MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc9b4d1471053e70bab3754ca4eee5e3c1efd4841f3bab122c012ded8819ec98. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: dc9b4d1471053e70bab3754ca4eee5e3c1efd4841f3bab122c012ded8819ec98
SHA3-384 hash: bf2c3c0270c0447933bc31849ec18e778f923d30aace429616174679151509b1089ef8ba47d6fd7aed69f267b14b8611
SHA1 hash: b681c8804f900a49a9078fc242ee38a5c072dd6f
MD5 hash: 45f58c2e8decdd4d040a298f126c5d05
humanhash: ceiling-london-twenty-arizona
File name:ecco.i686
Download: download sample
Signature Mirai
File size:79'676 bytes
First seen:2025-12-09 18:53:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZZYxiO8OdPa8NVe+J5HipoVQLlelX15YxgSstmJ/SDNTnouy8HyM:A84vHViFRelX1+xXKmONroutX
TLSH T156731297D699FC09CCA6853A9CFF3CCA154BC859123C2F20DBA164F74594AC44B257B1
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) :79'676 bytes
File size (de-compressed) :224'612 bytes
Format:linux/i386
Unpacked file: b353221db9ccb4b096bc05f25ceeb8718278dabad990b03092708828a4ea4ba1

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Traces processes
Performs a bruteforce attack in the network
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-09T16:01:00Z UTC
Last seen:
2025-12-09T16:44:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.Vacron.a HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.DLink.a HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.cw HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.Mvpower.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ii HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
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
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829792 Sample: ecco.i686.elf Startdate: 09/12/2025 Architecture: LINUX Score: 100 74 67.89.180.208 XO-AS15US United States 2->74 76 212.148.164.99 VODANETInternationalIP-BackboneofVodafoneDE United Kingdom 2->76 78 98 other IPs or domains 2->78 86 Suricata IDS alerts for network traffic 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Detected Mirai 2->90 92 6 other signatures 2->92 12 ecco.i686.elf 2->12         started        signatures3 process4 process5 14 ecco.i686.elf 12->14         started        process6 16 ecco.i686.elf 14->16         started        file7 66 /etc/init.d/sysd, POSIX 16->66 dropped 80 Sample tries to set files in /etc globally writable 16->80 82 Drops files in suspicious directories 16->82 84 Sample tries to persist itself using System V runlevels 16->84 20 ecco.i686.elf 16->20         started        22 ecco.i686.elf 16->22         started        25 ecco.i686.elf sh 16->25         started        signatures8 process9 file10 27 ecco.i686.elf 20->27         started        29 ecco.i686.elf sh 20->29         started        31 ecco.i686.elf 20->31         started        39 4 other processes 20->39 68 /usr/Bin), ELF 22->68 dropped 33 ecco.i686.elf 22->33         started        35 ecco.i686.elf sh 22->35         started        37 sh cp 25->37         started        process11 process12 41 ecco.i686.elf 27->41         started        57 559 other processes 27->57 43 sh crontab 29->43         started        47 sh 29->47         started        49 ecco.i686.elf 31->49         started        51 ecco.i686.elf 33->51         started        59 432 other processes 33->59 53 sh crontab 35->53         started        55 sh 35->55         started        file13 70 /var/spool/cron/crontabs/tmp.NshARq, ASCII 43->70 dropped 94 Sample tries to persist itself using cron 43->94 96 Executes the "crontab" command typically for achieving persistence 43->96 61 sh crontab 47->61         started        72 /var/spool/cron/crontabs/tmp.zNzWCt, ASCII 53->72 dropped 64 sh crontab 55->64         started        signatures14 process15 signatures16 98 Executes the "crontab" command typically for achieving persistence 61->98
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-09 18:54:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Modifies Watchdog functionality
Traces itself
Contacts a large (221041) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 dc9b4d1471053e70bab3754ca4eee5e3c1efd4841f3bab122c012ded8819ec98

(this sample)

  
Delivery method
Distributed via web download

Comments