MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 effa5b76a489de0777fda6ea9c1fd46699987377bada094c570001adc2df5fa9. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: effa5b76a489de0777fda6ea9c1fd46699987377bada094c570001adc2df5fa9
SHA3-384 hash: 53d77176d5921d741b183d285c595e216d84a77ec7ad3fbde97e178f06b757af02c0c2da111fe84915dce9ee1c69392b
SHA1 hash: 6d87c649e02cae03730383e2fb1a55426449438e
MD5 hash: ded36a2192ba42163686c8d642a280ed
humanhash: social-winter-cardinal-bacon
File name:spc
Download: download sample
Signature Mirai
File size:75'960 bytes
First seen:2026-01-26 05:41:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:8/O90Y9zGE4OCPkqzOxccc50Ydg+HtWGXkO+YWBb5VHT5zwup1JBtOgYI0Ct:8/O6mzGEZCP5z+cz5tnuYW55TvtOb5W
TLSH T154732B32BE764D2BC5C0A57661F38735F2F6878624AC891E3E610E8DAF2564032877F5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-26T04:04:00Z UTC
Last seen:
2026-01-26T05:10:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a63ea62b-1900-0000-7212-314e530b0000 pid=2899 /usr/bin/sudo guuid=b915552d-1900-0000-7212-314e580b0000 pid=2904 /tmp/sample.bin guuid=a63ea62b-1900-0000-7212-314e530b0000 pid=2899->guuid=b915552d-1900-0000-7212-314e580b0000 pid=2904 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857414 Sample: spc.elf Startdate: 26/01/2026 Architecture: LINUX Score: 80 63 222.254.211.232, 18906 VNPT-AS-VNVNPTCorpVN Viet Nam 2->63 65 154.69.72.201, 57243 Telkom-InternetZA South Africa 2->65 67 25 other IPs or domains 2->67 69 Antivirus / Scanner detection for submitted sample 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected Mirai 2->73 75 Connects to many ports of the same IP (likely port scanning) 2->75 10 systemd gpu-manager 2->10         started        12 spc.elf 2->12         started        15 systemd accounts-daemon 2->15         started        17 22 other processes 2->17 signatures3 process4 file5 20 gpu-manager sh 10->20         started        22 gpu-manager sh 10->22         started        24 gpu-manager sh 10->24         started        33 5 other processes 10->33 79 Sample tries to kill multiple processes (SIGKILL) 12->79 26 spc.elf 12->26         started        35 4 other processes 12->35 81 Reads system files that contain records of logged in users 15->81 29 accounts-daemon language-validate 15->29         started        61 /var/log/wtmp, data 17->61 dropped 83 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->83 31 gdm3 plymouth 17->31         started        37 4 other processes 17->37 signatures6 process7 signatures8 39 sh grep 20->39         started        41 sh grep 22->41         started        43 sh grep 24->43         started        77 Sample tries to kill multiple processes (SIGKILL) 26->77 45 language-validate language-options 29->45         started        47 sh grep 33->47         started        49 sh grep 33->49         started        51 sh grep 33->51         started        53 2 other processes 33->53 process9 process10 55 language-options sh 45->55         started        process11 57 sh locale 55->57         started        59 sh grep 55->59         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2026-01-26 05:42:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 effa5b76a489de0777fda6ea9c1fd46699987377bada094c570001adc2df5fa9

(this sample)

  
Delivery method
Distributed via web download

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