MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40af1925155706182ec2018796144f27643810d8781097be356cd62dc177c889. 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: 12


Intelligence 12 IOCs YARA 12 File information Comments

SHA256 hash: 40af1925155706182ec2018796144f27643810d8781097be356cd62dc177c889
SHA3-384 hash: fea1fb3364369d7ca9db52c18e6dbf782afa7988676d09639414860c7afb81e2383b29757f66bcb68008e60fac5db040
SHA1 hash: c71b1d632f1b2517786b4667727e12246637fbc0
MD5 hash: 4f1fbd53fcc53f26fc90a1d24cd4c09d
humanhash: mobile-magnesium-stream-golf
File name:x86
Download: download sample
Signature Mirai
File size:96'588 bytes
First seen:2025-12-02 17:23:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:e+kBWnrR3hBjPQ4A/F4Dco41nCHnqIuuCK6SlZ38/Mm:exWnFxBjI4c0coqnCHqIFTPkMm
TLSH T171935BC5FA43E0F6E85705B65037BB328732E539502ADA42D7A9ED32EC52A01D61B39C
telfhash t15651e3fa2ebe09e9b3c0a804c30e9ea21969d637196032b541b36dd533f7d5190bac35
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf Hailbot mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-30T21:42:00Z UTC
Last seen:
2025-11-30T23:17:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.hj HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824705 Sample: x86.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 25 mirai.48101.online. [malformed] 2->25 27 ihatemylife.racist.black. [malformed] 2->27 29 103 other IPs or domains 2->29 33 Suricata IDS alerts for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 41 3 other signatures 2->41 8 x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 39 Sends malformed DNS queries 27->39 process4 process5 16 x86.elf 8->16         started        19 x86.elf 8->19         started        21 x86.elf 8->21         started        signatures6 31 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->31 23 x86.elf 19->23         started        process7
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-01 03:31:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
hailbot
Score:
  10/10
Tags:
family:hailbot discovery linux
Behaviour
Reads runtime system information
Changes its process name
Renames itself
Contacts a large (66669) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:ach_202412_elf_hailbot
Author:abuse.ch
Description:Detects HailBot ELF files
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 40af1925155706182ec2018796144f27643810d8781097be356cd62dc177c889

(this sample)

  
Delivery method
Distributed via web download

Comments