MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03dea2fdbbece0bb95bcc7d1d0e46878d55f666efb087184a9a2bdde79cec5a2. 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 3 File information Comments

SHA256 hash: 03dea2fdbbece0bb95bcc7d1d0e46878d55f666efb087184a9a2bdde79cec5a2
SHA3-384 hash: eaa0bed2bc8b09eb0059479bd26d765b86df224d32c766a2caa02629df12d8e7b69e0519ff69aa9c06420252c6532815
SHA1 hash: 7e9a3d97710eff78b8a184523122b334fe2ed93f
MD5 hash: 0e22557694d8e0f071850e763d405986
humanhash: missouri-bulldog-mars-red
File name:flutter.mips
Download: download sample
Signature Mirai
File size:126'248 bytes
First seen:2026-06-28 03:49:58 UTC
Last seen:2026-06-28 04:09:12 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:AuPh6tqntbVLhHWbo6s/Z+F57mFdyV2OU2WWp8E:X56tqnB32iZm4dyVxB8E
TLSH T1F4C3127DD890F534901FB538C3E28FEAD8714C5D8FAF95AFC166A601C75A2F27125822
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :126'248 bytes
File size (de-compressed) :241'208 bytes
Format:linux/mips
Unpacked file: 04e16f35916321dab115dab2fd960623dc43e29f2c24f2094b492e5b48ffb8c8

Intelligence


File Origin
# of uploads :
2
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Connection attempt
Changes access rights for a written file
Sends data to a server
Receives data from a server
Kills processes
Opens a port
Runs as daemon
Manages services
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1934600 Sample: flutter.mips.elf Startdate: 28/06/2026 Architecture: LINUX Score: 68 38 141.11.88.109, 34852, 34854, 34856 ROYALE-ASNL United States 2->38 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 3 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Mirai 2->46 48 Sample is packed with UPX 2->48 10 dash rm flutter.mips.elf 2->10         started        12 dash rm 2->12         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        signatures3 process4 process5 18 flutter.mips.elf 10->18         started        process6 20 flutter.mips.elf 18->20         started        file7 34 /etc/rc.local, ASCII 20->34 dropped 36 /etc/cron.d/flutter, ASCII 20->36 dropped 50 Sample tries to persist itself using cron 20->50 52 Sample tries to persist itself using System V runlevels 20->52 24 flutter.mips.elf 20->24         started        26 flutter.mips.elf systemctl 20->26         started        28 flutter.mips.elf systemctl 20->28         started        30 flutter.mips.elf 20->30         started        signatures8 process9 process10 32 flutter.mips.elf 24->32         started       
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
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
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:elf_arm_mips_ko_so
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 03dea2fdbbece0bb95bcc7d1d0e46878d55f666efb087184a9a2bdde79cec5a2

(this sample)

  
Delivery method
Distributed via web download

Comments