MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4651620d09b486b7f227efd44d2ce23c085e48cdb233efe8733683ac06656377. 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 12 File information Comments

SHA256 hash: 4651620d09b486b7f227efd44d2ce23c085e48cdb233efe8733683ac06656377
SHA3-384 hash: 455a59201cb4f283ab6255445d44ecd0878df779f8532926c31f9beb356182f3f10a849387ea9592aedf907309276138
SHA1 hash: c5ca03c78d21e42584440b888e3d58aa92ad5b40
MD5 hash: 1c5be4a6a0ed0eff7286fc768fed992c
humanhash: white-fruit-golf-butter
File name:armv7l
Download: download sample
Signature Mirai
File size:2'405'968 bytes
First seen:2025-07-13 05:05:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:ecz3jfalkKM+dCWw6iMCLJcp1RwOwYotXAwDIlXrQUIzkQr4arzTISsdPXzh1PKT:lzC3psMCt37zsUroVdvGpJSvPsx
TLSH T1FEB56B56EC419A52C5E056BABB7ED18833173BB8D3EF31078D049B706B9789B0E3B542
telfhash t1b5c08cba9f83301aebc20dd08387b835392d31a7190118ffc18a3b879011f98ba8490b
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sends data to a server
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
Kills processes
Locks files
Runs as daemon
Collects information on the network activity
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 expand gcc lolbin rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
177
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=475e12a8-1900-0000-d3f8-8ab7b00c0000 pid=3248 /usr/bin/sudo guuid=2b61f5a9-1900-0000-d3f8-8ab7b50c0000 pid=3253 /tmp/sample.bin guuid=475e12a8-1900-0000-d3f8-8ab7b00c0000 pid=3248->guuid=2b61f5a9-1900-0000-d3f8-8ab7b50c0000 pid=3253 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735082 Sample: armv7l.elf Startdate: 13/07/2025 Architecture: LINUX Score: 76 46 87.121.84.210, 49884, 63648 SKATTV-ASBG Bulgaria 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Mirai 2->50 10 armv7l.elf 2->10         started        13 gnome-session-binary sh gsd-print-notifications 2->13         started        15 xfce4-panel wrapper-2.0 2->15         started        17 4 other processes 2->17 signatures3 process4 signatures5 58 Sample tries to set files in /etc globally writable 10->58 60 Drops files in suspicious directories 10->60 62 Sample tries to persist itself using System V runlevels 10->62 19 armv7l.elf 10->19         started        21 armv7l.elf sh 10->21         started        23 gsd-print-notifications 13->23         started        process6 process7 25 armv7l.elf 19->25         started        29 sh cp 21->29         started        31 gsd-print-notifications gsd-printer 23->31         started        file8 44 /etc/init.d/sysd, POSIX 25->44 dropped 64 Sample tries to set files in /etc globally writable 25->64 66 Drops files in suspicious directories 25->66 68 Sample tries to persist itself using System V runlevels 25->68 33 armv7l.elf sh 25->33         started        35 armv7l.elf 25->35         started        70 Drops invisible ELF files 29->70 signatures9 process10 signatures11 38 sh cp 33->38         started        52 Sample tries to kill multiple processes (SIGKILL) 35->52 process12 file13 42 /usr/bin/.sh, ELF 38->42 dropped 54 Drops invisible ELF files 38->54 56 Drops files in suspicious directories 38->56 signatures14
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-07-13 05:06:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:testlumma
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

Web download

Mirai

elf 4651620d09b486b7f227efd44d2ce23c085e48cdb233efe8733683ac06656377

(this sample)

  
Delivery method
Distributed via web download

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