MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de
SHA3-384 hash: dba8998f0f17b7ead5509e727852f4821096dc921490ce3942ee4e21e5cb983d1cdaafec283ecdbf4ae20fb9dd9320a7
SHA1 hash: 3778d0db1ba31bb691d30a8d6c02c987d0c058a8
MD5 hash: e91b05a8a88bdcd2c7b54e50feb83df7
humanhash: green-mars-helium-pizza
File name:ciubuc_arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:228'273 bytes
First seen:2026-04-11 11:15:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:wGiooZ91QFbawess3mb9yf+N152L/gBM/Rr8dqMQ:wGi1QFbawess3mhy2Vugq/gc
TLSH T1C5243A46EA408F13C4D627B9B69F4245333397A4D3EB73069928AFB43B8779E0F26505
telfhash t1aa4152b44b35551a6a70d868ececa773991b87122354bf32ef27c8cc280d08ed129c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/c30f9d83-9e43-4319-8519-117324b9e30f/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

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

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the network activity
Changes access rights for a written file
Runs as daemon
Kills processes
Opens a port
Changes access rights for a file
Deleting a recently created file
Sends data to a server
Removes directories
Deletes a system binary file
Traces processes
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/69da2d8b799d5bf325f76be9/reports/479a2814-2f02-4c43-b2db-d6366947d3fa/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-11T08:25:00Z UTC
Last seen:
2026-04-11T19:30:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e6cefe0a-5755-48e4-8ea0-6903e83926d3
Behavior Graph:
Download SVG
%3 guuid=5dada14a-1800-0000-7749-9a261d0b0000 pid=2845 /usr/bin/sudo guuid=2f127a4c-1800-0000-7749-9a26210b0000 pid=2849 /tmp/sample.bin guuid=5dada14a-1800-0000-7749-9a261d0b0000 pid=2845->guuid=2f127a4c-1800-0000-7749-9a26210b0000 pid=2849 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff42669c-0056-4f16-b6fa-1e44830d17e2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1896847
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1896847 Sample: ciubuc_arm7.elf Startdate: 11/04/2026 Architecture: LINUX Score: 80 25 61.45.132.32 XEPHIONNTT-MECorporationJP China 2->25 27 65.19.215.61 WYOMINGUS United States 2->27 29 98 other IPs or domains 2->29 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 8 ciubuc_arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 ciubuc_arm7.elf 8->14         started        process6 16 ciubuc_arm7.elf 14->16         started        19 ciubuc_arm7.elf 14->19         started        21 ciubuc_arm7.elf 14->21         started        23 2 other processes 14->23 signatures7 31 Manipulation of devices in /dev 16->31 33 Deletes system log files 16->33
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-11 11:16:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=obh3ginqhufhzuz5ghiuwtppmn5odyuyhp3pnbwgo6ywrw3nwdpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260411-ndc28sds2m/
Behaviour
Reads runtime system information
Changes its process name
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Traces itself
Contacts a large (149513) 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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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_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: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_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 704fb321b03d0a7cd33d31d14b4def637ae1e2983bf6f686c677b168db6db0de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3816138/
  
Delivery method
Distributed via web download

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