MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4764c496d2e6fd15973f5548e02911b916841621ba947fc3995bb7baa9bb0cb9. 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 3 File information Comments

SHA256 hash: 4764c496d2e6fd15973f5548e02911b916841621ba947fc3995bb7baa9bb0cb9
SHA3-384 hash: 6824195b9c60ad2a5fc9042c0f46eea791e80d192f7d167a898d884b9c100dc99938dba441e86353a180b3ae7e4ce098
SHA1 hash: 39d73d15397eb27ae66885b654417b2826ea0be9
MD5 hash: 21194f15bb5ce1e06cfe307bcf2cc109
humanhash: pasta-steak-earth-item
File name:ssh-agent-auth.arm7
Download: download sample
Signature Mirai
File size:64'187 bytes
First seen:2026-01-31 21:14:52 UTC
Last seen:2026-01-31 22:21:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:IVXHTDtDKDk+bQl5EyCE3jkPeDBoq3L52PM9rkPTk1m8:IVHL+M3Eyxhoq3L5RZ1p
TLSH T17C53022391E1D6A04E2B58BFDBC10293E5114BFC1B9FAE6F43BD41E7467398522B6407
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 :
2
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=d46b0ce3-1a00-0000-7a53-13d56a0a0000 pid=2666 /usr/bin/sudo guuid=6d54f6e4-1a00-0000-7a53-13d56f0a0000 pid=2671 /tmp/sample.bin guuid=d46b0ce3-1a00-0000-7a53-13d56a0a0000 pid=2666->guuid=6d54f6e4-1a00-0000-7a53-13d56f0a0000 pid=2671 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1861033 Sample: ssh-agent-auth.arm7.elf Startdate: 31/01/2026 Architecture: LINUX Score: 76 43 Multi AV Scanner detection for submitted file 2->43 45 Sample is packed with UPX 2->45 9 ssh-agent-auth.arm7.elf 2->9         started        process3 signatures4 47 Sample deletes itself 9->47 12 ssh-agent-auth.arm7.elf 9->12         started        process5 process6 14 ssh-agent-auth.arm7.elf 12->14         started        file7 41 /etc/init.d/sysd, POSIX 14->41 dropped 53 Sample tries to set files in /etc globally writable 14->53 55 Drops files in suspicious directories 14->55 57 Sample tries to persist itself using System V runlevels 14->57 18 ssh-agent-auth.arm7.elf 14->18         started        20 ssh-agent-auth.arm7.elf sh 14->20         started        22 ssh-agent-auth.arm7.elf 14->22         started        24 21 other processes 14->24 signatures8 process9 process10 26 ssh-agent-auth.arm7.elf 18->26         started        29 sh cp 20->29         started        31 ssh-agent-auth.arm7.elf 22->31         started        33 ssh-agent-auth.arm7.elf 24->33         started        35 ssh-agent-auth.arm7.elf 24->35         started        37 ssh-agent-auth.arm7.elf 24->37         started        39 18 other processes 24->39 signatures11 49 Manipulation of devices in /dev 26->49 51 Deletes system log files 26->51
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-31 21:15:47 UTC
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence upx
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes Audit logs
Deletes itself
Deletes journal logs
Traces itself
Mirai
Mirai family
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 4764c496d2e6fd15973f5548e02911b916841621ba947fc3995bb7baa9bb0cb9

(this sample)

  
Delivery method
Distributed via web download

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