MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f
SHA3-384 hash: dd6e10e780e639b57c3159be90083889b8778b5acfc44471ae30dab70baa63c29ec2047174f3a6676138eb7cf003c427
SHA1 hash: 71a1379e1acd0f8221e6a4ec6249cbc51c80a500
MD5 hash: 4c65bc1c56d23e7c34314e253b257608
humanhash: cold-rugby-summer-vermont
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:66'428 bytes
First seen:2026-01-02 19:01:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:EymPtbERQp32Lh0iIG03A0e1TXivLWch3R3VqOmN6XL8BtcHorW2iuu+7R:cPxEkiIZQv1TXihhhlqeXwvDu+7R
TLSH T10A530845BC91DA16C6D463BBFA1E42CC332653E8E1EE7203DD21AF15778A82B0E7B541
telfhash t1741112d181505fe467e7c6898198b1192a7cb2a11f433d235b8fbf4f97666c1342342e
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 :
56
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.Mirai-10008934-0
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/6958160c2fb7bb52ca8531be/reports/6dc60ae1-1cc6-459e-81a3-2a90276fa311/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-02T20:15:00Z UTC
Last seen:
2026-01-02T23:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5197b955-de72-40e7-88f5-bae3780d4d6c
Behavior Graph:
Download SVG
%3 guuid=47850b5f-1900-0000-95e5-6b02cd080000 pid=2253 /usr/bin/sudo guuid=3b772961-1900-0000-95e5-6b02d5080000 pid=2261 /tmp/sample.bin guuid=47850b5f-1900-0000-95e5-6b02cd080000 pid=2253->guuid=3b772961-1900-0000-95e5-6b02d5080000 pid=2261 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17dad45e-0e9a-4e89-99f8-62a830db9499
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1843744
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843744 Sample: arm5.elf Startdate: 02/01/2026 Architecture: LINUX Score: 60 18 103.159.136.199, 23 TWIDC-AS-APTWIDCLimitedHK unknown 2->18 20 103.159.172.217, 23 TWIDC-AS-APTWIDCLimitedHK unknown 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 arm5.elf 2->8         started        signatures3 process4 process5 10 arm5.elf 8->10         started        process6 12 arm5.elf 10->12         started        14 arm5.elf 10->14         started        16 arm5.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-02 19:02:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6y3pqhusokoxfy73rgmgizx5jndoad4j3auskisgmsu7a6jlvjxq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260102-xpk2naxnbk/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/73ca6160-bfa7-4786-b806-b1d518487d06
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/f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f

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 f636f81e92729d72e3fb89986466fd4b46e00f89d82925224664a9f0792baa6f

(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/3739435/

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