MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b
SHA3-384 hash: a08ed757a90882eaf7e990f4bc2c099c1104639d0fa1a83975a2e535939ff0e4df96bdd8c42506790e8adf92cdc81b86
SHA1 hash: 30296d4d28338ba5bebc5ed5238963d44a23615f
MD5 hash: 076d092ea13ff685ec70013b345aeb4c
humanhash: jersey-floor-mexico-october
File name:SH4
Download: download sample
Signature Mirai
Create hunting rule
File size:111'920 bytes
First seen:2026-05-16 00:35:51 UTC
Last seen:2026-05-16 06:52:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:LC6ZpQwb+AaQEONhPi0HXUWoUeODWJOf:LC6ZW4IvWM1JOf
TLSH T118B33B46C5725FB6C011F4B174B5AE34070D7AA25B1F1BD86839AAA1078F9CAF40FB78
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 :
2
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-9871828-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6a07bc03875badc3b3878329/reports/dc56eb7d-c44c-4836-b308-7e11dd6c84bb/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-15T21:49:00Z UTC
Last seen:
2026-05-17T18:22:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1762c10f-6d16-405e-b904-c98abf184ead
Behavior Graph:
Download SVG
%3 guuid=4f95885b-1600-0000-7ee1-ef3f1b0c0000 pid=3099 /usr/bin/sudo guuid=f258135e-1600-0000-7ee1-ef3f230c0000 pid=3107 /tmp/sample.bin guuid=4f95885b-1600-0000-7ee1-ef3f1b0c0000 pid=3099->guuid=f258135e-1600-0000-7ee1-ef3f230c0000 pid=3107 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d3b3ae4a-8bcb-405a-bd3a-e45229f4ad5c
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1914306
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Opens /proc/net/* files useful for finding connected devices and routers
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1914306 Sample: SH4.elf Startdate: 16/05/2026 Architecture: LINUX Score: 92 101 176.65.139.26, 58890, 58892, 58894 PALTEL-ASPALTELAutonomousSystemPS Germany 2->101 103 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->103 105 daisy.ubuntu.com 2->105 10 SH4.elf 2->10         started        13 systemd .systemd-helper 2->13         started        15 systemd gvfsd 2->15         started        17 44 other processes 2->17 process3 signatures4 129 Opens /proc/net/* files useful for finding connected devices and routers 10->129 19 SH4.elf 10->19         started        21 SH4.elf 10->21         started        23 .systemd-helper 13->23         started        25 .systemd-helper 13->25         started        27 gvfsd 15->27         started        29 gvfsd gvfsd-trash 15->29         started        131 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->131 133 Reads system files that contain records of logged in users 17->133 31 accounts-daemon language-validate 17->31         started        33 xfce4-panel wrapper-2.0 17->33         started        35 5 other processes 17->35 process5 process6 37 SH4.elf 19->37         started        41 .systemd-helper 23->41         started        43 gvfsd gvfsd-fuse 27->43         started        45 language-validate language-options 31->45         started        47 wrapper-2.0 xfpm-power-backlight-helper 33->47         started        file7 97 /usr/local/lib/.systemd-helper, ELF 37->97 dropped 99 /etc/init.d/botnet, POSIX 37->99 dropped 121 Sample tries to set files in /etc globally writable 37->121 123 Drops invisible ELF files 37->123 125 Drops files in suspicious directories 37->125 49 SH4.elf sh 37->49         started        51 SH4.elf sh 37->51         started        53 SH4.elf 37->53         started        62 3 other processes 37->62 127 Sample deletes itself 41->127 56 .systemd-helper sh 41->56         started        58 gvfsd-fuse fusermount 43->58         started        60 language-options sh 45->60         started        signatures8 process9 signatures10 64 sh crontab 49->64         started        68 sh 49->68         started        70 sh update-rc.d 51->70         started        115 Sample tries to kill a massive number of system processes 53->115 117 Sample tries to kill multiple processes (SIGKILL) 53->117 72 sh 56->72         started        74 sh crontab 56->74         started        119 Sample reads /proc/mounts (often used for finding a writable filesystem) 58->119 82 2 other processes 60->82 76 sh systemctl 62->76         started        78 sh systemctl 62->78         started        80 sh systemctl 62->80         started        process11 file12 95 /var/spool/cron/crontabs/tmp.tNCK0j, ASCII 64->95 dropped 107 Sample tries to persist itself using cron 64->107 109 Executes the "crontab" command typically for achieving persistence 64->109 84 sh crontab 68->84         started        87 sh grep 68->87         started        111 Sample tries to persist itself using System V runlevels 70->111 89 update-rc.d systemctl 70->89         started        91 sh crontab 72->91         started        93 sh 72->93         started        signatures13 process14 signatures15 113 Executes the "crontab" command typically for achieving persistence 84->113
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-16 00:36:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtc67jow44cg7tqkwlq3lkujjbcuhuxnfflb3uyfrwble6gaxinq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260516-ax8flacx2l/
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/bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 bcc5efa5d6e7046fce0ab2e1b5aa89484543d2ed29561dd3058d82b278c0ba1b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3838513/
  
Delivery method
Distributed via web download

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