MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8
SHA3-384 hash: ba5ff3fa8789ec96e94d708d70ed41d79eb17fb1abc2f20815a86801cbbd8a0d1a5cd94e7915a697b259a30ca9fc7908
SHA1 hash: 83b11da0ae85d900afc141086cf15385d713da7b
MD5 hash: fdca48649bb51678a3bef77090f17156
humanhash: network-tango-football-north
File name:armv5l
Download: download sample
Signature Mirai
Create hunting rule
File size:170'380 bytes
First seen:2025-12-26 12:11:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:6qu02rqIU3s2OzkSkEV4vlJpjNVIK/H4i4Gs2mHJvuf70LmQd:6qJjNTv4i4GsfHJGz0L7
TLSH T1ACF31A41BC505F62C6E523BBFB5E428D371553A8D2EF72078D226F243BCA95B0E76242
telfhash t1632101938b900adc23e0c384c1ee962b94f4719d230250699db61e5f9ea2dc1b51a832
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 5218eec0785aca9ca6681ef67b0dc06c409d56daabcc9e8231650d05c600cafa
File size (compressed) :57'752 bytes
File size (de-compressed) :170'380 bytes
Format:linux/arm
Packed file: 5218eec0785aca9ca6681ef67b0dc06c409d56daabcc9e8231650d05c600cafa

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
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
Link:
https://research.acce.ciphertechsolutions.com/results/895eb707-cd4f-4e88-8500-08983ed7503f/
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/694e7b9ea7163552ba051d53/reports/8b13d701-5cbf-45c9-98f0-1217964d6549/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-26T09:20:00Z UTC
Last seen:
2025-12-27T02:00:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1cc0dda2-4f8a-42e4-a666-a2e2721e74d2
Behavior Graph:
Download SVG
%3 guuid=ff63f7a0-1800-0000-3835-3333140a0000 pid=2580 /usr/bin/sudo guuid=2cfa97a2-1800-0000-3835-33331b0a0000 pid=2587 /tmp/sample.bin guuid=ff63f7a0-1800-0000-3835-3333140a0000 pid=2580->guuid=2cfa97a2-1800-0000-3835-33331b0a0000 pid=2587 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7dabbf62-6127-4e1d-b3ba-4722770074b1
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1839698
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839698 Sample: armv5l.elf Startdate: 26/12/2025 Architecture: LINUX Score: 48 14 54.217.10.153, 37676, 443 AMAZON-02US United States 2->14 16 Multi AV Scanner detection for submitted file 2->16 6 dash rm 2->6         started        8 dash cat 2->8         started        10 dash head 2->10         started        12 8 other processes 2->12 signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 12:12:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ww3idcamxwqifwq7wmd5o7eus6qwuj3goaeieo7cd4omoij3plma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251226-pc9v9axren/
Malware Config
C2 Extraction:
127.0.0.1
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/949f7151-f8d8-4646-85dd-a7a8b106e40a
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/b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_d94e1020
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 5218eec0785aca9ca6681ef67b0dc06c409d56daabcc9e8231650d05c600cafa

Mirai

elf b5b681880cbda082da1fb307d77c9497a16a27667008823be21f1cc7213b7ad8

(this sample)

  
Dropped by
SHA256 5218eec0785aca9ca6681ef67b0dc06c409d56daabcc9e8231650d05c600cafa
  
URLhaus
https://urlhaus.abuse.ch/url/3693009/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 ff7f877a976b6e63141b355eb1c82684

Comments