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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45
SHA3-384 hash: 2a8110807966a12e672ff6d9c6f7df3248f1a89df4599bdafb73384454d99ee3fb5799e26f1a0f68accbda0b6528141b
SHA1 hash: bdf11611cc97473f2905a53398d7db21e8adf73a
MD5 hash: 7c4c96e7499a2e451ce4d0f34736510f
humanhash: golf-jersey-helium-shade
File name:bin.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:83'780 bytes
First seen:2026-05-21 07:19:04 UTC
Last seen:2026-05-22 10:22:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6asuwYGtPvFwCYL5kaRc2nKCzcr77NQjlJ1Cr+cAGjMQ:6juwYGtPvFFYfRhKC07GjlJ17/ot
TLSH T10083BF23DD251E98C15489B0B0F2CF762793E4E881871EB79AD5C5ADA053EDCF502BB4
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 :
74
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/8e3616fa-b6f6-48c5-b16b-f1f964306e5d/
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a0eb1f8861ee596e642b846/reports/cfd067a7-7fc3-4442-9fea-f5385de8f07e/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-21T05:16:00Z UTC
Last seen:
2026-05-21T11:40:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1808955c-7892-49e3-b597-8b208b46e9dc
Behavior Graph:
Download SVG
%3 guuid=d7fcfb63-1900-0000-39da-a729010a0000 pid=2561 /usr/bin/sudo guuid=c8672c68-1900-0000-39da-a729080a0000 pid=2568 /tmp/sample.bin guuid=d7fcfb63-1900-0000-39da-a729010a0000 pid=2561->guuid=c8672c68-1900-0000-39da-a729080a0000 pid=2568 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e8d6456c-2631-4558-8657-7a4f005a8609
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-21 07:20:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7hspd6zd7vfcbobma5h2corkkgmzmap2b5oj3i3aknv4kqkpvcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260521-h5n1xsg16l/
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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 4fcf278fd91fea5105c1603a7d09d1528cccb00fd07ae4ed1b029b5e2a0a7d45

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3821584/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3847401/

Comments