MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8. 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: 13


Intelligence 13 IOCs YARA 22 File information Comments
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SHA256 hash: c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8
SHA3-384 hash: c2a7c243a6989eff0cedbb19c14fb8a61f5d291a0ec291ef5912affc6db7342ff5187d8e1a2c69c9f3d437feb2af3ed9
SHA1 hash: d603e6e80c54a0855c9fe20b6ecc01751d71c25b
MD5 hash: d1f91b391b6d517a66fbed0d11b2d9ea
humanhash: mirror-thirteen-william-louisiana
File name:ecco.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:207'684 bytes
First seen:2025-12-09 19:34:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:quAr5XydOYVR8Kb5/NZfLKbYE4zt3l2eCq2ZLoSS:qPr5XydOYV79KkEQUoSS
TLSH T171146C85F283E6F2D8560674605BEF321E72AA76603BCE82D3FCD636DC41641C51A7AC
telfhash t1b0714ef2256e27fe73e8d912821a6b20ed0ad17768503576427366d931bbe413b30cf5
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 48ca23684869debdbba23e5836984cf3e7003677dba6f463a4a55ef71a397954
File size (compressed) :76'460 bytes
File size (de-compressed) :207'684 bytes
Format:linux/i386
Packed file: 48ca23684869debdbba23e5836984cf3e7003677dba6f463a4a55ef71a397954

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
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
Link:
https://research.acce.ciphertechsolutions.com/results/5538a113-acc2-422c-8a4a-7825aef969a6/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29001.LCM.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136017-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a written file
Launching a process
Sends data to a server
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Connection attempt
Traces processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/693879f71eac7b9b76a24192/reports/e9988917-3077-4ac8-9b3f-d90dfd823016/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-09T19:48:00Z UTC
Last seen:
2025-12-09T23:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e2a5c32-22a2-4755-aec1-33c43be29731
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1829831
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829831 Sample: ecco.x86.elf Startdate: 09/12/2025 Architecture: LINUX Score: 100 74 64.22.117.143, 23 ZCOLO-ATL01US United States 2->74 76 200.83.141.236 VTRBANDAANCHASACL Chile 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 Antivirus detection for dropped file 2->90 92 7 other signatures 2->92 12 ecco.x86.elf 2->12         started        signatures3 process4 process5 14 ecco.x86.elf 12->14         started        process6 16 ecco.x86.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.x86.elf 16->20         started        22 ecco.x86.elf 16->22         started        25 ecco.x86.elf sh 16->25         started        signatures8 process9 file10 27 ecco.x86.elf 20->27         started        29 ecco.x86.elf sh 20->29         started        31 ecco.x86.elf 20->31         started        39 4 other processes 20->39 68 /usr/Bin), ELF 22->68 dropped 33 ecco.x86.elf 22->33         started        35 ecco.x86.elf sh 22->35         started        37 sh cp 25->37         started        process11 process12 41 ecco.x86.elf 27->41         started        43 ecco.x86.elf 27->43         started        57 576 other processes 27->57 45 sh crontab 29->45         started        49 sh 29->49         started        51 ecco.x86.elf 31->51         started        59 415 other processes 33->59 53 sh crontab 35->53         started        55 sh 35->55         started        file13 70 /var/spool/cron/crontabs/tmp.JY91IU, ASCII 45->70 dropped 96 Sample tries to persist itself using cron 45->96 98 Executes the "crontab" command typically for achieving persistence 45->98 61 sh crontab 49->61         started        72 /var/spool/cron/crontabs/tmp.EjKUkm, ASCII 53->72 dropped 64 sh crontab 55->64         started        signatures14 process15 signatures16 94 Executes the "crontab" command typically for achieving persistence 61->94
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-09 19:35:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yfq5kwwqjwd3tznlww2l6gaegikucgyvtjy4laokz357rnrsi24a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251209-yaszdszpdt/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
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 (204762) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/171a4b0b-166a-44ef-bc7f-d1f5b07d3402
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.46
Link:
https://yomi.yoroi.company/submissions/c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8

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
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:VPNFilterStage3PluginTor
Create hunting rule

File information

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

Web download

Mirai

elf 48ca23684869debdbba23e5836984cf3e7003677dba6f463a4a55ef71a397954

Mirai

elf c161d55ad04d87b9e5abb5b4bf18043215411b159a71c581cacefbf8b63246b8

(this sample)

  
Dropped by
SHA256 48ca23684869debdbba23e5836984cf3e7003677dba6f463a4a55ef71a397954
  
URLhaus
https://urlhaus.abuse.ch/url/3725550/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 19c826cc84bafb8c4b1c2001947f5b1c
  
URLhaus
https://urlhaus.abuse.ch/url/3727058/

Comments