MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407
SHA3-384 hash: 8504fd9afde07f4b200bf23083d75dd9c14a37e7daaa338420545a337141ce695d84c9eb0ab4df47b008afee32b5ff59
SHA1 hash: 59c73bba05175deea26b0b32853b0eadcae8f789
MD5 hash: 84dd771a76b424775d3efccaf5c82044
humanhash: river-oregon-freddie-blue
File name:byte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:84'068 bytes
First seen:2026-01-19 03:04:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HinI0o9LTlg4PzhMq3e7tLTp41E8rkqL198XmiC/gYC/9lfliMCZIirH:eo9lg+zhz3sJu1NHLL8XmiC/glLCZTrH
TLSH T150830B46B9818F01C4D622BBFA6E018D3313BBA9D3EE7112DD215F5427CA99B0F77612
telfhash t15111e1b28846179c57d8c30883ce6614eeba36fc07022869db5c439b4283dc1771c83b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
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/247b850b-8b6d-40e9-8d44-7bc6bdc7b57a/
Detection(s):
Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9964459-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/696d9f31fdafd7624ab06902/reports/e3d633db-b89c-4836-ba54-464f69ff513d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T18:07:00Z UTC
Last seen:
2026-01-19T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/73d0c263-9cea-4b7e-b7a5-e7ae756116cc
Behavior Graph:
Download SVG
%3 guuid=4826b20c-1b00-0000-b0bc-5e88750b0000 pid=2933 /usr/bin/sudo guuid=0f795110-1b00-0000-b0bc-5e88780b0000 pid=2936 /tmp/sample.bin guuid=4826b20c-1b00-0000-b0bc-5e88750b0000 pid=2933->guuid=0f795110-1b00-0000-b0bc-5e88780b0000 pid=2936 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f071752-b10a-4533-9132-f2662a45806e
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1853090
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853090 Sample: byte.arm7.elf Startdate: 19/01/2026 Architecture: LINUX Score: 56 22 61.45.69.48, 23 XEPHIONNTT-MECorporationJP Japan 2->22 24 147.57.155.65 WA-STATE-GOVUS United States 2->24 26 98 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 8 byte.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 byte.arm7.elf 8->14         started        16 byte.arm7.elf 8->16         started        process6 18 byte.arm7.elf 14->18         started        20 byte.arm7.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 23:00:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=khd2ltnd6culy6lgfzamvv5jmibcb2mgqkzhss55lh7z3yu74qdq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kurc defense_evasion discovery
Link:
https://tria.ge/reports/260119-dkqa2adz3c/
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (56847) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135939-0
YARA:
n/a
Link:
https://app.threat.zone/submission/defa844e-01bd-4e52-9e4b-5312b9021221
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/51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407

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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 51c7a5cda3f0a8bc79662e40cad7a9620220e98682b2794bbd59ff9de29fe407

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3760048/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3760047/
  
URLhaus
https://urlhaus.abuse.ch/url/3760190/

Comments