MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments

SHA256 hash: 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579
SHA3-384 hash: a2dc19aa528312eabfea9d1a0c0bc911e558fdf012aed77ad230dcfffe635513e2c797020904e00c8db211fdd2360df4
SHA1 hash: c768af29fe4b6695fff1541623e8bbd1c6f242f7
MD5 hash: 849fa04ef88a8e8de32cb2e8538de5fe
humanhash: sodium-princess-sad-pip
File name:k86m
Download: download sample
Signature Mirai
File size:120'808 bytes
First seen:2024-11-03 06:16:26 UTC
Last seen:2025-05-29 10:32:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:VozXHIisGFgyKB7xlBAUNFd4vm4QbZJmf35zPp:bGmyKBxl2U+vm4QbZJm/5zPp
TLSH T1FBC33BA7BC01DFB7F40A977604D30B297230BF624A535566721778AB6E372C4382BB49
telfhash t13a31ffc2a07b4d692eb1a8148ca8c7b475dfaa12d7516eb0ef5dc98c402b1117702ecf
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
6
# of downloads :
101
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug gcc lolbin remote
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
84 / 100
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1547834 Sample: k86m.elf Startdate: 03/11/2024 Architecture: LINUX Score: 84 31 87.120.84.230, 40894, 443, 52538 SHARCOM-ASBG Bulgaria 2->31 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 4 other IPs or domains 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Mirai 2->39 41 Contains symbols with names commonly found in malware 2->41 9 k86m.elf 2->9         started        signatures3 process4 process5 11 k86m.elf 9->11         started        13 k86m.elf 9->13         started        process6 15 k86m.elf sh 11->15         started        17 k86m.elf sh 11->17         started        19 k86m.elf 13->19         started        21 k86m.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.RV50XM, ASCII 23->29 dropped 43 Sample tries to persist itself using cron 23->43 45 Executes the "crontab" command typically for achieving persistence 23->45 signatures9
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-02 19:57:24 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

(this sample)

  
Delivery method
Distributed via web download

Comments