MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa. 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: 14


Intelligence 14 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa
SHA3-384 hash: e2353cfe7bfa863b98b1ee4b43700c46dfdbe03b707b7065ed5775c324d621e09357f18880b5064253e75eb1167bc3af
SHA1 hash: f4062ebc3bd931024fa5273b50cfe8fb233eaf9e
MD5 hash: 9db8e182f843b5ccb80cab1028d599cf
humanhash: hot-autumn-nevada-mexico
File name:old.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:85'376 bytes
First seen:2026-01-10 12:59:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9GVYSWv/YQSZDboZozkqflxU82ab9QhNNT/RFn0d+iNamP5Um5rT6EGy:UVYZDSZDboZMkqfl52c9Qzh/z0d+xM5I
TLSH T1C0833C06F5C185FDC08AD07446AF7A39E822F0FD1379B2A327C8AF253D4AF611A5D949
telfhash t1da1103346d9a19a821e7937ab307f4a6982119200bf573e1ce2be4e3cf15b841c521a2
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
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/4db8aed9-4bd4-48ac-b5ff-1fc248f314c1/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

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

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69624d711a20a4c87b1a62ac/reports/f4a118ea-6ccf-4839-8d1a-e848f2f22afb/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-10T10:05:00Z UTC
Last seen:
2026-01-11T02:56:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d9db1dbe-75b0-4139-a653-34c5614df1ec
Behavior Graph:
Download SVG
%3 guuid=96430ef6-1900-0000-716c-cef0ae090000 pid=2478 /usr/bin/sudo guuid=31c407f8-1900-0000-716c-cef0b5090000 pid=2485 /tmp/sample.bin net guuid=96430ef6-1900-0000-716c-cef0ae090000 pid=2478->guuid=31c407f8-1900-0000-716c-cef0b5090000 pid=2485 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=31c407f8-1900-0000-716c-cef0b5090000 pid=2485->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ec6533f8-1900-0000-716c-cef0b6090000 pid=2486 /tmp/sample.bin guuid=31c407f8-1900-0000-716c-cef0b5090000 pid=2485->guuid=ec6533f8-1900-0000-716c-cef0b6090000 pid=2486 clone guuid=0f0d36f8-1900-0000-716c-cef0b7090000 pid=2487 /tmp/sample.bin zombie guuid=31c407f8-1900-0000-716c-cef0b5090000 pid=2485->guuid=0f0d36f8-1900-0000-716c-cef0b7090000 pid=2487 clone guuid=ad6138f8-1900-0000-716c-cef0b8090000 pid=2488 /tmp/sample.bin net send-data zombie guuid=31c407f8-1900-0000-716c-cef0b5090000 pid=2485->guuid=ad6138f8-1900-0000-716c-cef0b8090000 pid=2488 clone b393e69b-4ba0-58b0-a654-8800266f5fb8 45.153.34.36:1999 guuid=ad6138f8-1900-0000-716c-cef0b8090000 pid=2488->b393e69b-4ba0-58b0-a654-8800266f5fb8 send: 2B guuid=16a477f8-1900-0000-716c-cef0bb090000 pid=2491 /tmp/sample.bin guuid=ad6138f8-1900-0000-716c-cef0b8090000 pid=2488->guuid=16a477f8-1900-0000-716c-cef0bb090000 pid=2491 clone guuid=873a7af8-1900-0000-716c-cef0bc090000 pid=2492 /tmp/sample.bin guuid=ad6138f8-1900-0000-716c-cef0b8090000 pid=2488->guuid=873a7af8-1900-0000-716c-cef0bc090000 pid=2492 clone guuid=2bee7ef8-1900-0000-716c-cef0bd090000 pid=2493 /tmp/sample.bin net net-scan send-data guuid=ad6138f8-1900-0000-716c-cef0b8090000 pid=2488->guuid=2bee7ef8-1900-0000-716c-cef0bd090000 pid=2493 clone guuid=2bee7ef8-1900-0000-716c-cef0bd090000 pid=2493->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2bee7ef8-1900-0000-716c-cef0bd090000 pid=2493|send-data send-data to 4097 IP addresses review logs to see them all guuid=2bee7ef8-1900-0000-716c-cef0bd090000 pid=2493->guuid=2bee7ef8-1900-0000-716c-cef0bd090000 pid=2493|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b1f6d372-63e5-4313-b6a9-0ae63323c498
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1847895
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847895 Sample: old.x86_64.elf Startdate: 10/01/2026 Architecture: LINUX Score: 80 24 144.17.14.102 WEST-NET-WESTUS United States 2->24 26 125.235.32.213, 23 VIETEL-AS-APViettelGroupVN Viet Nam 2->26 28 99 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 2 other signatures 2->36 8 old.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 old.x86_64.elf 8->12         started        14 old.x86_64.elf 8->14         started        16 old.x86_64.elf 8->16         started        process6 18 old.x86_64.elf 12->18         started        20 old.x86_64.elf 12->20         started        22 old.x86_64.elf 12->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 13:00:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apd4g7jdseqlmje6oguyybcuwdce42aaymemm5jps5fm62lukl5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari defense_evasion discovery linux
Link:
https://tria.ge/reports/260110-p8x7bsgy3b/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (48716) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/b16e6974-54cb-4598-8923-2b90d308ecb4
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/03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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 03c7c37d239120b6249e71a98c0454b0c44e6800c308c6752f974acf697452fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3755375/
  
Delivery method
Distributed via web download

Comments