MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57cfad55da158f24d2fe23e1c1f5df322585c614a5be0aa960070caebf0f8f03. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57cfad55da158f24d2fe23e1c1f5df322585c614a5be0aa960070caebf0f8f03
SHA3-384 hash: 056c9ade2ee23c6d234112f638ec9c6de66308029e1271286523ebb9d09220ee2a8fdcad03c3eaed71583c707707020b
SHA1 hash: 8014475fff2a5354755f2345bc239c657d1f32dd
MD5 hash: 1db59f087eb1834498effe6b4c7073d9
humanhash: alpha-earth-skylark-wolfram
File name:zerarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:87'832 bytes
First seen:2026-05-28 11:59:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:hYn57VnGRAQKbkLewbp6qhEFK4idPwp/CsLmrxlmhvABeCptO2lmdiJsKsF9:CVGRAQKACwbp62EFKtdwhCvxlmhvABex
TLSH T1728309C9BC858B10D1D526BAFE0E218D33538B78E3FA7113DE145B2E638AC5B0A77615
telfhash t1b6f0dc62884018ddd7c4c70082cd63109d6d788a7a7621153c2bd64f48334c0252ae1a
Magika elf
Reporter BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.9806.6374.18661.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Opens a port
Receives data from a server
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-28T20:59:00Z UTC
Last seen:
2026-05-30T02:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/57cfad55da158f24d2fe23e1c1f5df322585c614a5be0aa960070caebf0f8f03/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bbb60d71-2ad3-487e-ab74-996d96860a2c
Behavior Graph:
Download SVG
%3 guuid=04225561-1a00-0000-a6b4-c7ea200b0000 pid=2848 /usr/bin/sudo guuid=0e8dc163-1a00-0000-a6b4-c7ea240b0000 pid=2852 /tmp/sample.bin guuid=04225561-1a00-0000-a6b4-c7ea200b0000 pid=2848->guuid=0e8dc163-1a00-0000-a6b4-c7ea240b0000 pid=2852 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65554e8e-9b91-454c-b43d-6f9715d82057
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57cfad55da158f24d2fe23e1c1f5df322585c614a5be0aa960070caebf0f8f03
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57cfad55da158f24d2fe23e1c1f5df322585c614a5be0aa960070caebf0f8f03/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-28 11:56:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7h22vo2cwhsjux6epq4d5o7gisylrquuw7avklaa4gk5pypr4bq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/260528-n54z2aet7q/
Behaviour
Changes its process name
Renames itself
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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 57cfad55da158f24d2fe23e1c1f5df322585c614a5be0aa960070caebf0f8f03

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3854624/
  
Delivery method
Distributed via web download

Comments