MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036
SHA3-384 hash: e3f74fef55e677192e12d786b6b65b15edc5801bb6c35ed2dd70d0f553f2d588d4acf9ce7b352aa0af5cc652577eb37f
SHA1 hash: cd9c01a32be064ff5b0dadeb497966b498320c05
MD5 hash: 0f60ec6e23b1a4bc431fbef93f31e95d
humanhash: high-football-fruit-kilo
File name:main_arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:192'039 bytes
First seen:2025-07-19 23:33:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:FbGSTvVsjmQy7mqSd+a5YRLxxRKOfw7UAHPTAovM/R4Wz/L2/uO:LONy7tY+a5YRLxxwrUAHbNvM/R3zcuO
TLSH T1B8142B46FA414B13C0D627B9FADF42453333AB9493E773069528ABB43F8679A4F23506
telfhash t13731227162b8552699a1ec64d8f94bb2362fc6171354ee22de26c0cc241a04ae526c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
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Unix.Dropper.Mirai-7135925-0
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Unix.Trojan.Mirai-9760303-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Locks files
Creating a file in the %temp% directory
Sends data to a server
Creating a file
Changes the time when the file was created, accessed, or modified
Receives data from a server
Launching a process
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Traces processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin mirai obfuscated remote
Link:
https://www.filescan.io/uploads/687c2b835076b202e43e459c/reports/37515038-5852-4389-81ad-9f031ce52d92/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
49
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036
Behaviour
Persistence
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/24a66ef8-0394-4bc7-8299-74c2dc5ac7ef
Behavior Graph:
Download SVG
%3 guuid=0462dae4-1800-0000-a081-2344e50a0000 pid=2789 /usr/bin/sudo guuid=e60996e7-1800-0000-a081-2344e90a0000 pid=2793 /tmp/sample.bin guuid=0462dae4-1800-0000-a081-2344e50a0000 pid=2789->guuid=e60996e7-1800-0000-a081-2344e90a0000 pid=2793 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0df59c9d-72b6-48d8-a40d-658c1c458b38
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1740247
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1740247 Sample: main_arm7.elf Startdate: 20/07/2025 Architecture: LINUX Score: 80 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 8 main_arm7.elf 2->8         started        process3 process4 10 main_arm7.elf sh 8->10         started        process5 12 sh crontab 10->12         started        16 sh 10->16         started        file6 25 /var/spool/cron/crontabs/tmp.sgZf0F, ASCII 12->25 dropped 37 Sample tries to persist itself using cron 12->37 39 Executes the "crontab" command typically for achieving persistence 12->39 18 sh crontab 16->18         started        21 sh crontab 16->21         started        23 sh grep 16->23         started        signatures7 process8 signatures9 35 Executes the "crontab" command typically for achieving persistence 18->35
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-19 23:34:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwrukifoq3xoq375vcattyyshd6cto43bm62mnh2svmq4cowua3a._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai credential_access discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250719-3klqaaaq71/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Deletes itself
Traces itself
Malware Config
C2 Extraction:
botnet.eu.cc
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/c55c57f1-eeb9-41e6-885b-3d4d7a78f50f
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/b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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: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 b5a34520ae86eee86ffda88139e31238fc29bb9b0b3da634fa95590e09d6a036

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575761/
  
Delivery method
Distributed via web download

Comments