MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9. 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 5 File information Comments
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SHA256 hash: 3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9
SHA3-384 hash: 9a34faddecab015493c06cb16576e479bb2a9ccdf82a6267133a08df03ad9a2eb367f682ba752bd80771b4162f29e312
SHA1 hash: 2c3c66b0425bbb613c7e3223de8c40bc3aaacd25
MD5 hash: f55257a4dc6281de82cbce52adbc1dbe
humanhash: fifteen-thirteen-speaker-neptune
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:207'720 bytes
First seen:2025-07-13 00:47:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:LRDxLsLv+vhfq67vl0TB3Gpekt+4RRkp4gVFZl:LR+v+vs6LaTg00BRR7gVP
TLSH T16714B60AAF510EFBD8AFDE3706E90B0235CC651722A93B357674C524F54A94B49E3CB8
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68730254c9eb97473768a57alinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Runs as daemon
Launching a process
Writes files to system directory
Substitutes an application name
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
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
Full report:
https://elfdigest.com/brief/3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d6feea49-0c69-4f47-beaa-2193532673c3
Behavior Graph:
Download SVG
%3 guuid=52b9f87e-1a00-0000-1a44-43d41c0b0000 pid=2844 /usr/bin/sudo guuid=cd6a8581-1a00-0000-1a44-43d4220b0000 pid=2850 /tmp/sample.bin guuid=52b9f87e-1a00-0000-1a44-43d41c0b0000 pid=2844->guuid=cd6a8581-1a00-0000-1a44-43d4220b0000 pid=2850 execve guuid=67f59282-1a00-0000-1a44-43d4270b0000 pid=2855 /usr/bin/dash guuid=cd6a8581-1a00-0000-1a44-43d4220b0000 pid=2850->guuid=67f59282-1a00-0000-1a44-43d4270b0000 pid=2855 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a7fa5611-f222-4eb6-8d89-543b89a8304e
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1735013
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found malware configuration
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735013 Sample: mipsel.elf Startdate: 13/07/2025 Architecture: LINUX Score: 88 39 87.121.84.210, 33294, 33296, 33300 SKATTV-ASBG Bulgaria 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 3 other IPs or domains 2->43 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 mipsel.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 65 Sample tries to set files in /etc globally writable 10->65 67 Drops files in suspicious directories 10->67 69 Sample tries to persist itself using System V runlevels 10->69 17 mipsel.elf 10->17         started        19 mipsel.elf sh 10->19         started        process6 process7 21 mipsel.elf 17->21         started        25 sh cp 19->25         started        file8 35 /etc/init.d/sysd, POSIX 21->35 dropped 57 Sample tries to set files in /etc globally writable 21->57 59 Drops files in suspicious directories 21->59 61 Sample tries to persist itself using System V runlevels 21->61 27 mipsel.elf sh 21->27         started        29 mipsel.elf 21->29         started        63 Drops invisible ELF files 25->63 signatures9 process10 process11 31 sh cp 27->31         started        file12 37 /usr/bin/.sh, ELF 31->37 dropped 45 Drops invisible ELF files 31->45 47 Drops files in suspicious directories 31->47 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-13 00:48:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h62yrdfbo2qlukhh6x2yo4ckvtxukrkm6mzvfygc6nq6a6otpp4q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250713-a5vvgaxky8/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9b24cd19-4971-49e7-8252-ee125c071fca
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
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 3fb5888ca176a0ba28e7f5f587704aacef45454cf33352e0c2f361e079d37bf9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581051/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments