MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b. 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: b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b
SHA3-384 hash: f1c0da9794c90c15526e04f43534e9202f727d4a5b73dc202aea358dd56f938c7377a451507a593f188f3b25648c7332
SHA1 hash: 535af2ec6f30afa042bfec7247d1b45532f8051e
MD5 hash: 98a91242718b7882e32c218cc6bbb90f
humanhash: eleven-robert-lion-spring
File name:putita.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:132'376 bytes
First seen:2026-08-19 03:00:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:4kRviSMOqWe9e7uXFS29nXVVyQeRrRrh+p2i3VW:vqSH8e7oLnuQe9RrNMW
TLSH T17CD3127DC77B0B13E3C718750B909E4DF978BB0B6616F1C4882A4E149A7E06B4D29B62
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :132'376 bytes
File size (de-compressed) :271'168 bytes
Format:linux/mips
Unpacked file: be0fca2c15a0b39e0c9093c349b5311312147b409e1f39f09911c732dbcaa8b3

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c39c14fe-197c-4470-9a60-eb15a88b1e5c/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Creating a file
Runs as daemon
Changes access rights for a written file
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Connection attempt
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6a851c67f7141c21705e4a47/reports/0b2076ff-e080-4187-9109-515141cdc7af/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
17
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b
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/9fe433b2-01a2-449e-b2d0-f49d48e4d3f5
Behavior Graph:
Download SVG
%3 guuid=d04854b7-1c00-0000-0584-ad29f90a0000 pid=2809 /usr/bin/sudo guuid=7af371ba-1c00-0000-0584-ad29000b0000 pid=2816 /tmp/sample.bin guuid=d04854b7-1c00-0000-0584-ad29f90a0000 pid=2809->guuid=7af371ba-1c00-0000-0584-ad29000b0000 pid=2816 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8718194e-b268-49fd-b8b5-0348384e3952
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1960131
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960131 Sample: putita.mips.elf Startdate: 19/08/2026 Architecture: LINUX Score: 96 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Mirai 2->55 57 Sample is packed with UPX 2->57 9 putita.mips.elf 2->9         started        signatures3 process4 file5 41 /usr/lib/kworker-helper, ELF 9->41 dropped 43 /root/.bashrc, ASCII 9->43 dropped 45 /etc/systemd/system/kworker-helper.service, ASCII 9->45 dropped 47 3 other malicious files 9->47 dropped 65 Sample tries to set files in /etc globally writable 9->65 67 Sample tries to persist itself using /etc/profile 9->67 69 Drops files in suspicious directories 9->69 71 3 other signatures 9->71 13 putita.mips.elf sh 9->13         started        15 putita.mips.elf sh 9->15         started        17 putita.mips.elf chattr 9->17         started        20 6 other processes 9->20 signatures6 process7 signatures8 22 sh crontab 13->22         started        26 sh 13->26         started        28 sh crontab 15->28         started        51 Protects files from modification 17->51 30 putita.mips.elf 20->30         started        32 putita.mips.elf 20->32         started        34 putita.mips.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.2pRCIz, ASCII 22->39 dropped 61 Sample tries to persist itself using cron 22->61 63 Executes the "crontab" command typically for achieving persistence 22->63 36 sh crontab 26->36         started        signatures11 process12 signatures13 59 Executes the "crontab" command typically for achieving persistence 36->59
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whlz3xn5bzynqtypfwnjurlv44rbajaiytyijvb7mceplhhid6nq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260819-dhwd9sxvhs/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Bash startup script
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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/b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b

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_arm_mips_ko_so
Create hunting rule
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf b1d79dddbd0e70d84f0f2d9a9a4575e722102408c4f084d43f6088f59ce81f9b

(this sample)

Mirai

elf be0fca2c15a0b39e0c9093c349b5311312147b409e1f39f09911c732dbcaa8b3

  
URLhaus
https://urlhaus.abuse.ch/url/3892137/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 be0fca2c15a0b39e0c9093c349b5311312147b409e1f39f09911c732dbcaa8b3
  
Dropping
MD5 01b53d8ab64781c3b0af9cd2fb51abe6
  
URLhaus
https://urlhaus.abuse.ch/url/3892123/
  
URLhaus
https://urlhaus.abuse.ch/url/3885290/

Comments