MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2b0de132ef96ef82d4b7d9029f785b69d3255d7cde7a0a4487eb236f450de8f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2b0de132ef96ef82d4b7d9029f785b69d3255d7cde7a0a4487eb236f450de8f
SHA3-384 hash: 80d9d0a7000769bfc91fae8bdca2b27c216135aa8efd21bbf44ac612a2aa31a1af023a4a17b2ef6bd5063e7c5a478f70
SHA1 hash: 7dfa6bc0f2e7ca413d3dbb2faaf9aa5d9bb8fe85
MD5 hash: 6524b260dc89451d6f060502485a6de9
humanhash: solar-iowa-alaska-five
File name:flutter.mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:136'888 bytes
First seen:2026-08-19 14:15:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:dE7rg+RUfhECevvsUiS8npL2SDi5wpIj1Tmy1DvDOBi3DxXXLNznq8:dE7Utfh+CtESWP131XOBi3NJrq8
TLSH T150D323FA154A5F58A300C5B4E31A02673A873C46F9C3E83CB9DF74B4662EA549973DC2
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :136'888 bytes
File size (de-compressed) :266'584 bytes
Format:linux/mipsel
Unpacked file: 4fc3bf4be5e50cda6f2750158cc279df6a38d29a0d2990e384c3e74cf195d3d9

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/91551659-42e7-4d64-96e4-587fe33bd1fa/
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
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ed73ae2e-90b8-4bd1-807a-42ac52de7125
Behavior Graph:
Download SVG
%3 guuid=7c830336-1a00-0000-ecd4-543253070000 pid=1875 /usr/bin/sudo guuid=d826c838-1a00-0000-ecd4-543257070000 pid=1879 /tmp/sample.bin guuid=7c830336-1a00-0000-ecd4-543253070000 pid=1875->guuid=d826c838-1a00-0000-ecd4-543257070000 pid=1879 execve guuid=aa90bc3a-1a00-0000-ecd4-54325b070000 pid=1883 /usr/bin/dash guuid=d826c838-1a00-0000-ecd4-543257070000 pid=1879->guuid=aa90bc3a-1a00-0000-ecd4-54325b070000 pid=1883 clone guuid=8977c03a-1a00-0000-ecd4-54325c070000 pid=1884 /usr/bin/dash guuid=d826c838-1a00-0000-ecd4-543257070000 pid=1879->guuid=8977c03a-1a00-0000-ecd4-54325c070000 pid=1884 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d8c4b1e4-3b32-45b5-bd7a-fccc58d5c818
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1960431
Signature
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960431 Sample: flutter.mipsel.elf Startdate: 19/08/2026 Architecture: LINUX Score: 68 36 vps.atlas101.us.kg 91.92.42.242, 44516, 6767 TODYL-CLOUD-TodylIncUS Netherlands 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 Sample is packed with UPX 2->42 10 flutter.mipsel.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        signatures3 process4 process5 16 flutter.mipsel.elf 10->16         started        process6 18 flutter.mipsel.elf 16->18         started        file7 32 /etc/rc.local, ASCII 18->32 dropped 34 /etc/cron.d/flutter, ASCII 18->34 dropped 44 Sample tries to persist itself using cron 18->44 46 Sample tries to persist itself using System V runlevels 18->46 22 flutter.mipsel.elf 18->22         started        24 flutter.mipsel.elf systemctl 18->24         started        26 flutter.mipsel.elf systemctl 18->26         started        28 flutter.mipsel.elf 18->28         started        signatures8 process9 process10 30 flutter.mipsel.elf 22->30         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f2b0de132ef96ef82d4b7d9029f785b69d3255d7cde7a0a4487eb236f450de8f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2b0de132ef96ef82d4b7d9029f785b69d3255d7cde7a0a4487eb236f450de8f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-19 14:18:25 UTC
File Type:
ELF32 Little (SO)
AV detection:
9 of 23 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6kyn4ezo7fxpqlklpwict54fw2otevoxzxt2bjcip2zdn5cq32hq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
command_and_control defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260819-rldwaawcpb/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
UPX packed file
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
Outbound SSH connection to public host
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/f2b0de132ef96ef82d4b7d9029f785b69d3255d7cde7a0a4487eb236f450de8f

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_arm_mips_ko_so
Create hunting rule
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 f2b0de132ef96ef82d4b7d9029f785b69d3255d7cde7a0a4487eb236f450de8f

(this sample)

Mirai

elf 4fc3bf4be5e50cda6f2750158cc279df6a38d29a0d2990e384c3e74cf195d3d9

  
URLhaus
https://urlhaus.abuse.ch/url/3904696/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 4fc3bf4be5e50cda6f2750158cc279df6a38d29a0d2990e384c3e74cf195d3d9
  
Dropping
MD5 c77dc38c16bd1eca6d0bf31d115e9fa5
  
URLhaus
https://urlhaus.abuse.ch/url/3904706/

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