MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88. 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 3 File information Comments

SHA256 hash: 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88
SHA3-384 hash: 78fbf9bd49654341375eeacc7d03aa0e695c013cad9703a10530a0470b8bca5306f8ddf0050244ac5a2c34338e57421f
SHA1 hash: c7a8785b441dc8d885e07b81fe5cb57c7a2f7456
MD5 hash: 64bce807e9c9b968290695357fea3835
humanhash: fillet-high-east-mountain
File name:morte.arm7
Download: download sample
Signature Mirai
File size:68'816 bytes
First seen:2025-07-08 16:47:15 UTC
Last seen:2025-07-09 08:17:03 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:5vTngKxuyFr2NwnGiCoc+rUBP22ag9o7xdLH3CGqX8MgwWswEO:5DN8enGiHrUB22aBLHyd8MeEO
TLSH T1DE630262A4E7CD50C1F5393AD9300B8CDB580EB4C8EFD8C25BB84BAC1C4B5D257EA582
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 UPX
File size (compressed) :68'816 bytes
File size (de-compressed) :184'024 bytes
Format:linux/arm
Unpacked file: 6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b

Intelligence


File Origin
# of uploads :
3
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
Sets a written file as executable
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Status:
terminated
Behavior Graph:
%3 guuid=87571675-1a00-0000-30f6-1fa9040a0000 pid=2564 /usr/bin/sudo guuid=26f3d576-1a00-0000-30f6-1fa90b0a0000 pid=2571 /tmp/sample.bin guuid=87571675-1a00-0000-30f6-1fa9040a0000 pid=2564->guuid=26f3d576-1a00-0000-30f6-1fa90b0a0000 pid=2571 execve
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Deletes system log files
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731200 Sample: morte.arm7.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 40 izumisv1.cc 196.251.66.49, 12121, 51698 ASDETUKhttpwwwheficedcomGB Seychelles 2->40 42 daisy.ubuntu.com 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Mirai 2->46 48 Yara detected Xmrig cryptocurrency miner 2->48 50 Sample is packed with UPX 2->50 10 morte.arm7.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 process4 signatures5 60 Found strings related to Crypto-Mining 10->60 15 morte.arm7.elf 10->15         started        17 morte.arm7.elf 10->17         started        process6 process7 19 morte.arm7.elf 15->19         started        file8 36 /etc/init.d/sysd, POSIX 19->36 dropped 52 Sample tries to set files in /etc globally writable 19->52 54 Drops files in suspicious directories 19->54 56 Sample tries to persist itself using System V runlevels 19->56 23 morte.arm7.elf sh 19->23         started        25 morte.arm7.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        58 Sample deletes itself 25->58 32 morte.arm7.elf 25->32         started        34 morte.arm7.elf 25->34         started        process12 file13 38 /usr/bin/.sh, ELF 28->38 dropped 62 Drops invisible ELF files 28->62 64 Drops files in suspicious directories 28->64 66 Manipulation of devices in /dev 32->66 68 Deletes system log files 32->68 signatures14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-08 16:47:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery execution persistence upx
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88

(this sample)

  
Delivery method
Distributed via web download

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