MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8cad988a2ec304d97b01cfc7bde3fd2d7182d6df39782ac3891053e453e4bfc. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8cad988a2ec304d97b01cfc7bde3fd2d7182d6df39782ac3891053e453e4bfc
SHA3-384 hash: 047b34bd811c866a9ab7944eb2111fcc06d375d8f926c982ce037f9bcaec6875763f69dd55e632d3f982965aa0ab7453
SHA1 hash: 45ee73b58f2223c4742f8a69a72e34308b514009
MD5 hash: 7c34c9441a1245312a839cdc4c6dd3a7
humanhash: bacon-mobile-sierra-hot
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:79'040 bytes
First seen:2025-12-25 01:00:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:INOCNw7AerIb8l2hBwlqb7DX9AJELW1Iy8cXckkIBTw:INpqRQ7DX9AJELvy1Xck1BT
TLSH T159731885BC819B26C6D4227BFA6F428C332663A8D2EF7203DD155F15778A82F0E7B541
telfhash t1a351eefacba00bdc57d69284808d601e57fd319f0b155497895dbf0fd6421c6b02e83b
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

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

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/694c8cba3f8fdbf8e95183b8/reports/c3573f11-fbf6-42af-b6bf-a3da1abfa58f/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/def8a479-fd4c-4b08-b629-62bd90338ee2
Behavior Graph:
Download SVG
%3 guuid=b2997f81-1a00-0000-f482-1d9b71090000 pid=2417 /usr/bin/sudo guuid=d9884983-1a00-0000-f482-1d9b79090000 pid=2425 /tmp/sample.bin guuid=b2997f81-1a00-0000-f482-1d9b71090000 pid=2417->guuid=d9884983-1a00-0000-f482-1d9b79090000 pid=2425 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6d0ac80-22a0-47aa-a1ee-c4306e5472b7
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1839129
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839129 Sample: arm5.elf Startdate: 25/12/2025 Architecture: LINUX Score: 52 22 187.148.221.125, 23, 43806 UninetSAdeCVMX Mexico 2->22 24 187.148.221.172, 23 UninetSAdeCVMX Mexico 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 arm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 arm5.elf 8->14         started        process6 16 arm5.elf 14->16         started        18 arm5.elf 14->18         started        20 arm5.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8cad988a2ec304d97b01cfc7bde3fd2d7182d6df39782ac3891053e453e4bfc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8cad988a2ec304d97b01cfc7bde3fd2d7182d6df39782ac3891053e453e4bfc/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-25 01:00:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdfntcfc5qye3f5qdt6hxxr72llrqlln6olyflbysect4rj6jp6a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251225-bc6lyawlbm/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/dd10aa23-1ccc-4308-9b1c-f3b1eb223870
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/b8cad988a2ec304d97b01cfc7bde3fd2d7182d6df39782ac3891053e453e4bfc

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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

Mirai

elf b8cad988a2ec304d97b01cfc7bde3fd2d7182d6df39782ac3891053e453e4bfc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739413/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739201/
  
URLhaus
https://urlhaus.abuse.ch/url/3739229/

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