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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e
SHA3-384 hash: 8c7641e1d49f908bb9875f5f3657847d1d073d48c9089807d3014358b3263e085de62d60ac7ab373209166f3beebab17
SHA1 hash: 9b22f62912966bcaefda37f5108290115e9d20e6
MD5 hash: 466be7d2f39d28fef5d6672dd77d5faf
humanhash: mountain-october-pizza-lithium
File name:px86
Download: download sample
Signature Mirai
Create hunting rule
File size:68'484 bytes
First seen:2026-06-19 07:07:58 UTC
Last seen:2026-06-19 14:53:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:l8qZC5XIQOEgtnQQsJzbojKWMixJBWBWlAhdiGDzo0ALnouy8ryf:l8D4QOReobWBWlApzo0AToutQ
TLSH T1DA63029B42DAFBA5F87BA2B0B00E942E1C13D1760D55CDAF4E64913BE564A118CED3C3
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 UPX
File size (compressed) :68'484 bytes
File size (de-compressed) :163'016 bytes
Format:linux/i386
Unpacked file: 18e7ebf23c30c0841bd2fccffefd4d6a5d0a15283e5d118ba2117ee05e89489c

Intelligence

File Origin
# of uploads :
2
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/212ad842-6f77-441d-992c-eb9d8e324839/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Kills processes
Opens a port
Connection attempt
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a34eaf99799578a6c41274a/reports/d782d87d-b2a8-4072-83ca-cfaff0c97e7b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-19T04:21:00Z UTC
Last seen:
2026-06-19T04:59:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2be102e9-de8b-4e99-aedb-507bf8522c8f
Behavior Graph:
Download SVG
%3 guuid=a20e4d60-1a00-0000-e296-c84e570c0000 pid=3159 /usr/bin/sudo guuid=75295c62-1a00-0000-e296-c84e5a0c0000 pid=3162 /tmp/sample.bin delete-file net guuid=a20e4d60-1a00-0000-e296-c84e570c0000 pid=3159->guuid=75295c62-1a00-0000-e296-c84e5a0c0000 pid=3162 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=75295c62-1a00-0000-e296-c84e5a0c0000 pid=3162->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=20024c63-1a00-0000-e296-c84e5d0c0000 pid=3165 /tmp/sample.bin net send-data zombie guuid=75295c62-1a00-0000-e296-c84e5a0c0000 pid=3162->guuid=20024c63-1a00-0000-e296-c84e5d0c0000 pid=3165 clone guuid=20024c63-1a00-0000-e296-c84e5d0c0000 pid=3165->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con cdd9a59d-ebea-5ef6-bf59-6b5cacebbc95 62.60.159.184:18129 guuid=20024c63-1a00-0000-e296-c84e5d0c0000 pid=3165->cdd9a59d-ebea-5ef6-bf59-6b5cacebbc95 send: 12B guuid=81c15d63-1a00-0000-e296-c84e5e0c0000 pid=3166 /tmp/sample.bin guuid=20024c63-1a00-0000-e296-c84e5d0c0000 pid=3165->guuid=81c15d63-1a00-0000-e296-c84e5e0c0000 pid=3166 clone guuid=2a5c6263-1a00-0000-e296-c84e5f0c0000 pid=3167 /tmp/sample.bin guuid=20024c63-1a00-0000-e296-c84e5d0c0000 pid=3165->guuid=2a5c6263-1a00-0000-e296-c84e5f0c0000 pid=3167 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/741dc9fd-6be3-425b-b970-e481315cb2ac
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-19 07:08:56 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrtp33hz6xbzbvlic65aipj7w4lcs2jksimihrmjl3dnzkef2vha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260619-hyk1paew2j/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Modifies Watchdog functionality
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf bc66fdecf9f5c390d56817ba043d3fb71629692a921883c5895ec6dca885d54e

(this sample)

Mirai

elf 18e7ebf23c30c0841bd2fccffefd4d6a5d0a15283e5d118ba2117ee05e89489c

  
URLhaus
https://urlhaus.abuse.ch/url/3865880/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 18e7ebf23c30c0841bd2fccffefd4d6a5d0a15283e5d118ba2117ee05e89489c
  
Dropping
MD5 9608081a1d231e2649d60c4a696bc425

Comments