MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d
SHA3-384 hash: a61b7c23a1ec35db051de8947d8cc30fd8b740de49e2e4edea2dee0c6c2f9bbdd9dd0ffd141f6b6d0e24f3c64be6a5ed
SHA1 hash: 2d06fe4b33e124ccaa9e1293468dfd063fa00291
MD5 hash: 72b6078baa2f059e93a0d1500c3b821f
humanhash: alpha-stream-stairway-winter
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:194'736 bytes
First seen:2025-08-02 20:59:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:T056TOP8E6UiDVQr/bCSFFgIEHw6bMcsgm7vni2Up33A:T0YjtyxFg9HzMUm7/itO
TLSH T17914961E6E228F7EF67CC73057B74A34975D23DA26E1D684E2ACC1141E2025E641FFA8
telfhash t154418f180d7817f0a3759c5d49aeff76d6a330df7a226c338e51e86aa769a424d10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Locks files
Sets a written file as executable
Kills processes
Runs as daemon
Sends data to a server
Connection attempt
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688e7c8732e61090868b44f7/reports/33099fb1-b1f6-4c75-8c65-85bd7a96e11c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
77
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fe72cb02-344c-4afe-80cc-b186f022dca4
Behavior Graph:
Download SVG
%3 guuid=aff72335-1a00-0000-d3a6-e5d9c20a0000 pid=2754 /usr/bin/sudo guuid=5b066a37-1a00-0000-d3a6-e5d9ca0a0000 pid=2762 /tmp/sample.bin guuid=aff72335-1a00-0000-d3a6-e5d9c20a0000 pid=2754->guuid=5b066a37-1a00-0000-d3a6-e5d9ca0a0000 pid=2762 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/25e93daf-56be-4815-95df-c9e1d5ef3208
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1749199
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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: 1749199 Sample: mips.elf Startdate: 02/08/2025 Architecture: LINUX Score: 100 37 152.53.209.147, 58936, 9999 NCRENUS United States 2->37 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 3 other IPs or domains 2->41 43 Found malware configuration 2->43 45 Antivirus detection for dropped file 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 3 other signatures 2->49 10 dash rm mips.elf 2->10         started        13 dash rm 2->13         started        signatures3 process4 signatures5 59 Sample tries to set files in /etc globally writable 10->59 61 Drops files in suspicious directories 10->61 63 Sample tries to persist itself using System V runlevels 10->63 15 mips.elf 10->15         started        17 mips.elf sh 10->17         started        process6 process7 19 mips.elf 15->19         started        23 sh cp 17->23         started        file8 33 /etc/init.d/sysd, POSIX 19->33 dropped 51 Sample tries to set files in /etc globally writable 19->51 53 Drops files in suspicious directories 19->53 55 Sample tries to persist itself using System V runlevels 19->55 25 mips.elf sh 19->25         started        27 mips.elf 19->27         started        57 Drops invisible ELF files 23->57 signatures9 process10 process11 29 sh cp 25->29         started        file12 35 /usr/bin/.sh, ELF 29->35 dropped 65 Drops invisible ELF files 29->65 67 Drops files in suspicious directories 29->67 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 21:01:22 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=holzonttgm5hh375r7x2easrk3fkjo5b4cygbf7adya3ywaemwgq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250802-ztk9bsdk9x/
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:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5d71fb26-58d1-425b-83bc-12965f665627
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/3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 3b97973673333a73effd8fefa2025156caa4bba1e0b06097e01e01bc5804658d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3595350/
  
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