MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5
SHA3-384 hash: 6610acbbc5d40b04f12d97fc899f85f2f214c0e9a232c2ca70e89de460f03167e6387193ada9849a7585f12b7954637a
SHA1 hash: c7cdf4e14290438b1ed158ce487d83f19e2d2659
MD5 hash: 7e5c4dd37e95773940b71410773100a7
humanhash: don-hydrogen-sixteen-ten
File name:boatnet.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:141'920 bytes
First seen:2025-12-24 19:35:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QOuckx3SPfcjjNr/qDhTdDWIZ19K6hh1LEb6:QOucl0jNri9dSIP9dEb6
TLSH T133D37B73D8256E98C625C5B4B0648F782F43D1A881436FBE69B7C2B05487D8DF609BF8
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 :
88
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/21403786-4e58-4645-ad97-e1df6e0c5c1a/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

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

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

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

Unix.Trojan.Generic-9910199-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10042712-0
Create hunting rule

Unix.Trojan.Mirai-10057021-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-24T16:43:00Z UTC
Last seen:
2025-12-25T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9e7a830e-1e6a-4447-b315-db6beeea146e
Behavior Graph:
Download SVG
%3 guuid=17fe4356-1900-0000-5e00-c17364080000 pid=2148 /usr/bin/sudo guuid=009eca58-1900-0000-5e00-c1736d080000 pid=2157 /tmp/sample.bin guuid=17fe4356-1900-0000-5e00-c17364080000 pid=2148->guuid=009eca58-1900-0000-5e00-c1736d080000 pid=2157 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5307be78-9ebd-41a0-8100-d23bf7c5a199
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1839059
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839059 Sample: boatnet.sh4.elf Startdate: 24/12/2025 Architecture: LINUX Score: 76 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 176.65.132.233, 3778, 57584 DIOGELO-ASGB Germany 2->26 28 2 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 7 boatnet.sh4.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.sh4.elf 7->15         started        18 boatnet.sh4.elf 7->18         started        20 boatnet.sh4.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-24 19:36:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z3zb5l45dpap66edwbyq7u4nbmczmqqgayc3dlbplpmouluxsc2q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/251224-yazryabt8d/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/e6c9ead9-44a1-4e4e-9087-bf0dcfc0918f
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/cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf cef21eaf9d1bc0ff7883b0710fd38d0b059642060605b1ac2f5bd8ea2e9790b5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3742734/
  
Delivery method
Distributed via web download

Comments