MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e37f3a3fd6f0baac3b548e25172f2ce4ff8eb9e85ed59f6363254d71bc873da8. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: e37f3a3fd6f0baac3b548e25172f2ce4ff8eb9e85ed59f6363254d71bc873da8
SHA3-384 hash: 211cce0e315ba246ba091d296759d09880fbb0c62b772ce6478761a7f1b2d14dc696952ce2c89a857d5e460859f70819
SHA1 hash: 034f98dab299c1196837004211bd1aa375d70fdb
MD5 hash: c963de8a729a1557d9559c623518f13a
humanhash: oven-don-grey-steak
File name:nx686
Download: download sample
Signature Mirai
File size:161'072 bytes
First seen:2026-04-08 23:12:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:BQ7ZRH3nG9EpSOG8Cwhp0RgQVNyDsmdVv1b:BQ7ZRH3nG96zZuFAVv1
TLSH T1B6F33A41BB43CAF3D40304F051A7A73E8E31FC2A4437D5A9EB68BEA5DA175C1A216778
telfhash t1387119f56ee909e8b7d08401c28e2b31ed5ce73f251036a347b31a692767b41517bc39
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Mounts file systems
Sets a written file as executable
Runs as daemon
Manages services
Collects information on the OS
Creating a file
Launching a process
Opens a port
Sends data to a server
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gcc lolbin remote threat unknown
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
131
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-08T21:20:00Z UTC
Last seen:
2026-04-08T21:48:00Z UTC
Hits:
~10
Threat name:
Linux.Backdoor.Bushido
Status:
Malicious
First seen:
2026-04-08 23:13:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery exection execution linux persistence privilege_escalation
Behaviour
System Network Configuration Discovery
Writes file to shm directory
Writes file to tmp directory
Reads runtime system information
Changes its process name
Reads CPU attributes
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
Modifies Watchdog functionality
Modifies hosts file
Modifies the dynamic linker configuration file
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_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
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 e37f3a3fd6f0baac3b548e25172f2ce4ff8eb9e85ed59f6363254d71bc873da8

(this sample)

  
Delivery method
Distributed via web download

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