MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f27921c303c8d451872db1142a0e3bcf17d63b992bdff3988aaba6fd960577c4. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
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SHA256 hash: f27921c303c8d451872db1142a0e3bcf17d63b992bdff3988aaba6fd960577c4
SHA3-384 hash: 50c3b23acda22ac32431407c3fb5870c55d2e57b5c8eee892aca79a85e9f80f00823d1cb928028de0bc560328981b337
SHA1 hash: 9d92c782d995dfd3486a08256d3ad3671de1b0d1
MD5 hash: f0154a5caceafab0ec57fc388bf0b52c
humanhash: coffee-three-yankee-harry
File name:morte.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:95'540 bytes
First seen:2025-07-08 16:47:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bxJE2kwKigVv2FoONr9AbNNs21NntN3hcwI8e0Rs0VOWNkWvsDLALruh/e1wp5Ur:bxHq2COTAx3H3hcwxNpkmsfPe1wpKr
TLSH T1D89349CAF401DD7DF80EDB7B4453490AB130E7621A835F36629BF953AD361E84923E86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
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Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9940650-0
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Unix.Trojan.Mirai-10018298-0
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Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686d4bb8c9eb97473767a443linux22vpnfull_triage
Tags:
malware
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/686d4bb7dd3db8ac51836da5/reports/22d62515-6e01-40f3-937b-5083835dd7d0/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/32d5f563-fb37-4981-9487-c8e2addfcf5f
Behavior Graph:
Download SVG
%3 guuid=8e285737-1800-0000-babd-2c74190c0000 pid=3097 /usr/bin/sudo guuid=f5e5dc38-1800-0000-babd-2c74200c0000 pid=3104 /tmp/sample.bin guuid=8e285737-1800-0000-babd-2c74190c0000 pid=3097->guuid=f5e5dc38-1800-0000-babd-2c74200c0000 pid=3104 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c6582968-0cae-4b36-a382-9dedb2f34ccf
Result
Threat name:
Mirai, Xmrig
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Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1731198
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731198 Sample: morte.m68k.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 37 abc.galaxias.cc 196.251.69.95, 12121, 51064 Web4AfricaZA Seychelles 2->37 39 169.254.169.254, 80 USDOSUS Reserved 2->39 41 3 other IPs or domains 2->41 43 Antivirus detection for dropped file 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 2 other signatures 2->49 10 morte.m68k.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 process4 signatures5 57 Found strings related to Crypto-Mining 10->57 15 morte.m68k.elf 10->15         started        17 morte.m68k.elf 10->17         started        process6 process7 19 morte.m68k.elf 15->19         started        file8 33 /etc/init.d/sysd, POSIX 19->33 dropped 51 Sample tries to set files in /etc globally writable 19->51 53 Drops files in suspicious directories 19->53 55 Sample tries to persist itself using System V runlevels 19->55 23 morte.m68k.elf sh 19->23         started        25 morte.m68k.elf 19->25         started        signatures9 process10 process11 27 sh cp 23->27         started        31 morte.m68k.elf 25->31         started        file12 35 /usr/bin/.sh, ELF 27->35 dropped 59 Drops invisible ELF files 27->59 61 Drops files in suspicious directories 27->61 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f27921c303c8d451872db1142a0e3bcf17d63b992bdff3988aaba6fd960577c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f27921c303c8d451872db1142a0e3bcf17d63b992bdff3988aaba6fd960577c4/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-07-08 16:48:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6j4sdqydzdkfdbznwekcudr3z4l5mo4zfpp7hgekvotp3fqfo7ca._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250708-vatn5sxkz7/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a7a728b9-1406-4a04-b249-6326e59e50d1
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/f27921c303c8d451872db1142a0e3bcf17d63b992bdff3988aaba6fd960577c4

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:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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

sh 5c9f8b254cb85abdf05baf043034d47d1c32b4e2249ca1a25e4f21c617645f2f

Mirai

elf f27921c303c8d451872db1142a0e3bcf17d63b992bdff3988aaba6fd960577c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3574729/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3579392/
  
Dropped by
SHA256 5c9f8b254cb85abdf05baf043034d47d1c32b4e2249ca1a25e4f21c617645f2f
  
Dropped by
MD5 99b27bdfb5beb3ceed6715c915e60ee0
  
URLhaus
https://urlhaus.abuse.ch/url/3574707/

Comments