MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac4b2787018f412bb67b8eb60199530e62154f3e1dda0a21d05227c6e9f9ecd1. 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: 6


Intelligence 6 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac4b2787018f412bb67b8eb60199530e62154f3e1dda0a21d05227c6e9f9ecd1
SHA3-384 hash: 419ad349b4526596c327164b1ee9a5049cc82217d7dab7beafaa561e216833bb6ca2bf9489bf972c823d16a82d10fc4a
SHA1 hash: 414dfe4394c252b9a35925800f0f95d6c83d4977
MD5 hash: 1cae2acfcaa75caf5a8e30407b647f3b
humanhash: oklahoma-december-vegan-foxtrot
File name:kvariant.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:87'756 bytes
First seen:2026-01-18 17:57:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dAbq8d5Y7P6OMdnoJowt0+6emsCBkEZxO7YVSelZSpLPJNylS:dAbNdCj6voCwt0demCEpAyZCek
TLSH T14F8319C1B985AA26C7C1567BFF5F02893729539CE3EE330389254F60378B95B0D2B612
telfhash t131b09b53df090df416925c57c4d7134245d4714a52547411cfca1d4f4113d25f11b134
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

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

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

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

Unix.Trojan.Mirai-10042554-0
Create hunting rule

Unix.Trojan.Mirai-10042555-0
Create hunting rule

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1945b123-54eb-41ef-be40-664aa9b548a8
Behavior Graph:
Download SVG
%3 guuid=1b8dda4f-1a00-0000-b6e9-3b03b20d0000 pid=3506 /usr/bin/sudo guuid=01486751-1a00-0000-b6e9-3b03b80d0000 pid=3512 /tmp/sample.bin guuid=1b8dda4f-1a00-0000-b6e9-3b03b20d0000 pid=3506->guuid=01486751-1a00-0000-b6e9-3b03b80d0000 pid=3512 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fc0f4227-e47a-411c-b48a-58d4d1562016
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1852862
Signature
Antivirus / Scanner detection for submitted sample
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: 1852862 Sample: kvariant.arm5.elf Startdate: 18/01/2026 Architecture: LINUX Score: 92 25 223.8.175.23, 37215 CHINANET-BACKBONENo31Jin-rongStreetCN China 2->25 27 156.158.50.55 airtel-tz-asTZ Tanzania United Republic of 2->27 29 98 other IPs or domains 2->29 31 Suricata IDS alerts for network traffic 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 4 other signatures 2->37 9 kvariant.arm5.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.arm5.elf 9->17         started        process6 19 kvariant.arm5.elf 17->19         started        process7 21 kvariant.arm5.elf 19->21         started        23 kvariant.arm5.elf 19->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ac4b2787018f412bb67b8eb60199530e62154f3e1dda0a21d05227c6e9f9ecd1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac4b2787018f412bb67b8eb60199530e62154f3e1dda0a21d05227c6e9f9ecd1/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 17:49:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrfspbybr5asxnt3r23adgktbzrbktz6dxnauioqkit4n2pz5tiq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260118-wkcztab16h/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9404cca5-b274-44a0-b246-973348ad773a
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: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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 ac4b2787018f412bb67b8eb60199530e62154f3e1dda0a21d05227c6e9f9ecd1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759822/
  
Delivery method
Distributed via web download

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