MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61
SHA3-384 hash: c49a7727e70c0911e645b095f26d0a8d2e0f470f33515e48980204772f00451e5994211a2d18553b9104f463a3a49e46
SHA1 hash: b357f295d9dc0fbc19e376e648f962dda933277c
MD5 hash: 8c4d2da585cea9969fbd1921e262ad37
humanhash: echo-lemon-summer-oscar
File name:flutter.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:181'568 bytes
First seen:2026-08-17 05:43:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Gqprls/USObpvR21ZvXr/DxzznQS76ejfV+/UX9R92vvpE5av:Xpry/9mpvI1Nl3QaPVeUX9R9FQ
TLSH T1B2044A03A5D294FDC19BC97087AFD536E931389802357A2F6B98AF312E35E70272E751
telfhash t1334190706dd938b86293db479312e929fe73095031ee7af85557acd1cd0abc01c66426
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 5537f0345c0d67d98c28609e1f8ea4f4e81460bdf7c96c1e62a81d457518489e
File size (compressed) :92'868 bytes
File size (de-compressed) :181'568 bytes
Format:linux/amd64
Packed file: 5537f0345c0d67d98c28609e1f8ea4f4e81460bdf7c96c1e62a81d457518489e

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Manages services
Kills processes
Opens a port
Connection attempt
Changes access rights for a written file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-15T20:32:00Z UTC
Last seen:
2026-08-15T21:02:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/864dcd39-a76c-4a5f-92e9-a823ed4baefd
Behavior Graph:
Download SVG
%3 guuid=209a83ac-1b00-0000-c9d6-fd18550a0000 pid=2645 /usr/bin/sudo guuid=88f277af-1b00-0000-c9d6-fd18570a0000 pid=2647 /tmp/sample.bin net write-file guuid=209a83ac-1b00-0000-c9d6-fd18550a0000 pid=2645->guuid=88f277af-1b00-0000-c9d6-fd18570a0000 pid=2647 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=88f277af-1b00-0000-c9d6-fd18570a0000 pid=2647->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2a6dcfaf-1b00-0000-c9d6-fd18580a0000 pid=2648 /tmp/sample.bin zombie guuid=88f277af-1b00-0000-c9d6-fd18570a0000 pid=2647->guuid=2a6dcfaf-1b00-0000-c9d6-fd18580a0000 pid=2648 clone guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649 /tmp/sample.bin net send-data write-config write-file guuid=2a6dcfaf-1b00-0000-c9d6-fd18580a0000 pid=2648->guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649 clone guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 236259b2-dc6a-5719-883a-675ad834e4e1 91.92.42.242:6767 guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649->236259b2-dc6a-5719-883a-675ad834e4e1 send: 612B guuid=8f95ffaf-1b00-0000-c9d6-fd185a0a0000 pid=2650 /tmp/sample.bin guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649->guuid=8f95ffaf-1b00-0000-c9d6-fd185a0a0000 pid=2650 clone guuid=0dd706b0-1b00-0000-c9d6-fd185b0a0000 pid=2651 /tmp/sample.bin guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649->guuid=0dd706b0-1b00-0000-c9d6-fd185b0a0000 pid=2651 clone guuid=85cb9bb0-1b00-0000-c9d6-fd185d0a0000 pid=2653 /usr/bin/systemctl guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649->guuid=85cb9bb0-1b00-0000-c9d6-fd185d0a0000 pid=2653 execve guuid=2c3dea27-1c00-0000-c9d6-fd181f0b0000 pid=2847 /usr/bin/systemctl guuid=666beaaf-1b00-0000-c9d6-fd18590a0000 pid=2649->guuid=2c3dea27-1c00-0000-c9d6-fd181f0b0000 pid=2847 execve guuid=45cf37b0-1b00-0000-c9d6-fd185c0a0000 pid=2652 /tmp/sample.bin guuid=0dd706b0-1b00-0000-c9d6-fd185b0a0000 pid=2651->guuid=45cf37b0-1b00-0000-c9d6-fd185c0a0000 pid=2652 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e35d5f3f-b17c-44a4-ac55-1f27f189510c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-16 01:28:16 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vcpiviwxdl5rcqou25ciih65g7wmfvq6fhsuloiqf754endbtjqq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260817-gfgpwavsa1/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
Modifies Watchdog functionality
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a89e8aa2d71a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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

File information

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

Web download

Mirai

elf 5537f0345c0d67d98c28609e1f8ea4f4e81460bdf7c96c1e62a81d457518489e

Mirai

elf a89e8aa2d71afb1141d4d744841fdd37ecc2d61e29e545b9102ffbc234619a61

(this sample)

  
Dropped by
SHA256 5537f0345c0d67d98c28609e1f8ea4f4e81460bdf7c96c1e62a81d457518489e
  
URLhaus
https://urlhaus.abuse.ch/url/3904705/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3904721/
  
Dropped by
MD5 c51cd4a1e34f08bc2f21ba6fc2e45226

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