MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3940dd50459f1e8de7bb110523773440370ced69ce45c5c8dc72171cfea013d1. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash: 3940dd50459f1e8de7bb110523773440370ced69ce45c5c8dc72171cfea013d1
SHA3-384 hash: 4416a04d894aa8ff6acdba4967992af48731b874f789b2388b5702c38e74d4beebf1fe9c45e7e7dd47c86745a553a901
SHA1 hash: 4bd303ce93abe4af4787b30d6bb6ba821fe9abfa
MD5 hash: dc47e38fcba05e7beac383e20ac2a68e
humanhash: rugby-item-echo-echo
File name:data.arm5
Download: download sample
Signature Mirai
File size:570'648 bytes
First seen:2026-01-12 19:14:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:TQMWwOkyS0XFQAO85OUS1QCk/Z7EgpZ/m6C:tIkgQPUKyXF
TLSH T1E4C44A55F8809F62CAC42975F79D869C33174B79C3EB720699144B383BDB8AB0F3A641
telfhash t124f052a6ea6913ac83c59685512ea81a0edd389f33402094c62d679f9c83f88213da32
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc masquerade rust
Status:
terminated
Behavior Graph:
%3 guuid=bd03de2c-1900-0000-6e15-0e15790b0000 pid=2937 /usr/bin/sudo guuid=a761102f-1900-0000-6e15-0e15800b0000 pid=2944 /tmp/sample.bin guuid=bd03de2c-1900-0000-6e15-0e15790b0000 pid=2937->guuid=a761102f-1900-0000-6e15-0e15800b0000 pid=2944 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Signature
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849471 Sample: data.arm5.elf Startdate: 12/01/2026 Architecture: LINUX Score: 56 37 cyber-reborn.com 130.12.180.108, 25565, 44532 DATAHOPDatahop-SixDegreesGB Canada 2->37 10 data.arm5.elf 2->10         started        process3 process4 12 data.arm5.elf 10->12         started        process5 14 data.arm5.elf 12->14         started        file6 35 /etc/init.d/system_service, POSIX 14->35 dropped 41 Sample tries to set files in /etc globally writable 14->41 43 Drops files in suspicious directories 14->43 45 Sample tries to persist itself using System V runlevels 14->45 18 data.arm5.elf 14->18         started        20 data.arm5.elf sh 14->20         started        signatures7 process8 process9 22 data.arm5.elf sh 18->22         started        24 data.arm5.elf sh 18->24         started        26 data.arm5.elf 18->26         started        28 sh cp 20->28         started        process10 30 sh iptables 22->30         started        33 sh iptables 24->33         started        signatures11 39 Executes the "iptables" command to insert, remove and/or manipulate rules 30->39
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-12 19:15:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery persistence
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
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 3940dd50459f1e8de7bb110523773440370ced69ce45c5c8dc72171cfea013d1

(this sample)

  
Delivery method
Distributed via web download

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