MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 186c3eb179dda9525852c81b591d4259ccfc5c0d36eaa234af6eb4e4cbcf5b96. 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 7 File information Comments

SHA256 hash: 186c3eb179dda9525852c81b591d4259ccfc5c0d36eaa234af6eb4e4cbcf5b96
SHA3-384 hash: 3d3cef2a10ed44a84f425b4ecf2cbf96d8caa6d24bcf7e58ee389259abd80a33a434ae6d40710b1b782897c810e19886
SHA1 hash: eca2cd5bf6dacd2f9ad24ddf64d9e926a7b06e81
MD5 hash: 4eb4aa13aa6b2f9e4253cde6d0207abc
humanhash: one-massachusetts-comet-hamper
File name:ecco.mips
Download: download sample
Signature Mirai
File size:327'936 bytes
First seen:2025-12-05 17:12:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:Zo43gjBFLshFwwIGiTpNZ9qpUDnpPAA8okA+F4XjvTS10QJcHIpf087HoPyFmyTp:YkYvSDHoZXSi3P8
TLSH T17564D70E6E228F3EF778863457F78E20975D23D627E1D584E1ACD6100E6065E642FFA8
telfhash t1df51916c0d7813a4a6656c4d48acff37d6a324df7e162c338e10e85ee72aa838d14c1d
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b9e7d4f2be1e68f3c47dac1d59edef69ce21ac3af8a27c0b8d3b3310a0024727
File size (compressed) :88'968 bytes
File size (de-compressed) :327'936 bytes
Format:linux/mips
Packed file: b9e7d4f2be1e68f3c47dac1d59edef69ce21ac3af8a27c0b8d3b3310a0024727

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Sanesecurity.Malware.30435.LC.UNOFFICIAL
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Sanesecurity.Malware.29001.LCM.UNOFFICIAL
Unix.Trojan.Mirai-7100807-0
Unix.Dropper.Mirai-7135870-0
Unix.Dropper.Mirai-7135881-0
Unix.Dropper.Mirai-7135897-0
Unix.Dropper.Mirai-7135901-0
Unix.Dropper.Mirai-7135909-0
Unix.Trojan.Mirai-7135916-0
Unix.Dropper.Mirai-7135918-0
Unix.Dropper.Mirai-7135954-0
Unix.Dropper.Mirai-7135996-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136016-0
Unix.Dropper.Mirai-7136017-0
Unix.Dropper.Mirai-7136028-0
Unix.Dropper.Mirai-7136033-0
Unix.Dropper.Mirai-7136057-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-8041698-0
Unix.Trojan.Mirai-9441505-0
Unix.Trojan.Mirai-9807962-0
Unix.Trojan.Mirai-9808381-0
Unix.Trojan.Mirai-9858729-0
Unix.Dropper.Mirai-9977145-0
Unix.Dropper.Mirai-10007027-0
Unix.Trojan.Mirai-10009361-0
Unix.Trojan.Mirai-10011027-0
Unix.Trojan.Mirai-10011918-0
Unix.Trojan.Mirai-10058414-0
Unix.Packed.Botnet-6566031-0
Unix.Dropper.Botnet-6566040-0
Unix.Trojan.Gafgyt-6748839-0
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-05T12:01:00Z UTC
Last seen:
2025-12-05T21:02:00Z UTC
Hits:
~10
Gathering data
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827438 Sample: ecco.mips.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 71 138.204.84.18 oliveirasantostelecomunicacoesltdaBR Brazil 2->71 73 180.195.206.195 WIN-AS-TH-APWorldInternetworkCoLtdThailandTH Philippines 2->73 75 98 other IPs or domains 2->75 83 Suricata IDS alerts for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for dropped file 2->87 89 6 other signatures 2->89 12 ecco.mips.elf 2->12         started        signatures3 process4 process5 14 ecco.mips.elf 12->14         started        process6 16 ecco.mips.elf 14->16         started        file7 65 /etc/init.d/sysd, POSIX 16->65 dropped 77 Sample tries to set files in /etc globally writable 16->77 79 Drops files in suspicious directories 16->79 81 Sample tries to persist itself using System V runlevels 16->81 20 ecco.mips.elf 16->20         started        23 ecco.mips.elf sh 16->23         started        25 ecco.mips.elf 16->25         started        27 4 other processes 16->27 signatures8 process9 file10 67 /usr/Bin), ELF 20->67 dropped 29 ecco.mips.elf 20->29         started        31 ecco.mips.elf sh 20->31         started        33 ecco.mips.elf 20->33         started        37 4 other processes 20->37 35 sh cp 23->35         started        process11 signatures12 40 ecco.mips.elf 29->40         started        58 963 other processes 29->58 42 sh crontab 31->42         started        46 sh 31->46         started        48 ecco.mips.elf 33->48         started        50 ecco.mips.elf 33->50         started        52 ecco.mips.elf 33->52         started        54 ecco.mips.elf 33->54         started        91 Manipulation of devices in /dev 37->91 56 ecco.mips.elf 37->56         started        process13 file14 69 /var/spool/cron/crontabs/tmp.wXt6kK, ASCII 42->69 dropped 93 Sample tries to persist itself using cron 42->93 95 Executes the "crontab" command typically for achieving persistence 42->95 60 sh crontab 46->60         started        97 Manipulation of devices in /dev 48->97 99 Deletes system log files 48->99 63 ecco.mips.elf 50->63         started        signatures15 process16 signatures17 101 Executes the "crontab" command typically for achieving persistence 60->101
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-05 17:13:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates/modifies Cron job
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes system logs
Modifies Watchdog functionality
Contacts a large (164149) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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 186c3eb179dda9525852c81b591d4259ccfc5c0d36eaa234af6eb4e4cbcf5b96

(this sample)

  
Delivery method
Distributed via web download

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