MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54
SHA3-384 hash: 49110ac4de1ee10051bc6310dcfd5e70199ced13d5d7b720d4fc7a3eca6ae24f6129fdb0333f4b3c255e6680b7b16323
SHA1 hash: e29ebb51a8593227037529673969a673c5a9727c
MD5 hash: 5548ce383783ac47e3d34e9b41492a34
humanhash: pennsylvania-three-pasta-arizona
File name:m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:223'212 bytes
First seen:2026-08-26 20:53:23 UTC
Last seen:2026-08-27 14:27:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:L8Rn3EB0ijo3gtLWLyIi4QEssMOgh5orP:L8Rwj4+EssMOgh5orP
TLSH T156244AC3B811E9BDF80BE73B89574405B130B76310814A32B21F757BAF6A09556B7EC6
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Mirai-10012509-0
Create hunting rule

Unix.Trojan.Mirai-10017111-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6a8f527312fa4b31b8403064/reports/956e2d92-c637-40d6-a4c4-cb50158e761a/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-26T18:12:00Z UTC
Last seen:
2026-08-26T20:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6881a66b-8674-4422-b24a-2514440bcbbe
Behavior Graph:
Download SVG
%3 guuid=ac8f77ce-1600-0000-5314-d225370c0000 pid=3127 /usr/bin/sudo guuid=2bee91d3-1600-0000-5314-d2253e0c0000 pid=3134 /tmp/sample.bin guuid=ac8f77ce-1600-0000-5314-d225370c0000 pid=3127->guuid=2bee91d3-1600-0000-5314-d2253e0c0000 pid=3134 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a7c44b7a-2c59-42a1-ad61-fe0131ece633
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-26 20:54:17 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56mmv6uz5r7ofvwmbpm3ips4yges4d3trseyt6ufltfftyz7zjka._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260826-zpx3bswemd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Rootkit_Generic_61229bdf
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 ef98cafa99ec7ee2d6cc0bd9b43e5cc1892e0f738c8989fa855cca59e33fca54

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3904514/
  
Delivery method
Distributed via web download

Comments