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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2309314fa0052cf78b2a5f7fdf888f10788ea0ad4059de10c0cfdbac534dcc4. 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 13 File information Comments

SHA256 hash: b2309314fa0052cf78b2a5f7fdf888f10788ea0ad4059de10c0cfdbac534dcc4
SHA3-384 hash: 5fac5e63127b85a33462d3dfe61ef4892f19b69ec5b9dc1ca730815531584f196867991475f7e8f7693b7b80135487ce
SHA1 hash: 5af72027af0420c2201bc93572bcd4283f51e9fd
MD5 hash: d23c6107b46e651ea437f20ca616ff95
humanhash: illinois-two-seven-pennsylvania
File name:arm6
Download: download sample
Signature Mirai
File size:276'716 bytes
First seen:2026-09-27 00:32:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:+H0qSg15HJIwEI9wfn9dO4ufeSYY8o3dLD:kGIH6GyO42R8WdL
TLSH T1EB442955F880DF92C6D4267ABA5E428C33171B79C2DE7102CE245F3877EB89B0E3A546
telfhash t1eae0a33ea23c321453d78048c12bd424746f3c8c0a4022494e9e339f4e22f4036d0d72
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Manages services
Runs as daemon
Changes access rights for a written file
Opens a port
Receives data from a server
Changes the time when the file was created, accessed, or modified
Connection attempt
Creating a file
Creates directories
Mounts file systems
Sets a written file as executable
Sends data to a server
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
251
Number of processes launched:
22
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Firewall Changes
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-26T21:19:00Z UTC
Last seen:
2026-09-26T21:47:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f0c07d0e-1a00-0000-bc85-7717860c0000 pid=3206 /usr/bin/sudo guuid=aae0e010-1a00-0000-bc85-7717890c0000 pid=3209 /tmp/sample.bin guuid=f0c07d0e-1a00-0000-bc85-7717860c0000 pid=3206->guuid=aae0e010-1a00-0000-bc85-7717890c0000 pid=3209 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-27 00:33:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
Contacts a large (521) amount of remote hosts
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Packer_Dropper_Fileless_Armhf
Author:Serhii Kocherhan
Description:Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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:test_rule_vldslv
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
Rule name:virustotal
Author:Tracel

File information


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

Web download

Mirai

elf b2309314fa0052cf78b2a5f7fdf888f10788ea0ad4059de10c0cfdbac534dcc4

(this sample)

  
Delivery method
Distributed via web download

Comments