MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7
SHA3-384 hash: 98deb244fcd40ef5019848bb4c7f98645416adc86e63c043e21a0ddaff5d1ca9ab54c742d7be40a65a73c707b72f2b90
SHA1 hash: 90ab401317e10a4ae1cabdfc8e99fc85963253a9
MD5 hash: 66f8e372fcb3567f7a6b94194f024c71
humanhash: timing-twelve-mexico-foxtrot
File name:main_x86
Download: download sample
Signature Mirai
Create hunting rule
File size:96'648 bytes
First seen:2025-07-20 16:10:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:hosvFyXzyWp9DShCDDuqEmjBj72EjBON84Sggz:qsvUX+u9YMDfbtj7/jvlP
TLSH T18B936CC4A783C0F5DD5A01B3903BE77A5332F43A502AEA47D76ADD319C52950EB2A36C
telfhash t1bb510abb1eaa0ce877e4a840c31e17a2291ee77b192071b541b35c6433fadc550fac39
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 :
20
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Changes access rights for a written file
Sends data to a server
Creating a file
Receives data from a server
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
DNS request
Locks files
Runs as daemon
Traces processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/687d15297bc45bdee1b258db/reports/66cfe504-f620-4aaa-9ec5-45459a65ab9f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
52
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/50f76ae5-ee1b-4903-9fff-19f704da596b
Behavior Graph:
Download SVG
%3 guuid=b913fe15-1900-0000-5f2d-bbbe7e130000 pid=4990 /usr/bin/sudo guuid=47c7c017-1900-0000-5f2d-bbbe86130000 pid=4998 /tmp/sample.bin delete-file net guuid=b913fe15-1900-0000-5f2d-bbbe7e130000 pid=4990->guuid=47c7c017-1900-0000-5f2d-bbbe86130000 pid=4998 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=47c7c017-1900-0000-5f2d-bbbe86130000 pid=4998->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4863f217-1900-0000-5f2d-bbbe87130000 pid=4999 /usr/bin/dash guuid=47c7c017-1900-0000-5f2d-bbbe86130000 pid=4998->guuid=4863f217-1900-0000-5f2d-bbbe87130000 pid=4999 execve guuid=0169dd18-1900-0000-5f2d-bbbe91130000 pid=5009 /tmp/sample.bin dns net send-data zombie guuid=47c7c017-1900-0000-5f2d-bbbe86130000 pid=4998->guuid=0169dd18-1900-0000-5f2d-bbbe91130000 pid=5009 clone guuid=00db1a18-1900-0000-5f2d-bbbe89130000 pid=5001 /usr/bin/dash guuid=4863f217-1900-0000-5f2d-bbbe87130000 pid=4999->guuid=00db1a18-1900-0000-5f2d-bbbe89130000 pid=5001 clone guuid=8aa82218-1900-0000-5f2d-bbbe8b130000 pid=5003 /usr/bin/dash guuid=4863f217-1900-0000-5f2d-bbbe87130000 pid=4999->guuid=8aa82218-1900-0000-5f2d-bbbe8b130000 pid=5003 clone guuid=75ae2718-1900-0000-5f2d-bbbe8d130000 pid=5005 /usr/bin/dash guuid=00db1a18-1900-0000-5f2d-bbbe89130000 pid=5001->guuid=75ae2718-1900-0000-5f2d-bbbe8d130000 pid=5005 clone guuid=583f3318-1900-0000-5f2d-bbbe8e130000 pid=5006 /usr/bin/grep guuid=00db1a18-1900-0000-5f2d-bbbe89130000 pid=5001->guuid=583f3318-1900-0000-5f2d-bbbe8e130000 pid=5006 execve guuid=0169dd18-1900-0000-5f2d-bbbe91130000 pid=5009->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 30B 1b298986-c1a2-51c3-8ea4-731b8031d0c6 botnet.eu.cc:1995 guuid=0169dd18-1900-0000-5f2d-bbbe91130000 pid=5009->1b298986-c1a2-51c3-8ea4-731b8031d0c6 send: 18B guuid=098bf518-1900-0000-5f2d-bbbe92130000 pid=5010 /tmp/sample.bin guuid=0169dd18-1900-0000-5f2d-bbbe91130000 pid=5009->guuid=098bf518-1900-0000-5f2d-bbbe92130000 pid=5010 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bd986a63-7edd-40a8-88bb-8130a9a9a4f8
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1740575
Signature
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740575 Sample: main_x86.elf Startdate: 20/07/2025 Architecture: LINUX Score: 68 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->35 37 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->37 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 9 main_x86.elf 2->9         started        signatures3 process4 signatures5 49 Sample deletes itself 9->49 12 main_x86.elf sh 9->12         started        14 main_x86.elf 9->14         started        process6 process7 16 sh crontab 12->16         started        20 sh 12->20         started        22 main_x86.elf 14->22         started        file8 31 /var/spool/cron/crontabs/tmp.rJFpO9, ASCII 16->31 dropped 39 Sample tries to persist itself using cron 16->39 41 Executes the "crontab" command typically for achieving persistence 16->41 24 sh crontab 20->24         started        27 sh crontab 20->27         started        29 sh grep 20->29         started        signatures9 process10 signatures11 47 Executes the "crontab" command typically for achieving persistence 24->47
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-20 16:11:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=udhysqe4tqkffwgn2e4bfywthwxft5alvjen7pj2gtingie2d3tq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250720-tm3xxaap9t/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Deletes itself
Traces itself
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-10028515-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/58c4d87a-8be8-4071-bbe5-afcc4ae6de96
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7

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:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 a0cf89409c9c1452d8cdd13812e2d33dae59f40baa48dfbd3a34d0d3209a1ee7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575762/
  
Delivery method
Distributed via web download

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