MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f
SHA3-384 hash: cc0a7efc60c27a5b7e6fda6fad91175e4a5de40b34bffd90542b5f65c7bb5fc9c957a59907f36bdbb77c65b15e02378a
SHA1 hash: ec72cc1353c2630f2fd21c4a098b42e05401fb9b
MD5 hash: 3464dcb6c1cc9c31a291417325313e15
humanhash: video-beer-ten-jersey
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:166'756 bytes
First seen:2025-09-18 23:13:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:fkDKY8EY2Umg3AbB4XIX4krQinFHOxWBl4EtnF:s8F4X4kkinFBBl4EtnF
TLSH T12BF3E848FD549B6AC7E272FBFB4C03CD373A0B58E3EA721689311B6137CAA655936011
telfhash t10fe02b27ab216f9c0bd740bc514fb06ee99c746b177332128a1e701f6991d40a83540b
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 :
60
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin remote
Link:
https://www.filescan.io/uploads/68cc92b4390649f7a5f327b9/reports/6ffc4342-bda8-42a1-a262-37ad92b68eb8/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-18T20:38:00Z UTC
Last seen:
2025-09-18T20:38:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.hj HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9679d86a-8bff-4c4f-bfc8-3c55c1989781
Behavior Graph:
Download SVG
%3 guuid=d558e562-1800-0000-7583-59e95e0e0000 pid=3678 /usr/bin/sudo guuid=cfbe5765-1800-0000-7583-59e9650e0000 pid=3685 /tmp/sample.bin guuid=d558e562-1800-0000-7583-59e95e0e0000 pid=3678->guuid=cfbe5765-1800-0000-7583-59e9650e0000 pid=3685 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ddda031f-15e8-4c5a-8189-f28007830a22
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1780424
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sample deletes itself
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780424 Sample: arm4.elf Startdate: 19/09/2025 Architecture: LINUX Score: 80 25 bot.federalagent.xyz. [malformed] 2->25 27 bot.federalagent.xyz 2->27 29 3 other IPs or domains 2->29 31 Suricata IDS alerts for network traffic 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Gafgyt 2->35 37 Connects to many ports of the same IP (likely port scanning) 2->37 8 arm4.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 39 Sends malformed DNS queries 25->39 41 Performs DNS queries to domains with low reputation 27->41 process4 signatures5 43 Sample deletes itself 8->43 13 arm4.elf 8->13         started        15 arm4.elf 8->15         started        17 arm4.elf 8->17         started        process6 process7 19 arm4.elf 13->19         started        21 arm4.elf 13->21         started        23 arm4.elf 13->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f/
Verdict:
Malicious
Threat:
Family.HAILBOT
Link:
https://tip.neiki.dev/file/2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-18 22:42:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmufarjwnoldgbnnthfogrugzm2jpv6sb6apobgrvum6fw6bvnpq._file
Result
Malware family:
hailbot
Create hunting rule
Score:
  10/10
Tags:
family:hailbot
Link:
https://tria.ge/reports/250918-28x8jss1hv/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a7771e40-e20b-4da3-a37a-2281c7437b80
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/2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

sh 641850e1dc2ba8af693deb056cabc0cc0194306ef5cfad0ded88309ded2a9b06

Mirai

elf 2b285045366b963305ad99cae34686cb3497d7d20f80f704d1ad19e2dbc1ab5f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3626658/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3626671/
  
URLhaus
https://urlhaus.abuse.ch/url/3626676/
  
Dropped by
SHA256 641850e1dc2ba8af693deb056cabc0cc0194306ef5cfad0ded88309ded2a9b06
  
Dropped by
MD5 a2d9050ed2519cef991cccbe2a72aae4
  
URLhaus
https://urlhaus.abuse.ch/url/3626643/
  
URLhaus
https://urlhaus.abuse.ch/url/3626642/
  
URLhaus
https://urlhaus.abuse.ch/url/3626644/
  
URLhaus
https://urlhaus.abuse.ch/url/3626652/
  
URLhaus
https://urlhaus.abuse.ch/url/3626651/
  
URLhaus
https://urlhaus.abuse.ch/url/3626650/
  
URLhaus
https://urlhaus.abuse.ch/url/3626659/
  
URLhaus
https://urlhaus.abuse.ch/url/3626662/
  
URLhaus
https://urlhaus.abuse.ch/url/3626668/
  
URLhaus
https://urlhaus.abuse.ch/url/3626675/
  
URLhaus
https://urlhaus.abuse.ch/url/3626681/
  
URLhaus
https://urlhaus.abuse.ch/url/3626704/
  
Dropped by
SHA256 512465c3151503487797d05fba8d2f177b779ebcfea89f1be04adda843d45617
  
Dropped by
MD5 02a050ff6365e6b86f8f1d65607e8405

Comments