MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da99cf5da459c766afd8ebe9ba597ef2089d29ca275ae4f869a7859a1ce2ce2f. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: da99cf5da459c766afd8ebe9ba597ef2089d29ca275ae4f869a7859a1ce2ce2f
SHA3-384 hash: 2622e7a652974c1379212ca353a32bcc85a23b0c432c2e4a19a5abbd097cf622302c29dcde7cf1dd0548aa91d1080df2
SHA1 hash: 5e5f258c4ee9b884d0a58e5aa1a2c34ee58b1e52
MD5 hash: 81c45aa64c8e22ce79333e4a61dd34b6
humanhash: mississippi-bravo-blossom-solar
File name:arm7
Download: download sample
Signature Mirai
File size:211'348 bytes
First seen:2026-04-05 06:59:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:qsUejCTINfsGald9t/Btc5Z/UhWIHpbbM/RCKsN:qsvjNfsGaz9t/BtcTsc6bQ/8KsN
TLSH T193242A46AA408B13C0D72BBAFBDF424533339B64D7E763059528AFB43F8679A4F62501
telfhash t1dd311d45d834ca2e69e21bfdcbec47b2191ac71353406e228f2dc4cc5836402e925cba
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Launching a process
Substitutes an application name
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
61
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Firewall Changes
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=82013d44-1b00-0000-88c8-074cc60b0000 pid=3014 /usr/bin/sudo guuid=584e4c46-1b00-0000-88c8-074cca0b0000 pid=3018 /tmp/sample.bin guuid=82013d44-1b00-0000-88c8-074cc60b0000 pid=3014->guuid=584e4c46-1b00-0000-88c8-074cca0b0000 pid=3018 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
56 / 100
Signature
Executes the "iptables" command to insert, remove and/or manipulate rules
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1893736 Sample: arm7.elf Startdate: 05/04/2026 Architecture: LINUX Score: 56 39 jimmy.jimmyporn.xyz 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 4 other IPs or domains 2->43 45 Multi AV Scanner detection for submitted file 2->45 10 arm7.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 47 Performs DNS queries to domains with low reputation 39->47 process4 process5 16 arm7.elf 10->16         started        process6 18 arm7.elf 16->18         started        process7 20 arm7.elf sh 18->20         started        22 arm7.elf sh 18->22         started        24 arm7.elf sh 18->24         started        26 2 other processes 18->26 process8 28 sh iptables 20->28         started        31 sh busybox 22->31         started        33 sh busybox 24->33         started        35 sh 26->35         started        37 sh 26->37         started        signatures9 49 Executes the "iptables" command to insert, remove and/or manipulate rules 28->49
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-05 07:00:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Unexpected DNS network traffic destination
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

File information


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

Web download

Mirai

elf da99cf5da459c766afd8ebe9ba597ef2089d29ca275ae4f869a7859a1ce2ce2f

(this sample)

  
Delivery method
Distributed via web download

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