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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5a0f571387cc53c1f817b322e543ab8ef2078bd0e61e1a2fa4fcabe9f43a7fb. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5a0f571387cc53c1f817b322e543ab8ef2078bd0e61e1a2fa4fcabe9f43a7fb
SHA3-384 hash: 3f350a7a7fc70d41fa201c3fa28142516441f0eb4a8f00c882a29e19fe6480a44d4eb08f81381e9e12f49dcc1327bc0e
SHA1 hash: 87916078eedfe8e4a787a8ea552b64b2d0f4987a
MD5 hash: ee92f4fe97cb9911225b4422c7c2f021
humanhash: connecticut-dakota-chicken-failed
File name:m68k
Download: download sample
Signature Mirai
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File size:426'900 bytes
First seen:2026-10-10 03:27:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:n1VV2uR9uBjI0QQvzFRHKYUR+OBqvX42gV8KpzCLeeBvxc/ae8nsQ:1+BnzFUYt4qvXgj8te8sQ
TLSH T1A6942A8862B5FBDEE296FE7993017C0A5C298B317883354570AEF97313B72410AF9D61
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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SecuriteInfo.com.Linux.Mirai-44.UNOFFICIAL
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Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-10-10T00:49:00Z UTC
Last seen:
2026-10-11T18:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b5a0f571387cc53c1f817b322e543ab8ef2078bd0e61e1a2fa4fcabe9f43a7fb/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a93bd60f-45f7-4949-ac48-d18784dbfb7e
Behavior Graph:
Download SVG
%3 guuid=4ca5c86b-1a00-0000-ce7a-cb28fe070000 pid=2046 /usr/bin/sudo guuid=4238fe6e-1a00-0000-ce7a-cb2808080000 pid=2056 /tmp/sample.bin guuid=4ca5c86b-1a00-0000-ce7a-cb28fe070000 pid=2046->guuid=4238fe6e-1a00-0000-ce7a-cb2808080000 pid=2056 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/865d5581-c3c4-4963-b18e-77e1a100c8fc
Result
Threat name:
DirtyFrag, Mirai
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Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1985222
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected DirtyFrag
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5a0f571387cc53c1f817b322e543ab8ef2078bd0e61e1a2fa4fcabe9f43a7fb
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b5a0f571387cc53c1f817b322e543ab8ef2078bd0e61e1a2fa4fcabe9f43a7fb/
Threat name:
Linux.Exploit.DirtyFrag
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Status:
Malicious
First seen:
2026-10-10 03:28:39 UTC
File Type:
ELF32 Big (SO)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwqpk4jyptctyh4bpmzc4vb2xdxsa6f5bzq6dix2j7fl5h2du75q._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/261010-d1keqafx5p/
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:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Detect_all_IPv6_variants
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Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:ELF_IoT_Persistence_Hunt
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Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Packer_Dropper_Fileless_Armhf
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Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
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Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
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Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:Linux_Exploit_CVE_2018_10562_badc0676
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Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:Linux_Exploit_CVE_2021_46422_69af1b79
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Author:Elastic Security
Description:Exploit code used in the ZeroBot malware
Rule name:MIRAI_OHSHIT_payload
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Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
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Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
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Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
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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 b5a0f571387cc53c1f817b322e543ab8ef2078bd0e61e1a2fa4fcabe9f43a7fb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3947284/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3947498/

Comments