MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bbb478c8b9d843bfac8b3e30c1a8995c8083c9bec566afb0a8cc83f0152a855. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 3bbb478c8b9d843bfac8b3e30c1a8995c8083c9bec566afb0a8cc83f0152a855
SHA3-384 hash: 77c35c64fa3307254ea518c7fc2983ccaa830d1f7f3867d2864c51f0d2e509b620c20ccf31ffc405ed2ae84322f9c592
SHA1 hash: dbe2cb6069406d5dc08b0e40fdf101469502df40
MD5 hash: 9ba0e76a6ef9cfb6bacd0b6135e682be
humanhash: twelve-item-four-three
File name:Polar.m68k
Download: download sample
Signature Mirai
File size:184'736 bytes
First seen:2025-11-22 16:36:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:NMoXwVQ2Y3PMh3OVKJIO5IytODNXZpYqwGpN69RpcPVKjbiuLWH5zB8l:NMo22PMBiyt8NXZ3wpbpcMLWHT8l
TLSH T1D80429CBF800DDBEF80AE77A4C530909B130B7B254925A337257796BED3A1A44527F86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-19T22:33:00Z UTC
Last seen:
2025-11-23T10:24:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Status:
terminated
Behavior Graph:
%3 guuid=a000c55b-1a00-0000-550a-1103530a0000 pid=2643 /usr/bin/sudo guuid=a3b81f5e-1a00-0000-550a-11035d0a0000 pid=2653 /tmp/sample.bin guuid=a000c55b-1a00-0000-550a-1103530a0000 pid=2643->guuid=a3b81f5e-1a00-0000-550a-11035d0a0000 pid=2653 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819130 Sample: Polar.m68k.elf Startdate: 22/11/2025 Architecture: LINUX Score: 76 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Gafgyt 2->34 8 Polar.m68k.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.m68k.elf 8->12         started        14 Polar.m68k.elf 8->14         started        16 Polar.m68k.elf 8->16         started        process6 18 Polar.m68k.elf 12->18         started        20 Polar.m68k.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-20 01:31:53 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_ea92cca8
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
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:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
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 3bbb478c8b9d843bfac8b3e30c1a8995c8083c9bec566afb0a8cc83f0152a855

(this sample)

  
Delivery method
Distributed via web download

Comments