MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d
SHA3-384 hash: dbb4b9ed6523ac1210e63e726864a09779fa9cf82b388c6339f1d57d3fe9b17ffaa7ec090e8eaf6695029bf7c1f709c6
SHA1 hash: edb58b100b7b2ec2ed2a48cf267136f6f1d039dd
MD5 hash: 599632ec7958388837c6782dfde40d9b
humanhash: neptune-sodium-zebra-mike
File name:yamaha.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:206'684 bytes
First seen:2025-12-21 18:53:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:dGuOZYs8BtEBjPYa6HOGvT+mBsmLtqIpMBP:dGuOb8BtEFJCgmRLtbpMB
TLSH T16B14961E6E228F7EF6A8873547B78E20975833D713E1D645E1ACC2101E6079E641FFA8
telfhash t1e6419458097813b0a7356c5d089dff67d6a331db7e1a2c278b10e86aeb69f835d14c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
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/e2f45373-0b6f-4d28-a809-0ffab122491d/
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.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Runs as daemon
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm masquerade mirai
Link:
https://www.filescan.io/uploads/69484256e126b9ff438af568/reports/0561732f-e88c-4e3c-8ad5-d2b1880583e9/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-21T13:54:00Z UTC
Last seen:
2025-12-22T20:15:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ee3cc47e-f325-4ff8-8cf7-f29247f51d2b
Behavior Graph:
Download SVG
%3 guuid=22b876cf-1800-0000-2ec4-2ca35e0d0000 pid=3422 /usr/bin/sudo guuid=d39d95d1-1800-0000-2ec4-2ca3660d0000 pid=3430 /tmp/sample.bin guuid=22b876cf-1800-0000-2ec4-2ca35e0d0000 pid=3422->guuid=d39d95d1-1800-0000-2ec4-2ca3660d0000 pid=3430 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/afa4e65f-b0ad-4fda-9d6c-031810b28631
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1837181
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837181 Sample: yamaha.mips.elf Startdate: 21/12/2025 Architecture: LINUX Score: 80 24 hknhosting.xyz 2->24 26 169.254.169.254, 80 USDOSUS Reserved 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 yamaha.mips.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 38 Performs DNS queries to domains with low reputation 24->38 process4 process5 15 yamaha.mips.elf 7->15         started        18 yamaha.mips.elf 7->18         started        20 yamaha.mips.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 40 Sample tries to kill multiple processes (SIGKILL) 15->40
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 18:54:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcunrpa3t4qeq7ljmtpqumi6i75ssvbsqjmmeusgwhpjbflx3qgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251221-xjt3dazkb1/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to system bin folder
Modifies Watchdog functionality
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/26c90835-afbc-490d-8d42-47cd17ddd3a7
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/b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d

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:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 b8a8d8bc1b9f20487d6964df0a311e47fb2954328258c25246b1de909577dc0d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3738246/
  
Delivery method
Distributed via web download

Comments