🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9
SHA3-384 hash: 14362c5114229ebbfde06e2b56c2265f2ba617b4b814c90eef455207b6743b78a4c933d23968596ca17c75a43067591f
SHA1 hash: 763e5966959ffa94f1cedf4de5a4c988cd2330fe
MD5 hash: 3218f1ec42ef82102c7405ec227f4927
humanhash: quiet-johnny-tennis-foxtrot
File name:reaver.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:75'168 bytes
First seen:2026-09-05 02:57:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zzLsdFnBX77dwp8w3cc7AuDKdL/qKhNiiR7OZo/HJfK:LofX1iZnAzNiiR7m4HJC
TLSH T1717302D0AA495DE5C23432AAE5B496422748D7710E7AB73F0590A7E8C9F4E3A79F0C0C
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :75'168 bytes
File size (de-compressed) :181'212 bytes
Format:linux/arm
Unpacked file: afcf3bfe4743d479c912286b016e4d17c1558f28614cff406ae622db5a338da1

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a89e04c5-1179-426f-9a32-d323f8a1f5f3/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Creating a file
Changes access rights for a written file
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Gains root access
Launching a process
Changes owner for a written file
Connection attempt
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a9b85434865f7e0d944e6aa/reports/941ae0bd-eacb-4fd3-90c5-97e37512713c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d840f7bf-38bc-4912-a554-a455449d1a01
Behavior Graph:
Download SVG
%3 guuid=9cfc371a-1b00-0000-98cc-e30fbb090000 pid=2491 /usr/bin/sudo guuid=e749371d-1b00-0000-98cc-e30fc2090000 pid=2498 /tmp/sample.bin guuid=9cfc371a-1b00-0000-98cc-e30fbb090000 pid=2491->guuid=e749371d-1b00-0000-98cc-e30fc2090000 pid=2498 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4c530d20-8753-413e-89bd-3ade98d970f6
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1968957
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses dynamic DNS services
Writes identical ELF files to multiple locations
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1968957 Sample: reaver.arm6.elf Startdate: 05/09/2026 Architecture: LINUX Score: 100 60 mantac2.duckdns.org 2->60 62 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->62 64 3 other IPs or domains 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected Mirai 2->70 74 2 other signatures 2->74 9 reaver.arm6.elf 2->9         started        13 python3.8 dpkg 2->13         started        signatures3 72 Uses dynamic DNS services 60->72 process4 file5 50 /var/lib/reaver.bak, ELF 9->50 dropped 52 /usr/lib/reaver, ELF 9->52 dropped 54 /root/.bashrc, ASCII 9->54 dropped 56 10 other files (8 malicious) 9->56 dropped 80 Found strings related to Crypto-Mining 9->80 82 Sample tries to set files in /etc globally writable 9->82 84 Writes identical ELF files to multiple locations 9->84 86 7 other signatures 9->86 15 reaver.arm6.elf sh 9->15         started        17 reaver.arm6.elf 9->17         started        19 reaver.arm6.elf sh 9->19         started        21 16 other processes 9->21 signatures6 process7 file8 25 sh crontab 15->25         started        29 sh 15->29         started        31 reaver.arm6.elf chattr 17->31         started        33 reaver.arm6.elf chattr 17->33         started        35 sh crontab 19->35         started        48 /tmp/reaver.arm6.elf.salt, data 21->48 dropped 76 Protects files from modification 21->76 37 reaver.arm6.elf 21->37         started        39 reaver.arm6.elf 21->39         started        signatures9 process10 file11 58 /var/spool/cron/crontabs/tmp.s9bi71, ASCII 25->58 dropped 88 Sample tries to persist itself using cron 25->88 90 Executes the "crontab" command typically for achieving persistence 25->90 41 sh crontab 29->41         started        92 Protects files from modification 31->92 44 reaver.arm6.elf 37->44         started        46 reaver.arm6.elf 37->46         started        signatures12 process13 signatures14 78 Executes the "crontab" command typically for achieving persistence 41->78
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=owfhmful56pnfrobmtg7uhmlviutp3iovffdz7t5ph2xnwrft6uq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260905-df8xksdp7z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
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/758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 758a76168bef9ed2c5c164cdfa1d8baa2937ed0ea94a3cfe7d79f576da259fa9

(this sample)

Mirai

elf afcf3bfe4743d479c912286b016e4d17c1558f28614cff406ae622db5a338da1

  
URLhaus
https://urlhaus.abuse.ch/url/3912133/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 afcf3bfe4743d479c912286b016e4d17c1558f28614cff406ae622db5a338da1
  
Dropping
MD5 4d7bee533dfb7ad11d76ba8607130921
  
URLhaus
https://urlhaus.abuse.ch/url/3912126/

Comments