MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 138fbf53ed903dc0c23cdf86237acbf8fd2d897e4e7440beb7176ab483eb4974. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: 138fbf53ed903dc0c23cdf86237acbf8fd2d897e4e7440beb7176ab483eb4974
SHA3-384 hash: 9dc9dc10b21f1327da5c8e6eeff37f144529a4a823856d1848534b60c091a53d5a7425c6f62dcdc627a0343fd83ad2cf
SHA1 hash: d9221d6032ec5421b16d20c9ba4a6c92e62d1a35
MD5 hash: e3f5b359374545599605acac3de227eb
humanhash: virginia-sodium-twenty-comet
File name:arm7
Download: download sample
Signature Mirai
File size:75'616 bytes
First seen:2026-04-06 18:53:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:K9nq3zwiiI5npnFUNh0n2iooZnknrw6iYhf8XllzfisgAXU5wbZn:5jwFI5pWNh02o2nrw6iYhMVgAE5wbZn
TLSH T11273074AF9829F10D4D913BBFE0E018D33536798E3EE71129E116F11A7CAA5B0B7B452
telfhash t163c08ca10b582e4823d0000380dce2ab86a1ade83340b08a6b1ca7db40ee9607a87072
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=954fa65c-1d00-0000-ebf3-cbe1590b0000 pid=2905 /usr/bin/sudo guuid=28ae235f-1d00-0000-ebf3-cbe1610b0000 pid=2913 /tmp/sample.bin guuid=954fa65c-1d00-0000-ebf3-cbe1590b0000 pid=2905->guuid=28ae235f-1d00-0000-ebf3-cbe1610b0000 pid=2913 execve
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1894175 Sample: arm7.elf Startdate: 06/04/2026 Architecture: LINUX Score: 88 16 85.11.167.101, 17692, 39590 BG-SOFCOMPANY-ASBG Bulgaria 2->16 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 4 other IPs or domains 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 3 other signatures 2->28 7 arm7.elf 2->7         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 signatures5 30 Sample deletes itself 7->30 14 arm7.elf 7->14         started        process6
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-06 18:54:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Writes file to tmp directory
Changes its process name
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.

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_8299c877
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 138fbf53ed903dc0c23cdf86237acbf8fd2d897e4e7440beb7176ab483eb4974

(this sample)

  
Delivery method
Distributed via web download

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