MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 559f28d46c86389def9a0fce04524b14cf51498fda7381f3e4e7544ed88f926b. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 559f28d46c86389def9a0fce04524b14cf51498fda7381f3e4e7544ed88f926b
SHA3-384 hash: af391fce7bc60af5bda2be5084d297387f4d3dce0f79195c644be50aea2253913130b6fc02be03fbe2bb4477f5540712
SHA1 hash: 08b592d7fce2d3d4a8fd20d324f8fdb0345f1639
MD5 hash: 24114aa688e951a4abe886bbd92915d9
humanhash: lima-rugby-march-quiet
File name:ub8ehJSePAfc9FYqZIT6.mips
Download: download sample
Signature Mirai
File size:69'012 bytes
First seen:2026-01-08 21:07:07 UTC
Last seen:2026-01-08 22:26:53 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:tEARJb4k17ojL5VSLF//o3Qo7OaXUKno4CiNaDTVJuM:KARfq+p//IVLk9nVQM
TLSH T18163F13C635507A2EA9240F91B792F815C495F87B5C39E8F7750EF6F8842B243491BCA
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 :
3
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Manages services
Creating a file
Locks files
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-08T18:12:00Z UTC
Last seen:
2026-01-10T12:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=1c83ee5e-1900-0000-f22a-2bbb5b090000 pid=2395 /usr/bin/sudo guuid=83466d62-1900-0000-f22a-2bbb5c090000 pid=2396 /tmp/sample.bin guuid=1c83ee5e-1900-0000-f22a-2bbb5b090000 pid=2395->guuid=83466d62-1900-0000-f22a-2bbb5c090000 pid=2396 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1846918 Sample: ub8ehJSePAfc9FYqZIT6.mips.elf Startdate: 08/01/2026 Architecture: LINUX Score: 96 116 169.254.169.254, 80 USDOSUS Reserved 2->116 118 162.213.35.25, 443, 56136 CANONICAL-ASGB United States 2->118 120 daisy.ubuntu.com 2->120 122 Malicious sample detected (through community Yara rule) 2->122 124 Multi AV Scanner detection for submitted file 2->124 126 Yara detected Gafgyt 2->126 128 2 other signatures 2->128 11 ub8ehJSePAfc9FYqZIT6.mips.elf 2->11         started        14 systemd ub8ehJSePAfc9FYqZIT6.mips.elf 2->14         started        17 systemd ub8ehJSePAfc9FYqZIT6.mips.elf 2->17         started        19 22 other processes 2->19 signatures3 process4 file5 136 Sample tries to set files in /etc globally writable 11->136 138 Drops files in suspicious directories 11->138 21 ub8ehJSePAfc9FYqZIT6.mips.elf sh 11->21         started        23 ub8ehJSePAfc9FYqZIT6.mips.elf sh 11->23         started        25 ub8ehJSePAfc9FYqZIT6.mips.elf sh 11->25         started        31 4 other processes 11->31 114 /etc/init.d/chaotic, POSIX 14->114 dropped 33 6 other processes 14->33 27 ub8ehJSePAfc9FYqZIT6.mips.elf sh 17->27         started        35 5 other processes 17->35 29 ub8ehJSePAfc9FYqZIT6.mips.elf sh 19->29         started        37 5 other processes 19->37 signatures6 process7 process8 48 2 other processes 21->48 39 sh update-rc.d 23->39         started        42 sh crontab 25->42         started        44 sh crontab 27->44         started        46 sh crontab 29->46         started        51 3 other processes 31->51 53 5 other processes 33->53 55 4 other processes 35->55 57 4 other processes 37->57 file9 130 Sample tries to persist itself using System V runlevels 39->130 59 update-rc.d systemctl 39->59         started        132 Executes the "crontab" command typically for achieving persistence 42->132 112 /var/spool/cron/crontabs/tmp.EOL0wb, ASCII 48->112 dropped 134 Sample tries to persist itself using cron 48->134 61 sh crontab 48->61         started        64 systemctl systemd-sysv-install 51->64         started        66 systemctl systemd-sysv-install 53->66         started        68 update-rc.d systemctl 53->68         started        70 systemctl systemd-sysv-install 55->70         started        72 update-rc.d systemctl 55->72         started        74 systemctl systemd-sysv-install 57->74         started        76 update-rc.d systemctl 57->76         started        signatures10 process11 signatures12 140 Executes the "crontab" command typically for achieving persistence 61->140 78 systemd-sysv-install update-rc.d 64->78         started        80 systemd-sysv-install update-rc.d 64->80         started        82 systemd-sysv-install getopt 64->82         started        92 3 other processes 66->92 84 systemd-sysv-install update-rc.d 70->84         started        86 systemd-sysv-install update-rc.d 70->86         started        88 systemd-sysv-install getopt 70->88         started        90 systemd-sysv-install update-rc.d 74->90         started        94 2 other processes 74->94 process13 process14 96 update-rc.d systemctl 78->96         started        98 update-rc.d systemctl 80->98         started        100 update-rc.d systemctl 84->100         started        102 update-rc.d systemctl 86->102         started        104 update-rc.d systemctl 90->104         started        106 update-rc.d systemctl 92->106         started        108 update-rc.d systemctl 92->108         started        110 update-rc.d systemctl 94->110         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-08 21:08:30 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies systemd
Writes file to system bin folder
Modifies Watchdog functionality
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: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 559f28d46c86389def9a0fce04524b14cf51498fda7381f3e4e7544ed88f926b

(this sample)

  
Delivery method
Distributed via web download

Comments