MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fe787cf9908b0031c344d33d8808db07faa4a411aee1e9a2f6006275e2a1f4c. 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 7 File information Comments

SHA256 hash: 4fe787cf9908b0031c344d33d8808db07faa4a411aee1e9a2f6006275e2a1f4c
SHA3-384 hash: a3e7d9a174eef021d06835897665c7669157336527c1d85388905d1613b6ffe4ff4b35c118250e6527f97ee6356139a6
SHA1 hash: 12dac4937a92a43d5ac7f9ee2c66f6db9d12aac3
MD5 hash: 10fe86dc9bff41d895674c276abde6df
humanhash: seven-diet-pennsylvania-floor
File name:mipsel.urbotnetisass
Download: download sample
Signature Mirai
File size:371'076 bytes
First seen:2025-09-24 17:02:16 UTC
Last seen:2025-09-25 06:36:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:OVMJaLOyL7Da0yoovXFyEVICk2hvcdL8wEWyThVdRONPL5FUxpNnu4WotfKJQ:v0OG7py90dL85WSPaNPjQpBWHJQ
TLSH T12684E609BB600EFBE8AFCD374AED0B45258C654221A83FB93A74E914F54B54F0AD3974
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 :
2
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Creating a file in the %temp% subdirectories
Deletes a file
Changes the time when the file was created, accessed, or modified
Deleting a recently created file
Collects information on the network activity
Creating a file in the %temp% directory
Sends data to a server
Receives data from a server
Creates directories in a temporary directory
Connection attempt
Kills processes
Creating a file
Sets a written file as executable
Mounts file systems
Runs as daemon
Collects information on the CPU
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Deletes a system binary file
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm bash lolbin remote threat
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-24T16:21:00Z UTC
Last seen:
2025-09-24T16:21:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.gu HEUR:Backdoor.Linux.Mirai.gen
Status:
terminated
Behavior Graph:
%3 guuid=6e71e563-1900-0000-9aea-1adfbc090000 pid=2492 /usr/bin/sudo guuid=09b45f66-1900-0000-9aea-1adfc2090000 pid=2498 /tmp/sample.bin guuid=6e71e563-1900-0000-9aea-1adfbc090000 pid=2492->guuid=09b45f66-1900-0000-9aea-1adfc2090000 pid=2498 execve guuid=18b99367-1900-0000-9aea-1adfc8090000 pid=2504 /usr/bin/dash guuid=09b45f66-1900-0000-9aea-1adfc2090000 pid=2498->guuid=18b99367-1900-0000-9aea-1adfc8090000 pid=2504 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-24 17:04:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm credential_access defense_evasion discovery execution persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Reads system network configuration
Modifies Bash startup script
Reads process memory
Checks SCSI settings
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies rc script
Reads list of loaded kernel modules
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf 4fe787cf9908b0031c344d33d8808db07faa4a411aee1e9a2f6006275e2a1f4c

(this sample)

  
Delivery method
Distributed via web download

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