MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f58b51886d7463160fc466b36dc4de63f7dcab1d6bb15df079d74f9130d28d7. 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 1 File information Comments

SHA256 hash: 3f58b51886d7463160fc466b36dc4de63f7dcab1d6bb15df079d74f9130d28d7
SHA3-384 hash: 98c4a1911c9403d00b922884c57424dfe932528c3d574e024e7ce783f7816677094af3833c8062b619903199f630b37f
SHA1 hash: 68e961e62fc13717f86434c749e7d85c46d43866
MD5 hash: 0b8c08d2b99e1b9bb1d60ab1476ddc36
humanhash: vermont-virginia-north-winner
File name:klogd
Download: download sample
Signature Mirai
File size:92'972 bytes
First seen:2025-07-17 18:16:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:xbsuWSbV2WbZuK5EIJp52o1Q1Wm2FOX/JX8R1QGIobEmF9TOf8veW4:Rsu02ZuS11QYFOX/0QzqdF4
TLSH T1ED932AC5F8459A26C2C245B3FB1F42897B1A43E8D2EA32039D399F60774785B0F36D95
telfhash t1ca510e9adf781bdc67d9824981ce641f0afd30fa17042256df4dab5fd802982b02d437
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 :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
204
Number of processes launched:
21
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=72f19d97-1700-0000-7862-686d97070000 pid=1943 /usr/bin/sudo guuid=eb9f519a-1700-0000-7862-686d9e070000 pid=1950 /tmp/sample.bin guuid=72f19d97-1700-0000-7862-686d97070000 pid=1943->guuid=eb9f519a-1700-0000-7862-686d9e070000 pid=1950 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739040 Sample: klogd.elf Startdate: 17/07/2025 Architecture: LINUX Score: 52 42 98.137.77.130 YAHOO-GQ1US United States 2->42 44 170.103.242.242 WORTHINGTONINDUSTRIESUS United States 2->44 46 99 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 9 klogd.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 klogd.elf 9->13         started        15 klogd.elf 9->15         started        17 klogd.elf 9->17         started        process6 19 klogd.elf sh 13->19         started        21 klogd.elf sh 13->21         started        23 klogd.elf sh 13->23         started        25 111 other processes 13->25 process7 27 sh killall 19->27         started        30 sh killall 21->30         started        32 sh killall 23->32         started        34 sh killall 25->34         started        36 sh killall 25->36         started        38 sh killall 25->38         started        40 108 other processes 25->40 signatures8 50 Terminates several processes with shell command 'killall' 27->50
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-17 18:16:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
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 (149142) amount of remote hosts
Creates a large amount of network flows
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:Linux_Generic_Threat_d94e1020
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 3f58b51886d7463160fc466b36dc4de63f7dcab1d6bb15df079d74f9130d28d7

(this sample)

  
Delivery method
Distributed via web download

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