MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6
SHA3-384 hash: bf704d4ad4e916bf4f2de67b36018e2c87da54c552d9ac999af773a098544ca30e53613eb54ad206d59f26eb3bce297c
SHA1 hash: d87398e2c2d579761a09833424450a92924045be
MD5 hash: b8f9994ade36013e38dc928b42c17b13
humanhash: hotel-tango-nitrogen-timing
File name:kvariant.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:94'912 bytes
First seen:2025-10-07 23:14:34 UTC
Last seen:2025-10-08 11:55:41 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:MMPHbooufj7b+rtjvD6tV8UevCvvoJqy7XJp7JOwyX3vvP0dEeT+ZjFlqRggd:5Ppsob6toCHoky7XJOwKfMqZjFc+gd
TLSH T179933AD7FC00ED7EF84DD73A44534909B230E3A10A822A766247B47BFD7A1A42967F46
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Exploit.Mirai-9798002-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68e59ee75a3bccf09ebc4554/reports/4807b2ad-2b23-427d-a9fd-a8423b2f95b5/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-07T21:41:00Z UTC
Last seen:
2025-10-07T22:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bc2884a8-2601-42e0-a9de-edb13a63fdea
Behavior Graph:
Download SVG
%3 guuid=1af077eb-1700-0000-345f-6cde6c0c0000 pid=3180 /usr/bin/sudo guuid=3acef3ed-1700-0000-345f-6cde740c0000 pid=3188 /tmp/sample.bin guuid=1af077eb-1700-0000-345f-6cde6c0c0000 pid=3180->guuid=3acef3ed-1700-0000-345f-6cde740c0000 pid=3188 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/029b2cac-f08b-4dcd-804c-fe32a6b0392f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1791063
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791063 Sample: kvariant.m68k.elf Startdate: 08/10/2025 Architecture: LINUX Score: 84 25 134.131.195.74 WPAFB-CSD-NET-ASUS United States 2->25 27 196.129.66.81 Vodafone-EG Egypt 2->27 29 99 other IPs or domains 2->29 31 Suricata IDS alerts for network traffic 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 37 3 other signatures 2->37 9 kvariant.m68k.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 kvariant.m68k.elf 9->17         started        process6 19 kvariant.m68k.elf 17->19         started        process7 21 kvariant.m68k.elf 19->21         started        23 kvariant.m68k.elf 19->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-07 23:15:59 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=2p6pj5unuzwtj4y4rryjrtl44oc7zqjndmt2pe5k5z6dxwl5wh3a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251007-28bpjszsbx/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f8deaf7d-4e5b-417f-8e88-02b662caf919
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/d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 d3fcf4f68da66d34f31c8c7098cd7ce385fcc12d1b27a793aaee7c3bd97db1f6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3620489/
  
Delivery method
Distributed via web download

Comments