MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b0f43d759ee54d20194532fbdf7fbf25c7e56de1a8a187b4549d98d15d0dfe5. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash: 4b0f43d759ee54d20194532fbdf7fbf25c7e56de1a8a187b4549d98d15d0dfe5
SHA3-384 hash: 4fc4f4923343c8d7b1e6dbae3414b5ca33d6ac234bbaa9f3162e118149014f443be9d78fb986aa6bf972b21bc813af40
SHA1 hash: aec1f0f2fa8557022529614d00f03fc506ef31cc
MD5 hash: 05e344f3e6bbbccdbbce30f8b46fcf40
humanhash: triple-oxygen-happy-oregon
File name:kvariant.mpsl
Download: download sample
Signature Mirai
File size:113'892 bytes
First seen:2026-01-18 17:57:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mb5eQfMOz4r36EPvZjLk622Cv4quvTl+ZkiYZ6QJB8VOe9zv/tjc3jq:mFeUHz4r3ddk6kv+vTl+MOvznZcW
TLSH T145B3E707EB501FFBD86FDE3702A91B05358CA90B13E97B352274C928BA5A64B49F3C54
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=72656043-1900-0000-f287-a2c3a80b0000 pid=2984 /usr/bin/sudo guuid=4a877745-1900-0000-f287-a2c3ad0b0000 pid=2989 /tmp/sample.bin guuid=72656043-1900-0000-f287-a2c3a80b0000 pid=2984->guuid=4a877745-1900-0000-f287-a2c3ad0b0000 pid=2989 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
84 / 100
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
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852863 Sample: kvariant.mpsl.elf Startdate: 18/01/2026 Architecture: LINUX Score: 84 25 209.49.132.17 XO-AS15US United States 2->25 27 138.221.148.51, 23 WORLDBANKUS Switzerland 2->27 29 99 other IPs or domains 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 37 3 other signatures 2->37 9 kvariant.mpsl.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.mpsl.elf 9->17         started        process6 19 kvariant.mpsl.elf 17->19         started        process7 21 kvariant.mpsl.elf 19->21         started        23 kvariant.mpsl.elf 19->23         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-01-18 17:50:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Changes its process name
Contacts a large (64946) amount of remote hosts
Creates a large amount of network flows
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
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 4b0f43d759ee54d20194532fbdf7fbf25c7e56de1a8a187b4549d98d15d0dfe5

(this sample)

  
Delivery method
Distributed via web download

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