MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66bfd1c57bb7dc12ba5a712af051bdee07aaa52d4065d4067b26023d2f940550. 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: 66bfd1c57bb7dc12ba5a712af051bdee07aaa52d4065d4067b26023d2f940550
SHA3-384 hash: 010a6f13411f6906300cb65231e5a98d16243f17e15dd76f0fabf8829ffff058efdfcf3190439948da0ad239a9a7030b
SHA1 hash: b990ba48cdbbd2aec17ec2236ceb13bd7a369b83
MD5 hash: 6bf328d8b901f2eccb181a5ac9261fb9
humanhash: south-floor-spring-mirror
File name:iran.sh4
Download: download sample
Signature Mirai
File size:105'056 bytes
First seen:2026-02-04 08:10:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7RufPeqU2CVKCsNV7lsLPC9z+NzWuBx/3RhyXAr:8bU2RC4kPCtSzWu3/3L1r
TLSH T19CA328A3CC766F58C628D5B4B0B18F796B93AA6081475FBE1567C27480C3D8DF6063B8
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 :
77
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-01T15:46:00Z UTC
Last seen:
2026-02-04T07:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=40b683e8-1a00-0000-dfe3-13b1760d0000 pid=3446 /usr/bin/sudo guuid=0a8944ea-1a00-0000-dfe3-13b17e0d0000 pid=3454 /tmp/sample.bin guuid=40b683e8-1a00-0000-dfe3-13b1760d0000 pid=3446->guuid=0a8944ea-1a00-0000-dfe3-13b17e0d0000 pid=3454 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1863088 Sample: iran.sh4.elf Startdate: 04/02/2026 Architecture: LINUX Score: 52 21 64.89.161.81, 36196, 36198, 36200 DIXIE-NETUS United States 2->21 23 daisy.ubuntu.com 2->23 27 Multi AV Scanner detection for submitted file 2->27 8 dash rm iran.sh4.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 iran.sh4.elf 8->16         started        process6 18 iran.sh4.elf 16->18         started        signatures7 25 Sample deletes itself 18->25
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-01 20:38:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
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_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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 66bfd1c57bb7dc12ba5a712af051bdee07aaa52d4065d4067b26023d2f940550

(this sample)

  
Delivery method
Distributed via web download

Comments