MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d
SHA3-384 hash: 8c33b56f5997dd114d401584888fb7779f6d51679afa3cd4a37f40a306c8dcf24e71024deaa5d5eb4be32421d3f5c226
SHA1 hash: 4b1c0a595b739304ce7bc40d3b16be2de870bad8
MD5 hash: 96ed199937556dddcf2d8c692b24cae3
humanhash: cold-mango-football-oscar
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:584'780 bytes
First seen:2026-01-29 09:39:22 UTC
Last seen:2026-01-29 19:00:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:zEtdUpsj6HvfQHaO8P7iGiUSbdNI/YcPWQUorrnu0Wr51Q/jnLIjw/vh+GsvExvM:zEEpg8PbSsScubYZx
TLSH T127C43B55B8419A92C2C06BBBFF5E834873271778D2EFB006DC195B643AABC1B0F76542
telfhash t172e07df6d48414f97ef02c3b8cce3328e252f0c735c40d89aafa0c8e8413d442800527
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135872-0
Create hunting rule

Unix.Dropper.Mirai-7135893-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-7759336-0
Create hunting rule

Unix.Trojan.Mirai-7772538-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951089-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm bash expand gafgyt lolbin mirai rust
Link:
https://www.filescan.io/uploads/697b2ad14156786ccbdee92a/reports/b118ca82-d2b3-42e3-be22-5b4c37346107/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d
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:
2026-01-29T08:09:00Z UTC
Last seen:
2026-01-29T08:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/80036ee2-f372-4a44-9280-5159cc4854bf
Behavior Graph:
Download SVG
%3 guuid=0bee1b91-1600-0000-ca6a-fbe2de0e0000 pid=3806 /usr/bin/sudo guuid=644bd592-1600-0000-ca6a-fbe2e50e0000 pid=3813 /tmp/sample.bin guuid=0bee1b91-1600-0000-ca6a-fbe2de0e0000 pid=3806->guuid=644bd592-1600-0000-ca6a-fbe2e50e0000 pid=3813 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2021d3c9-5f58-4118-92a2-b8327010d131
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1859650
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 09:40:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woukb4scaqldbey7x2muqquqwnbim2z4tdtfr7udsyoq6qqz5eoq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260129-lmvyasdw2b/
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/b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_e9aef030
Create hunting rule
Author:Elastic Security
Rule name:linux_protocol_doh
Create hunting rule
Author:@_lubiedo
Description:DNS-over-HTTPS yara rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf b3a8a0f242041630931fbe99484290b342866b3c98e658fe83961d0f4219e91d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3737802/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3718758/
  
URLhaus
https://urlhaus.abuse.ch/url/3737796/
  
URLhaus
https://urlhaus.abuse.ch/url/3718760/

Comments