MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa87d394aeef40501a545ec76bc1599c5e4959e9f4b69f1c0f455fbdfbb2b10a. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments

SHA256 hash: fa87d394aeef40501a545ec76bc1599c5e4959e9f4b69f1c0f455fbdfbb2b10a
SHA3-384 hash: a3ccb5733be594c5aaf2b1cca100fb516d76c9fa123772af2680dede518be0aad889e65a71edae6f774335a3b06075b1
SHA1 hash: 327f496d139e0943305c601db81edb96f5335727
MD5 hash: 6f1c64d723539fd67bc63aa6c6469094
humanhash: johnny-red-iowa-harry
File name:arm7
Download: download sample
Signature Mirai
File size:216'828 bytes
First seen:2026-08-24 20:30:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:sprhAZI1tG8zEYyPJkMfFDPgaPhA+1CLhZ6pEssMOgh5oz+bSpM/9L5:qhAZI1tG8zEYyPJkMNDPgaPhA+1PEss+
TLSH T1FF243B52AAD24A13C5D3177AFBDF41063323A65693CB7302F92CABB43F8625A4E73541
telfhash t177311f3117359612aeb0da589ce953a7152e82262285ef73de25c5dc540a0abe633c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Collects information on the RAM
Sets a written file as executable
Sends data to a server
Creates directories in a temporary directory
Runs as daemon
Kills processes
Creating a file in the %temp% subdirectories
Connection attempt
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
Receives data from a server
Collects information on the OS
Unloads the kernel module
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-24T18:23:00Z UTC
Last seen:
2026-08-25T01:49:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=d3d76bf9-1600-0000-c979-80e21c0c0000 pid=3100 /usr/bin/sudo guuid=6125f2fa-1600-0000-c979-80e2220c0000 pid=3106 /tmp/sample.bin guuid=d3d76bf9-1600-0000-c979-80e21c0c0000 pid=3100->guuid=6125f2fa-1600-0000-c979-80e2220c0000 pid=3106 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-24 20:31:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Reads list of loaded kernel modules
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
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: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:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Rootkit_Generic_61229bdf
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 fa87d394aeef40501a545ec76bc1599c5e4959e9f4b69f1c0f455fbdfbb2b10a

(this sample)

  
Delivery method
Distributed via web download

Comments