MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94
SHA3-384 hash: 878becf040197e935fdd588381e45f6b9e833215810dfa7cdd4d53dbb80c95b3d6d95238bb18e027c7c80ca5e14603d6
SHA1 hash: 82700722a37195e723ffe8c1c43e36306520b056
MD5 hash: 74049f9687adec96322c9f1420043fa8
humanhash: skylark-crazy-india-eight
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:211'628 bytes
First seen:2026-01-08 21:04:02 UTC
Last seen:2026-01-09 06:14:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:/PWg34cNBy9dEcqIIqIj5q1E+rTqj05KY9Mc:LmE+F9l
TLSH T1DF24961E6E328F7DF268C73447B74A34975D33DA23E1D684E1ACC1152E6029E641FBA8
telfhash t1b941811c0a7413f4a3695c9d59edfb36d66330dabe262c338f11e86aa76aa435d10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-12.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-10056448-0
Create hunting rule

Unix.Trojan.Mirai-10056452-0
Create hunting rule

Unix.Trojan.Mirai-10058666-0
Create hunting rule

Unix.Trojan.Mirai-10059004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Runs as daemon
Sets a written file as executable
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash gafgyt lolbin mirai
Link:
https://www.filescan.io/uploads/69601be5a0c0d48bb4641ecc/reports/33a02b9c-a2a1-4576-9818-d16412b42e7f/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-08T19:06:00Z UTC
Last seen:
2026-01-09T00:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e8add2bf-9a3a-4070-86a2-d748a0c6d31b
Behavior Graph:
Download SVG
%3 guuid=3c2a97d9-1900-0000-6216-28565e0c0000 pid=3166 /usr/bin/sudo guuid=6d1b0ddc-1900-0000-6216-2856640c0000 pid=3172 /tmp/sample.bin guuid=3c2a97d9-1900-0000-6216-28565e0c0000 pid=3166->guuid=6d1b0ddc-1900-0000-6216-2856640c0000 pid=3172 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9839964a-5976-43eb-9489-6da2105232be
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1846922
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1846922 Sample: mips.elf Startdate: 08/01/2026 Architecture: LINUX Score: 100 33 144.31.165.63, 34840, 6060 UAMS-ASNUS United States 2->33 35 daisy.ubuntu.com 2->35 37 Found malware configuration 2->37 39 Antivirus detection for dropped file 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 3 other signatures 2->43 9 mips.elf 2->9         started        11 systemd snap-failure 2->11         started        13 gnome-session-binary sh gnome-shell 2->13         started        15 5 other processes 2->15 signatures3 process4 process5 17 mips.elf 9->17         started        19 snap-failure systemctl 11->19         started        21 snap-failure 11->21         started        process6 23 mips.elf 17->23         started        file7 29 /var/main, ELF 23->29 dropped 31 /etc/init.d/xs.main, POSIX 23->31 dropped 45 Sample tries to set files in /etc globally writable 23->45 47 Drops files in suspicious directories 23->47 49 Sample deletes itself 23->49 27 mips.elf 23->27         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-08 21:04:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6a5t75i36tn762vwg7gjvlzubny3pchyotk2dvir3o5c2xgfnoka._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/260108-zww4lsat4f/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fbcb779f-060e-4197-acba-1eca8b1959ae
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/f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 f03b3ff51bf4dbff6ab637cc9aaf340b71b788f874d5a1d511dbba2d5cc56b94

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3753578/
  
Delivery method
Distributed via web download

Comments