MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58. 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 7 File information Comments
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SHA256 hash: 73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58
SHA3-384 hash: cca702b8c042e3f9a5eeb95a16bd62943ffcac059b0fdcfb9884e30a3237b42984014d2b617c864d257cc659d144e9bd
SHA1 hash: 328761802ce6c114d72564260f0ca67a237c6650
MD5 hash: 4ee097b394e9e15669ca624670368c95
humanhash: london-xray-violet-kilo
File name:arm5.go
Download: download sample
Signature Mirai
Create hunting rule
File size:128'212 bytes
First seen:2026-02-10 00:19:15 UTC
Last seen:2026-02-10 16:43:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Rh1aAgQgNxST1GnbpQZr8nZnP/DGuGzP2/542ppaDjwveaTpll59iOGOL0cIMUY0:Rh1aRQgIw3Ya5tpzvplfpdIPd
TLSH T104C33B92FD81D612C6C766B7FF1E428D372713B8D3EA72039E256F21228A45E0E77641
telfhash t1fb514f57ffd00eac67cd829442de742997fc30c92f1850a5aa2c2b8a9952dc1703d81b
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 :
2
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
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Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai rust
Link:
https://www.filescan.io/uploads/698a79c52ffccda0976bc2b6/reports/e299a508-06f1-4dcb-b12b-9d7edb924363/overview
Result
Gathering data
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e99ed9d-948e-4a3b-9951-912645db2330
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1866426
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Found malware configuration
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Terminates several processes with shell command 'killall'
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1866426 Sample: arm5.go.elf Startdate: 10/02/2026 Architecture: LINUX Score: 100 97 109.202.202.202, 80 INIT7CH Switzerland 2->97 99 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->99 101 2 other IPs or domains 2->101 119 Found malware configuration 2->119 121 Multi AV Scanner detection for submitted file 2->121 123 Yara detected Gafgyt 2->123 11 arm5.go.elf 2->11         started        14 udisksd dumpe2fs 2->14         started        16 udisksd dumpe2fs 2->16         started        18 159 other processes 2->18 signatures3 process4 signatures5 133 Sample reads /proc/mounts (often used for finding a writable filesystem) 11->133 20 arm5.go.elf 11->20         started        process6 file7 89 /var/spool/cron/root, ASCII 20->89 dropped 91 /var/spool/cron/crontabs/root, ASCII 20->91 dropped 93 /tmp/.taunt, POSIX 20->93 dropped 95 13 other files (12 malicious) 20->95 dropped 125 Sample tries to set files in /etc globally writable 20->125 127 Sample tries to persist itself using /etc/profile 20->127 129 Drops files in suspicious directories 20->129 131 4 other signatures 20->131 24 arm5.go.elf sh 20->24         started        26 arm5.go.elf sh 20->26         started        28 arm5.go.elf sh 20->28         started        30 21 other processes 20->30 signatures8 process9 process10 32 sh cp 24->32         started        36 sh crontab 26->36         started        38 sh 26->38         started        40 sh cp 28->40         started        42 sh cp 30->42         started        44 sh cp 30->44         started        46 sh rm 30->46         started        48 20 other processes 30->48 file11 79 /usr/bin/.update, ELF 32->79 dropped 103 Writes identical ELF files to multiple locations 32->103 105 Drops invisible ELF files 32->105 107 Drops files in suspicious directories 32->107 81 /var/spool/cron/crontabs/tmp.VSf7lb, ASCII 36->81 dropped 109 Sample tries to persist itself using cron 36->109 111 Executes the "crontab" command typically for achieving persistence 36->111 50 sh crontab 38->50         started        83 /boot/.update, ELF 40->83 dropped 85 /var/jbx/shared/.update, ELF 42->85 dropped 87 /var/log/.update, ELF 44->87 dropped 113 Sample deletes itself 46->113 115 Terminates several processes with shell command 'killall' 48->115 53 S99backup0 48->53         started        55 S99backup1 48->55         started        57 S99backup2 48->57         started        59 2 other processes 48->59 signatures12 process13 signatures14 117 Executes the "crontab" command typically for achieving persistence 50->117 61 S99backup0 .update 53->61         started        71 5 other processes 53->71 63 S99backup1 .update 55->63         started        73 5 other processes 55->73 65 S99backup2 .update 57->65         started        75 5 other processes 57->75 67 S99network .update 59->67         started        69 .monitor .update 59->69         started        77 10 other processes 59->77 process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-10 00:20:23 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=opcpnrp6kjstdpvkjgqfz4agvrhykq2s672b2kqffvwvgxljbnma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260210-amxw4sfx6g/
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/73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
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 73c4f6c5fe526531beaa49a05cf006ac4f854352f7f41d2a052d6d535d690b58

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3775216/
  
Delivery method
Distributed via web download

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