MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b89208e9349d35fdc5074837e5a17de0bbd11d91630c8a6da4e3f897d10810f2. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b89208e9349d35fdc5074837e5a17de0bbd11d91630c8a6da4e3f897d10810f2
SHA3-384 hash: 19d7cd24295f26cd150362cf0e9eb882200104bd5bf3a8db8fe5d7220e5226dfb36e353637ed48d1372ee5bed7f6baf5
SHA1 hash: 0b83eadb58f1bc31f7032444a835aa99ad5abbec
MD5 hash: b15907612e4c1bde0272347e0b42a426
humanhash: oxygen-indigo-jupiter-beer
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:242'968 bytes
First seen:2026-08-21 20:41:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:UC9k0Y3+dK+/Hbik+1ozcXruE6XqXM2aqfbbfU+o94Hx5:h9VK/1NruE02VbbsN+
TLSH T1C934D80AAB620FFBE86FDD3706E90B0621CCA40726A43F767574D914F54A64B49E3C78
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 34e511ff3dc026dd04f2de64e23ffd6f5fda98e3932770fce1894a6bfc6401c3
File size (compressed) :78'480 bytes
File size (de-compressed) :242'968 bytes
Format:linux/mipsel
Packed file: 34e511ff3dc026dd04f2de64e23ffd6f5fda98e3932770fce1894a6bfc6401c3

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.2637.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10060415-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a file as executable
Runs as daemon
Kills processes
Locks files
Launching a process
Kills critical processes
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin mirai
Link:
https://www.filescan.io/uploads/6a88b82541f8a65ae439c6df/reports/d291925f-ecc1-4469-b7b9-8bbc8164d425/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cdb06386-bb5b-4e02-b717-884fb45c16b3
Behavior Graph:
Download SVG
%3 guuid=4f3e6470-1b00-0000-c44d-472f6a030000 pid=874 /usr/bin/sudo guuid=b65dda72-1b00-0000-c44d-472f6e030000 pid=878 /tmp/sample.bin guuid=4f3e6470-1b00-0000-c44d-472f6a030000 pid=874->guuid=b65dda72-1b00-0000-c44d-472f6e030000 pid=878 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/185fb3cb-b681-4e4f-9f07-b16b49a3683c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1962020
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962020 Sample: mipsel.elf Startdate: 21/08/2026 Architecture: LINUX Score: 80 120 83.168.69.141, 57572, 57574, 57576 SKYPASS-ASPL Poland 2->120 122 Antivirus / Scanner detection for submitted sample 2->122 124 Multi AV Scanner detection for submitted file 2->124 126 Yara detected Mirai 2->126 14 mipsel.elf 2->14         started        17 systemd snapd-env-generator 2->17         started        19 systemd snapd-env-generator 2->19         started        signatures3 process4 signatures5 140 Found strings related to Crypto-Mining 14->140 21 mipsel.elf 14->21         started        process6 process7 23 mipsel.elf 21->23         started        signatures8 130 Sample deletes itself 23->130 26 mipsel.elf 23->26         started        30 mipsel.elf 23->30         started        32 mipsel.elf iptables 23->32         started        34 mipsel.elf iptables 23->34         started        process9 file10 118 /etc/hosts, ASCII 26->118 dropped 132 Sample tries to kill multiple processes (SIGKILL) 26->132 134 Deletes system log files 26->134 36 mipsel.elf 26->36         started        38 mipsel.elf 26->38         started        40 mipsel.elf 26->40         started        43 21 other processes 26->43 signatures11 process12 file13 45 mipsel.elf 36->45         started        48 mipsel.elf 36->48         started        50 mipsel.elf 36->50         started        57 26 other processes 36->57 52 mipsel.elf 38->52         started        54 mipsel.elf 38->54         started        59 26 other processes 38->59 114 /run/.watchdog.pid, ASCII 40->114 dropped 61 22 other processes 40->61 116 /run/.locker.pid, ASCII 43->116 dropped 63 14 other processes 43->63 process14 file15 136 Sample tries to kill multiple processes (SIGKILL) 45->136 138 Deletes system log files 45->138 65 21 other processes 45->65 67 17 other processes 48->67 69 2 other processes 50->69 71 17 other processes 52->71 110 /run/.iptables.rules, ASCII 54->110 dropped 73 17 other processes 54->73 75 28 other processes 57->75 77 28 other processes 59->77 79 20 other processes 61->79 112 /run/.disabled.list, ASCII 63->112 dropped 81 6 other processes 63->81 signatures16 process17 process18 83 mipsel.elf 65->83         started        86 mipsel.elf 65->86         started        88 mipsel.elf 65->88         started        90 31 other processes 65->90 signatures19 128 Sample tries to kill multiple processes (SIGKILL) 83->128 92 mipsel.elf iptables 83->92         started        94 mipsel.elf iptables 83->94         started        96 mipsel.elf iptables 86->96         started        98 mipsel.elf iptables 86->98         started        100 mipsel.elf iptables 88->100         started        102 mipsel.elf iptables 88->102         started        104 mipsel.elf iptables 90->104         started        106 mipsel.elf iptables 90->106         started        108 16 other processes 90->108 process20
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b89208e9349d35fdc5074837e5a17de0bbd11d91630c8a6da4e3f897d10810f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b89208e9349d35fdc5074837e5a17de0bbd11d91630c8a6da4e3f897d10810f2/
Threat name:
Linux.Trojan.FlyLegitBot
Create hunting rule
Status:
Malicious
First seen:
2026-08-21 20:42:49 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcjar2jutu273rihja36lil54c55chmrmmgiu3ne4p4jpuiicdza._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery
Link:
https://tria.ge/reports/260821-zg39da1xdz/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Checks CPU configuration
Enumerates running processes
Deletes itself
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/b89208e9349d35fdc5074837e5a17de0bbd11d91630c8a6da4e3f897d10810f2

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:test_rule_vldslv
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:virustotal
Create hunting rule
Author:Tracel
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf 34e511ff3dc026dd04f2de64e23ffd6f5fda98e3932770fce1894a6bfc6401c3

Mirai

elf b89208e9349d35fdc5074837e5a17de0bbd11d91630c8a6da4e3f897d10810f2

(this sample)

  
Dropped by
SHA256 34e511ff3dc026dd04f2de64e23ffd6f5fda98e3932770fce1894a6bfc6401c3
  
URLhaus
https://urlhaus.abuse.ch/url/3893635/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7b05b8dc468e009314fcf4a2c1e11092

Comments