MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408
SHA3-384 hash: b3e8f26bec4d6696bb4e6f8241220b17287397b8ad01233f93903946315e54fb81eb168c83a5576ca5d296b4031512d6
SHA1 hash: 763405cf18fce4bb877d85b6d21ad3c2937cb112
MD5 hash: 82a17e84408a119f69e281f72ace55a8
humanhash: diet-sink-lactose-oregon
File name:miraint.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:113'572 bytes
First seen:2025-12-25 12:10:44 UTC
Last seen:2025-12-26 03:35:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:HVX8yS1y1yxX9Lt1xXg1fqHFck9IhADCyHkI4NtPUiL83UeeHggRK:1MyENt1Ng1fqHiUDC1I4NtPrQEN3RK
TLSH T16BB3B71E6E218F7CFBAC873447B78F21925937D626E1CA85E19CD6001E7034E645FBA8
telfhash t1aa21491c893823f497791cad2bedfa75e5a170db5a226e378c04ea9dab1d9824d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
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/60cd7cce-9f93-4e4a-b285-ca3ec68b9b39/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/694d29e73f8fdbf8e951de61/reports/9822d7a2-be5c-4b58-b919-e517d8ccadc4/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-25T09:21:00Z UTC
Last seen:
2025-12-25T10:02:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e08bf78c-5264-4362-813c-2ef574846eee
Behavior Graph:
Download SVG
%3 guuid=cd67ddac-1900-0000-9b79-0b9ebc0b0000 pid=3004 /usr/bin/sudo guuid=56c191ae-1900-0000-9b79-0b9ec20b0000 pid=3010 /tmp/sample.bin guuid=cd67ddac-1900-0000-9b79-0b9ebc0b0000 pid=3004->guuid=56c191ae-1900-0000-9b79-0b9ec20b0000 pid=3010 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/13bc258d-644d-4893-8d02-52440cb39706
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1839293
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839293 Sample: miraint.mips.elf Startdate: 25/12/2025 Architecture: LINUX Score: 100 46 169.254.169.254, 80 USDOSUS Reserved 2->46 48 86.54.42.154, 443, 54288, 54290 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 2->48 50 2 other IPs or domains 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 2 other signatures 2->58 10 miraint.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 process5 18 miraint.mips.elf 10->18         started        process6 20 miraint.mips.elf 18->20         started        file7 36 /etc/init.d/sysd, POSIX 20->36 dropped 60 Sample tries to set files in /etc globally writable 20->60 62 Drops files in suspicious directories 20->62 64 Sample deletes itself 20->64 66 Sample tries to persist itself using System V runlevels 20->66 24 miraint.mips.elf sh 20->24         started        26 miraint.mips.elf 20->26         started        signatures8 process9 file10 30 sh cp 24->30         started        38 /usr/bin/wget, POSIX 26->38 dropped 40 /usr/bin/tftp, POSIX 26->40 dropped 42 /usr/bin/curl, POSIX 26->42 dropped 68 Drops files in suspicious directories 26->68 34 miraint.mips.elf 26->34         started        signatures11 process12 file13 44 /usr/bin/.sh, ELF 30->44 dropped 70 Drops invisible ELF files 30->70 72 Drops files in suspicious directories 30->72 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-25 12:11:19 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsnhg2skpddmre2ymx3ipsfho6rexu6nhvux3kqfvaptpzyz2qea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery persistence
Link:
https://tria.ge/reports/251225-pdr2tsbj91/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Deletes itself
Mirai
Mirai family
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-10017641-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/adaa5e7c-236b-421b-93b4-0b54700038cd
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/8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 8c9a736a4a78c6c8935865f687c8a777a24bd3cd3d697daa05a81f37e719d408

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735503/
  
Delivery method
Distributed via web download

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