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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f
SHA3-384 hash: 5926ebe1feb047e2f3b3154a8aaadd3745da4e3562906e02d7aa719d6b0eadf8004c92e67ec636026c8d8d48530fe06c
SHA1 hash: f149b3c13440fd7ad8751ab933533ee2fe4d9e26
MD5 hash: 3be8da7468f4b1368988d25e64b2a6bb
humanhash: carolina-sodium-seventeen-johnny
File name:b3astmode.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:22'468 bytes
First seen:2026-10-30 11:14:31 UTC
Last seen:2026-10-31 00:07:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:3D+rmepgK6/4C930yQjc4iNorn/aaYbPwCvZ+Yy6ghtDFibhymdGUop5hX:3DApgp4C930yton/a/bPHv8KghthMs3P
TLSH T128A2D0603BD2ED90C2B1543EFD7F86C92A7A17BCB0EA723536840A78955365120FC9B7
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
File size (compressed) :22'468 bytes
File size (de-compressed) :50'216 bytes
Format:linux/arm
Unpacked file: ff3b43f66762a8b39fe29e4a99079f6086a9963015140775aa3ac5fe427ec558

Intelligence

File Origin
# of uploads :
2
# of downloads :
90
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2f827f9e-522a-45c6-a8cb-e9abdb0818ff/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8274771-0
Create hunting rule

Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
21
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
37215,5501
Full report:
https://elfdigest.com/brief/a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f
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:
2020-11-05T00:12:00Z UTC
Last seen:
2026-10-31T22:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c423118b-72ed-4e51-980e-90830a05a3fe
Behavior Graph:
Download SVG
%3 guuid=ec722271-1900-0000-6008-d68adf090000 pid=2527 /usr/bin/sudo guuid=a497fc72-1900-0000-6008-d68ae6090000 pid=2534 /tmp/sample.bin guuid=ec722271-1900-0000-6008-d68adf090000 pid=2527->guuid=a497fc72-1900-0000-6008-d68ae6090000 pid=2534 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c58c0361-64d7-4b18-9a38-1a3c50f10a17
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 04:32:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukzyyymvlcqlbg5ihdqw7zlhzl6aarx7cvnvjhhhazr4vo7t6spq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/261030-ncqa6sysdv/
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/a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f

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:ELF_IoT_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf a2b38c619558a0b09ba838e16fe567cafc0046ff155b549ce70663cabbf3f49f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/835098/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/455768/
  
URLhaus
https://urlhaus.abuse.ch/url/965190/
  
URLhaus
https://urlhaus.abuse.ch/url/4047384/

Comments