MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbc145c2d4f398cc70adc58e0473967e82e038669bc8d46733ce87a150b17a4b. 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 5 File information Comments

SHA256 hash: fbc145c2d4f398cc70adc58e0473967e82e038669bc8d46733ce87a150b17a4b
SHA3-384 hash: 90793d197a6e198a89304b223d35323b283ec419e7bfd7b120fe4dbcdb4129d4a3147991b2445b71b55cf9e9c742c2ee
SHA1 hash: c8a544e4797c4d1684ef1168ccd1c2773c68e1ad
MD5 hash: d5f8b26ae79d8a5bd8cee0034b4180e2
humanhash: solar-arkansas-tennis-asparagus
File name:armv6l
Download: download sample
Signature Mirai
File size:154'588 bytes
First seen:2026-01-04 09:10:11 UTC
Last seen:2026-01-05 21:30:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:WMMtJdgQXXeeHreaGeMnffZT9rVJM+ksPPBgLv:WttJdBXLHCaI99rA+kQGLv
TLSH T190E3F852A951CF12D0C311B9FF5E525937136F78D3EE32029D24BFB0278A8EA0E7A116
telfhash t12af08b21474403ea37e00b1681ef63197cd4f83187211d7555efae5f94936e4b01ec01
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 :
5
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Kills processes
Launching a process
Sends data to a server
Collects information on the CPU
Receives data from a server
Creating a file
Runs as daemon
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Opens a port
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Kills critical processes
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash expand gcc lolbin mirai obfuscated rust
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-01-03T22:15:00Z UTC
Last seen:
2026-01-04T09:45:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=2f5eece8-5400-0000-78b5-eafe72040000 pid=1138 /usr/bin/sudo guuid=8d79d3eb-5400-0000-78b5-eafe73040000 pid=1139 /tmp/sample.bin guuid=2f5eece8-5400-0000-78b5-eafe72040000 pid=1138->guuid=8d79d3eb-5400-0000-78b5-eafe73040000 pid=1139 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
84 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844397 Sample: armv6l.elf Startdate: 04/01/2026 Architecture: LINUX Score: 84 65 45.153.34.74, 12344, 33944 SKYLINKNL Germany 2->65 67 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 Yara detected Mirai 2->71 9 armv6l.elf 2->9         started        signatures3 process4 signatures5 75 Found strings related to Crypto-Mining 9->75 12 armv6l.elf 9->12         started        14 armv6l.elf sh 9->14         started        16 armv6l.elf sh 9->16         started        18 3 other processes 9->18 process6 file7 22 armv6l.elf sh 12->22         started        24 armv6l.elf sh 12->24         started        26 armv6l.elf sh 12->26         started        38 41 other processes 12->38 28 sh crontab 14->28         started        32 sh 14->32         started        34 sh cp 16->34         started        36 sh chmod 16->36         started        59 /etc/rc.local, ASCII 18->59 dropped 73 Sample tries to persist itself using System V runlevels 18->73 40 2 other processes 18->40 signatures8 process9 file10 42 sh pkill 22->42         started        45 sh pkill 24->45         started        47 sh pkill 26->47         started        61 /var/spool/cron/crontabs/tmp.OJQOLX, ASCII 28->61 dropped 81 Sample tries to persist itself using cron 28->81 83 Executes the "crontab" command typically for achieving persistence 28->83 49 sh crontab 32->49         started        63 /usr/bin/systemd-update, ELF 34->63 dropped 85 Drops files in suspicious directories 34->85 51 sh crontab 38->51         started        53 sh pkill 38->53         started        55 sh pkill 38->55         started        57 39 other processes 38->57 87 Sample tries to set files in /etc globally writable 40->87 signatures11 process12 signatures13 77 Sample tries to kill multiple processes (SIGKILL) 42->77 79 Executes the "crontab" command typically for achieving persistence 49->79
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-04 06:08:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
Write file to user bin folder
File and Directory Permissions Modification
Modifies hosts file
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 fbc145c2d4f398cc70adc58e0473967e82e038669bc8d46733ce87a150b17a4b

(this sample)

  
Delivery method
Distributed via web download

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