MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3217056a47b76cb9d5b9ce1368c38c1994f1d6f07205961cf1faa2dbe479fddd. 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: 8


Intelligence 8 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3217056a47b76cb9d5b9ce1368c38c1994f1d6f07205961cf1faa2dbe479fddd
SHA3-384 hash: 01a652d94a0b04ba4a29519524984a443a1f358365810627f58e51cde52504cb5e0f7c30d675e3846ddd10d29def65a4
SHA1 hash: 8f776bc8044d16d58f788f8b92a6d42b7ca07eac
MD5 hash: b9c2f3120393f34cef296d31fae22472
humanhash: kansas-mobile-sad-south
File name:Yboats.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:128'600 bytes
First seen:2025-12-03 07:27:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:G3+uA1ZrDx4kWn2J0frGcpDkciTT8HGqg6elFzy:F1hvJY3nK6e7W
TLSH T1FEC33C46BD918A22CAD522BBFB2E118C332613ECD2EB71039D245B6837CA55F1E37645
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2cec0b417608931a403cfe5b028bb36d7308fce48c7b6ebf6dd6b5e5ea4fda0d
File size (compressed) :44'344 bytes
File size (de-compressed) :128'600 bytes
Format:linux/arm
Packed file: 2cec0b417608931a403cfe5b028bb36d7308fce48c7b6ebf6dd6b5e5ea4fda0d

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
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.29502.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30442.LC.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7135980-0
Create hunting rule

Unix.Dropper.Mirai-7171384-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

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

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

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

Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4ea51146-95e3-4224-90c9-861d7ec1a4a2
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1825128
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825128 Sample: Yboats.arm.elf Startdate: 03/12/2025 Architecture: LINUX Score: 100 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 daisy.ubuntu.com 162.213.35.24, 37114, 443 CANONICAL-ASGB United States 2->23 25 54.217.10.153, 34598, 443 AMAZON-02US United States 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 2 other signatures 2->33 8 Yboats.arm.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 dash rm 2->13         started        15 2 other processes 2->15 signatures3 process4 signatures5 35 Sample deletes itself 8->35 17 Yboats.arm.elf 8->17         started        process6 process7 19 Yboats.arm.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3217056a47b76cb9d5b9ce1368c38c1994f1d6f07205961cf1faa2dbe479fddd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3217056a47b76cb9d5b9ce1368c38c1994f1d6f07205961cf1faa2dbe479fddd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 07:28:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gilqk2shw5wltvnzzyjwrq4mdgkpdvxqoiczmhhr7krnxzdz7xoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable
Link:
https://tria.ge/reports/251203-jasajagn5w/
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
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/3217056a47b76cb9d5b9ce1368c38c1994f1d6f07205961cf1faa2dbe479fddd

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_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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

File information

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

Web download

Gafgyt

elf 2cec0b417608931a403cfe5b028bb36d7308fce48c7b6ebf6dd6b5e5ea4fda0d

Mirai

elf 3217056a47b76cb9d5b9ce1368c38c1994f1d6f07205961cf1faa2dbe479fddd

(this sample)

  
Dropped by
SHA256 2cec0b417608931a403cfe5b028bb36d7308fce48c7b6ebf6dd6b5e5ea4fda0d
  
URLhaus
https://urlhaus.abuse.ch/url/3723976/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7872847e6d485c8fe6e2b42d4d49c22c

Comments