MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31c7ba1ae705063552f31e6deca1602468cfa6f93ed33e59b89312bb7dd0d8aa. 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 3 File information Comments

SHA256 hash: 31c7ba1ae705063552f31e6deca1602468cfa6f93ed33e59b89312bb7dd0d8aa
SHA3-384 hash: 4a199a33bb030e0458dbfe3475f4b73979262745c20804412af0d678c5379fbf328f41f1bbfbd4a70c0c6e5d28db7a2c
SHA1 hash: f214068e07df4a64aa675303cba0982d0bf21af0
MD5 hash: 0821cf9c43efe343a5f7768ec65d3e8c
humanhash: may-tennessee-king-high
File name:m68k
Download: download sample
Signature Mirai
File size:204'928 bytes
First seen:2025-12-14 23:02:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:iTZjyB+jO6QLvpmiAP/7VuKmyoXNl3MzFcJ5tUl8iq+zEVvjbidL4dwHuh/FBe7l:bB+sxyo9l3MzF+5Tf+zxLqMUe7l
TLSH T1FC144BC7F801EDBDF80BE77744130909B530B76214935B37726BB967AC390A90927E9A
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-14T21:10:00Z UTC
Last seen:
2025-12-16T20:35:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832649 Sample: m68k.elf Startdate: 15/12/2025 Architecture: LINUX Score: 68 35 teamc2.duckdns.org 2->35 37 169.254.169.254, 80 USDOSUS Reserved 2->37 39 5 other IPs or domains 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Yara detected Gafgyt 2->45 8 m68k.elf 2->8         started        11 systemd snapd-env-generator 2->11         started        13 dash rm 2->13         started        15 10 other processes 2->15 signatures3 47 Uses dynamic DNS services 35->47 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 m68k.elf sh 8->17         started        19 m68k.elf sh 8->19         started        21 m68k.elf 8->21         started        23 2 other processes 8->23 process6 process7 25 sh systemctl 17->25         started        27 sh systemctl 19->27         started        29 m68k.elf 21->29         started        31 m68k.elf 21->31         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-14 23:03:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
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 31c7ba1ae705063552f31e6deca1602468cfa6f93ed33e59b89312bb7dd0d8aa

(this sample)

  
Delivery method
Distributed via web download

Comments