MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28
SHA3-384 hash: 58ad132645c1753263f92b9372f8b5f3aed53e35812e3f785de2c33c1836468ea4abb207b5dec7063a2bba0643ed8786
SHA1 hash: 8f9e68943bb3d908486e3ad04ea31020d2ff80a4
MD5 hash: 6bac38a4dfed5225c30c4a85b32652e0
humanhash: eleven-march-burger-quiet
File name:main_mips
Download: download sample
Signature Mirai
Create hunting rule
File size:185'776 bytes
First seen:2025-07-15 06:09:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:7m0YSElSHAbLx8PrNRBXXxIq4CygFGE8LHGaIoAUX:7mMPrNXXhBR86aIZUX
TLSH T12A04B91A6E228F6DF768873447F78E21975933D627D1D680E2ACC1145F6028E681FFE8
telfhash t166419318197817e0a7356c59099dff37e6a720db7e262c378e21f46aab69e835d10c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Creating a file
Runs as daemon
Sets a written file as executable
Manages services
Launching a process
Creating a process from a recently created file
Replaces system binary files
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6875f0d78a7d628a81af40dc/reports/0462d80c-a3cd-4956-aaae-c09f189510cd/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
13
Number of processes launched:
326
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28
Behaviour
Anti-VM
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7a8465f0-9af0-4d2e-8ea5-6d08f19b5db6
Behavior Graph:
Download SVG
%3 guuid=58bd260a-1e00-0000-4b3a-9336150c0000 pid=3093 /usr/bin/sudo guuid=dd26ec0c-1e00-0000-4b3a-93361e0c0000 pid=3102 /tmp/sample.bin guuid=58bd260a-1e00-0000-4b3a-9336150c0000 pid=3093->guuid=dd26ec0c-1e00-0000-4b3a-93361e0c0000 pid=3102 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e8ea57da-2d61-4f26-a4f0-4328b0e075af
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1736766
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736766 Sample: main_mips.elf Startdate: 15/07/2025 Architecture: LINUX Score: 100 80 botnet.eu.cc 198.55.98.107, 1995, 55936 ASN-QUADRANET-GLOBALUS United States 2->80 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for dropped file 2->86 88 Antivirus / Scanner detection for submitted sample 2->88 90 2 other signatures 2->90 15 main_mips.elf .mod 2->15         started        signatures3 process4 file5 78 /.mod, ELF 15->78 dropped 82 Drops invisible ELF files 15->82 19 .mod 15->19         started        signatures6 process7 file8 68 /usr/bin/top, POSIX 19->68 dropped 70 /usr/bin/ps, POSIX 19->70 dropped 72 /usr/bin/netstat, POSIX 19->72 dropped 74 /usr/bin/ls, POSIX 19->74 dropped 92 Drops files in suspicious directories 19->92 23 .mod 19->23         started        25 .mod sh 19->25         started        27 .mod sh 19->27         started        29 9 other processes 19->29 signatures9 process10 process11 31 .mod sh 23->31         started        33 .mod sh 23->33         started        35 sh crontab 25->35         started        39 sh 25->39         started        41 sh systemctl 27->41         started        43 sh systemctl 29->43         started        45 sh mv 29->45         started        47 sh mv 29->47         started        49 6 other processes 29->49 file12 51 sh ps 31->51         started        53 sh cat 33->53         started        76 /var/spool/cron/crontabs/tmp.1AeKpi, ASCII 35->76 dropped 94 Sample tries to persist itself using cron 35->94 96 Executes the "crontab" command typically for achieving persistence 35->96 56 sh crontab 39->56         started        signatures13 process14 signatures15 58 ps ps.real 51->58         started        98 Sample reads /proc/mounts (often used for finding a writable filesystem) 53->98 100 Executes the "crontab" command typically for achieving persistence 56->100 process16 process17 60 ps.real ps.real 58->60         started        process18 62 ps.real ps.real 60->62         started        process19 64 ps.real ps.real 62->64         started        process20 66 ps.real ps.real 64->66         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 06:11:50 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sd7u5xxk56rgl6v6g2yygazn5u53v3lrzgsrc7gejry5uuya54ua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250715-gw92csfq4x/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads CPU attributes
Creates/modifies Cron job
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-8041698-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/4feaa198-a4bc-428c-a3a9-cc286cf37dd7
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/90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28

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:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 90ff4edeeaefa265fabe36b183032ded3bbaed71c9a5117cc44c71da5300ef28

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575769/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments