MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca164240faf8d3322bf25c9d7f20ba351c932dc876a02cc92b40ef97213b2cfa. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: ca164240faf8d3322bf25c9d7f20ba351c932dc876a02cc92b40ef97213b2cfa
SHA3-384 hash: eebc9bd2b8b548658c6aee626ecf932a063258a401c21d6ed718c932946e1f2758f5b1babede0e641d53749b80f14e66
SHA1 hash: 71097847e479e46c95c86fa32bd69183e73d0c23
MD5 hash: 9e7b19e8b4db09490b0ef7b11c08324c
humanhash: eleven-six-happy-three
File name:cron
Download: download sample
Signature Mirai
File size:83'180 bytes
First seen:2025-07-15 00:07:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tuKBJff4UNI9AAFZt9goDaQZc5W6abfcKDiPWBxBWI+:tumRNIhFyoDcMxbfcKDiP/I+
TLSH T170835A82E24B91F6D81304F96016B77AEF32D6E784339A4AEB598D21D9339015313FED
telfhash t18531d3fa2ebf1ce4bbe0a908c31a5fd13e29d73b152072f14173583522a7d429165c39
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 :
22
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated obfuscated remote
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736620 Sample: cron.elf Startdate: 15/07/2025 Architecture: LINUX Score: 64 36 67.93.104.121 XO-AS15US United States 2->36 38 128.252.52.77 WUSTL-ASNUS United States 2->38 40 99 other IPs or domains 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 9 cron.elf 2->9         started        signatures3 process4 process5 11 cron.elf 9->11         started        process6 13 cron.elf sh 11->13         started        15 cron.elf sh 11->15         started        17 cron.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 48 Terminates several processes with shell command 'killall' 21->48
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-15 00:07:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (110484) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7640011-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Please note that we are no longer able to provide a coverage score for Virus Total.

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_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 ca164240faf8d3322bf25c9d7f20ba351c932dc876a02cc92b40ef97213b2cfa

(this sample)

  
Delivery method
Distributed via web download

Comments