katrina.elf Startdate: 15/07/2025 Architecture: LINUX Score: 56 36 209.86.187.130 WINDSTREAMUS United States 2->36 38 162.82.176.145 WBH-ISC-ROUS United States 2->38 40 98 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Connects to many ports of the same IP (likely port scanning) 2->44 9 katrina.elf 2->9         started        signatures3 process4 process5 11 katrina.elf 9->11         started        process6 13 katrina.elf sh 11->13         started        15 katrina.elf sh 11->15         started        17 katrina.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 46 Terminates several processes with shell command 'killall' 21->46
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/022028f48cb986c620beb990e92d594bd961d6976e885d3b1cb211a8c2e3973a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/022028f48cb986c620beb990e92d594bd961d6976e885d3b1cb211a8c2e3973a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 00:30:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aiqcr5emxgdmmif6xgioslkzjpmwdvuxn2ef2oy4wii2rqxds45a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton linux
Link:
https://tria.ge/reports/250715-an278afk81/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3cd452c8-d949-451f-8b8d-8126ff03bc32
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/022028f48cb986c620beb990e92d594bd961d6976e885d3b1cb211a8c2e3973a

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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

Mirai

elf 022028f48cb986c620beb990e92d594bd961d6976e885d3b1cb211a8c2e3973a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576539/
  
Delivery method
Distributed via web download

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