MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af
SHA3-384 hash: d15c1ace136b3dcc8df45831a873794428ee69ed763e0586d7bb944aeffea0dfad262b03bc798486ccb11ba4392a88ba
SHA1 hash: f8510d4ec2feee3442e27084417177dd6765c540
MD5 hash: 8e155338629d270555a6966212349c40
humanhash: rugby-winner-march-tennessee
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:177'004 bytes
First seen:2025-11-18 16:40:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:fiN3JMJdXC9yVGNOjyqHtzfTZjc2Slfx2BncRpj:fiBJMJdXLxlfTZI2SRx7R
TLSH T1C4041916BF110EFBD85BCD3B45B92B0124DC585A22E97B3ABA34C418F54B25F2AD3D60
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/691ca1c456cb9be853a73a47/reports/3eac5ca5-9cde-45b1-8a37-6a5acf8c3262/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-18T13:53:00Z UTC
Last seen:
2025-11-19T06:28:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9bc8fa56-2c1e-4871-99ac-43a677e294b8
Behavior Graph:
Download SVG
%3 guuid=818300ef-1a00-0000-0146-74aa2a0b0000 pid=2858 /usr/bin/sudo guuid=cb53b3f1-1a00-0000-0146-74aa330b0000 pid=2867 /tmp/sample.bin guuid=818300ef-1a00-0000-0146-74aa2a0b0000 pid=2858->guuid=cb53b3f1-1a00-0000-0146-74aa330b0000 pid=2867 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/94ba6ed8-d7fc-440b-99b3-af1e49e6fdd9
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1816205
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816205 Sample: mipsel.elf Startdate: 18/11/2025 Architecture: LINUX Score: 72 30 169.254.169.254, 80 USDOSUS Reserved 2->30 32 154.6.197.36, 1999, 41462, 41464 COGENT-174US United States 2->32 34 4 other IPs or domains 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Yara detected Moobot 2->40 42 Yara detected Mirai 2->42 8 mipsel.elf 2->8         started        10 python3.8 dpkg 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 mipsel.elf 8->16         started        18 mipsel.elf 8->18         started        20 mipsel.elf 8->20         started        22 mipsel.elf 8->22         started        process6 24 mipsel.elf 16->24         started        26 mipsel.elf 16->26         started        28 mipsel.elf 16->28         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 16:41:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z36hg2rzwo5knyk5hlvhlhel7d4ac3ugm2kvem3j4jj7nsyqqgxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251118-t7cw8axjfv/
Behaviour
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/f9177543-0e70-4dd5-b0a7-4ba0c2383c1e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Unpack
Create hunting rule
Rule name:Qbot_Gafgyt_Bashlite
Create hunting rule
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 cefc736a39b3baa6e15d3aea759c8bf8f8016e866695523369e253f6cb1081af

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3711290/
  
Delivery method
Distributed via web download

Comments