MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 988880e4c0f369acf1b5dfd3b82a5c31276a5e3f9bbdfee95e46820002771959. 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 8 File information Comments

SHA256 hash: 988880e4c0f369acf1b5dfd3b82a5c31276a5e3f9bbdfee95e46820002771959
SHA3-384 hash: 713c1fa0f88fa2c5b1eb492b4d302ac6a35987ed90d64e2b5e53389acc83cd240609498355725d02738f3ac1dd143bc7
SHA1 hash: aadda92a047139c78a348f399381ff9fe6e3c386
MD5 hash: fa11e372b83fb2bef2cec44b3e73614c
humanhash: mango-quiet-butter-pip
File name:cron
Download: download sample
Signature Mirai
File size:83'180 bytes
First seen:2025-07-15 18:12:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:FHk+GK9fPnZJFa0fFB9cT4HBUncsWJSzulGvHo/BRwWVg:FHkLKx3NFW4HJhwzulGvHorV
TLSH T1EE834B83E24B95F6D81304B96017BB7ADE32D6E784339A46EB158D21DD33A015323FE9
telfhash t1e331e5f91ebe08e4b3e4a804c31e9fd13e6ae63766a176b241b3552137d7d4240b6c39
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 :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Receives data from a server
Kills processes
Collects information on the CPU
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
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: 1737436 Sample: cron.elf Startdate: 15/07/2025 Architecture: LINUX Score: 60 36 72.20.251.233, 23 ZAYOB-NEUS United States 2->36 38 128.177.57.0 ZAYO-6461US 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 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 46 Terminates several processes with shell command 'killall' 21->46
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-16 01:29:00 UTC
AV detection:
17 of 24 (70.83%)
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 (110062) 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 988880e4c0f369acf1b5dfd3b82a5c31276a5e3f9bbdfee95e46820002771959

(this sample)

  
Delivery method
Distributed via web download

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