MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f77fb33f62f75a65255bf83f3d87b244f9b5fca8fcf71fd3df2c9410faf154fa. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments

SHA256 hash: f77fb33f62f75a65255bf83f3d87b244f9b5fca8fcf71fd3df2c9410faf154fa
SHA3-384 hash: 343ae60707a5cdfa6b900711add80e03899544e62b86774ab9f52b67c2f2a243f190a2cb57ee3211111fd062bc70f31a
SHA1 hash: 8fd7fbcfe7939491ec3014cdcef87da97e10579c
MD5 hash: 540b02e412a40882bae0f85be0eb5f64
humanhash: pennsylvania-william-three-spring
File name:agent_mipsle
Download: download sample
Signature Mirai
File size:138'592 bytes
First seen:2026-04-29 05:52:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dpMqKUSgbN6FeKZrCKThlM0uvLnxLkAxqBGoDnMx/AmHPLccHbtMhKJu4rC47:dpMFgbYdZrKvLVkXGWCAmvBHbKSrC4
TLSH T123D35C43AE905EEBC01FCE70866EC35722DE98DA92D1733B717C8D8C766D64609C3998
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 BlinkzSec
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
SK SK
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Launching a process
Sends data to a server
Receives data from a server
Manages services
Creating a file
Runs as daemon
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Creates or modifies files to set up autorun
Gathering data
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:
1
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
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=76b8cc7c-2100-0000-43b9-b69c7d0b0000 pid=2941 /usr/bin/sudo guuid=31d8497f-2100-0000-43b9-b69c830b0000 pid=2947 /tmp/sample.bin guuid=76b8cc7c-2100-0000-43b9-b69c7d0b0000 pid=2941->guuid=31d8497f-2100-0000-43b9-b69c830b0000 pid=2947 execve
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies systemd
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: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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 f77fb33f62f75a65255bf83f3d87b244f9b5fca8fcf71fd3df2c9410faf154fa

(this sample)

  
Delivery method
Distributed via web download

Comments