MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a
SHA3-384 hash: 837658e48fbfd071178829209332ac2896b016e935f8a1ae3e985fa535a6dd26c8b0646b33596a97657e7eb4753da3c7
SHA1 hash: 68b3243b70e185faa168d674bd5ffe49b78aca66
MD5 hash: 2b623c444b500d4c05eed2c2c531e780
humanhash: alanine-emma-music-charlie
File name:klogd
Download: download sample
Signature Mirai
Create hunting rule
File size:91'580 bytes
First seen:2025-07-16 23:39:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dcGLY9Ts1wxXSVOjAm9zIdp8e7Yc8k33YNURi89TOarvVWk:dc2KY2xfkiwp8e7voe/0k
TLSH T1BB9339D5F9459A22C2C215B3FB0F42897B1A43D8D2EA32039D399F617B8B85B0F36D45
telfhash t1bd11ef959a8c07dc7be48300d69d533a4ab430fd4b007625cfee6eab48128c2385a035
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6878387112460d69545e7b5a/reports/adadd49d-9f59-4342-b1bb-667c96c29c7d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
382
Number of processes launched:
147
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ad435999-554d-45ed-b397-192586461903
Behavior Graph:
Download SVG
%3 guuid=d2ee28d7-1900-0000-36bb-a043390b0000 pid=2873 /usr/bin/sudo guuid=30e66fd9-1900-0000-36bb-a0433f0b0000 pid=2879 /tmp/sample.bin guuid=d2ee28d7-1900-0000-36bb-a043390b0000 pid=2873->guuid=30e66fd9-1900-0000-36bb-a0433f0b0000 pid=2879 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b208f70-8a9f-4f95-a4a6-467f49def88d
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1738404
Signature
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: 1738404 Sample: klogd.elf Startdate: 17/07/2025 Architecture: LINUX Score: 52 36 67.153.229.151 XO-AS15US United States 2->36 38 13.14.140.38 XEROX-WBUS United States 2->38 40 99 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 9 klogd.elf 2->9         started        signatures3 process4 process5 11 klogd.elf 9->11         started        process6 13 klogd.elf sh 11->13         started        15 klogd.elf sh 11->15         started        17 klogd.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 44 Terminates several processes with shell command 'killall' 21->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-16 23:40:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wdgxhtseqkmmgppt42kfd556psic3u6xhud63kot5n3dappdjva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Link:
https://tria.ge/reports/250716-3n5ybsssbs/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (84052) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1ea04d2b-55ae-4a38-81aa-d70ab9a7b2f5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 f5866b9e722414c619ef9f34a28fbdf3e4816e9eb9e83f6d4e9f5bb181ef1a6a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584481/
  
Delivery method
Distributed via web download

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