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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99584dca763b0f28f7edf81b3f77dc1d3e072bfaa0b0ab6fe3ef557e7a282ef. 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 11 File information Comments

SHA256 hash: b99584dca763b0f28f7edf81b3f77dc1d3e072bfaa0b0ab6fe3ef557e7a282ef
SHA3-384 hash: dbf2fcff40cc57a031775b3fac902506d3a4bc03445169fa531abef8a6e7ca065400711885b3715d7051827c55ebe600
SHA1 hash: 85961919a7f867a82961a8fec1966e9b5783f606
MD5 hash: 840c3a0a14f314c4f845ed70832f0149
humanhash: west-grey-twenty-florida
File name:armv5l
Download: download sample
Signature Mirai
File size:209'400 bytes
First seen:2026-10-28 23:48:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:j34klP6zU4wSjkpu82cnER9wdjSkRjJuQwxycrxxyVZC7Tu99:74k+U4wGkpu82cnEUdjS4J1wxvqVZuTM
TLSH T114241956FC919E16CAC156BBFB4E428C371B1768D2EE71039D192F20378B86B0E7B641
telfhash t1f51114115a8c0454fbd610c48bff173d8564319e37143413a66d8d0b9d53de9f00896b
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 torii upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0c48d26bbc65413616a61aa11b5038dd6c02e4579674db74d2b3ebb577bb0ed1
File size (compressed) :80'384 bytes
File size (de-compressed) :209'400 bytes
Format:linux/arm
Packed file: 0c48d26bbc65413616a61aa11b5038dd6c02e4579674db74d2b3ebb577bb0ed1

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
265
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-28T21:33:00Z UTC
Last seen:
2026-10-28T22:37:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=462ffdc2-1800-0000-22fe-0cdce80c0000 pid=3304 /usr/bin/sudo guuid=d223c3c4-1800-0000-22fe-0cdcee0c0000 pid=3310 /tmp/sample.bin guuid=462ffdc2-1800-0000-22fe-0cdce80c0000 pid=3304->guuid=d223c3c4-1800-0000-22fe-0cdcee0c0000 pid=3310 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-10-28 23:48:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:test_rule_vldslv
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:virustotal
Author:Tracel

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b99584dca763b0f28f7edf81b3f77dc1d3e072bfaa0b0ab6fe3ef557e7a282ef

(this sample)

  
Delivery method
Distributed via web download

Comments