MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28d45862fc30a959cf79a35ee4419d624f2f59dd9537cbdda6d2a37b43c62ad4. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28d45862fc30a959cf79a35ee4419d624f2f59dd9537cbdda6d2a37b43c62ad4
SHA3-384 hash: 7aca1e094745b19ee9c311dcf1e5e731e92fca93ed87d2b467abb39979bcf046c4609eb8c5f97894914db739fb1ace7c
SHA1 hash: f57efe9af752dc09eb7ceef9497d7e865b39c715
MD5 hash: 1ae993f25ff782d29bfba8bf9174be64
humanhash: wyoming-bakerloo-friend-sweet
File name:most-arm
Download: download sample
Signature Mirai
Create hunting rule
File size:137'792 bytes
First seen:2025-05-09 09:13:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HEb1Jh1J6lrYVLvdYF/A++9T4V0ZMmTizzLgCXzvGd75lN4wywfljpdmB/PaAzvS:HEb1LxROF/4T4wdGzzLgCOkqbYi
TLSH T1A8D31845F8514F23C6C212BBFB5E428D3B2A17E8D2EE72039D255F60379B95B0E3A542
telfhash t13e1121008f681d9d47c089dcb54f606d276879229b331c12893fdd1f82075e6b1288a2
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 :
101
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681dc8726c95617a27b635e0linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/681dc770bab2591d06553698/reports/3d06bab2-84e0-42ec-80eb-44bf8722b93e/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9b35949a-99a7-4b9a-bfad-d3faaecd3107
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1685209
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1685209 Sample: most-arm.elf Startdate: 09/05/2025 Architecture: LINUX Score: 84 24 net-killer.cameraddns.net. [malformed] 2->24 26 net-killer.ydns.eu. [malformed] 2->26 28 6 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 9 most-arm.elf 2->9         started        11 xfce4-session xfdesktop 2->11         started        13 xfce4-session xfdesktop 2->13         started        15 5 other processes 2->15 signatures3 38 Uses dynamic DNS services 24->38 40 Sends malformed DNS queries 26->40 process4 process5 17 most-arm.elf 9->17         started        process6 19 most-arm.elf 17->19         started        signatures7 42 Sample tries to kill multiple processes (SIGKILL) 19->42 22 most-arm.elf 19->22         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28d45862fc30a959cf79a35ee4419d624f2f59dd9537cbdda6d2a37b43c62ad4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28d45862fc30a959cf79a35ee4419d624f2f59dd9537cbdda6d2a37b43c62ad4/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-09 09:14:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdkfqyx4gcuvtt3zunpoiqm5mjhs6wo5su34xxng2krxwq6gflka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/250509-k7g2hatny5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/28d45862fc30a959cf79a35ee4419d624f2f59dd9537cbdda6d2a37b43c62ad4

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_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:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 28d45862fc30a959cf79a35ee4419d624f2f59dd9537cbdda6d2a37b43c62ad4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3501316/
  
Delivery method
Distributed via web download

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