MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23959b3b94aebe5d94470ee87f02dfb1911e69b3dec42e97af50d6a039449554. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 23959b3b94aebe5d94470ee87f02dfb1911e69b3dec42e97af50d6a039449554
SHA3-384 hash: dcfb25b8275420846cb329b16c8027f45b8bdeda97859bf8d01a12876b98d4fc8649b28aaaa9d8ad346481efab3b4620
SHA1 hash: 1473f041377fd4c63f27241936d64fe5e7e443bb
MD5 hash: 363cb40d91a28c4a7c87cabf7df3d71a
humanhash: south-chicken-winner-double
File name:putita.mips
Download: download sample
Signature Mirai
File size:99'060 bytes
First seen:2026-08-25 14:06:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:+P2u20JqWPb1rEmstIg/Qc0xZNTs3aK9V1077idoeQszQngmN9Rrhqz5I43vBzA7:gRqWPskL1o9VyHDezQgIAz5I43v13o
TLSH T12BA30218A797C751FE42DDBE399824A622C385D1A6CDB528B3D7F1CF534E820C49ABD0
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :99'060 bytes
File size (de-compressed) :206'300 bytes
Format:linux/mips
Unpacked file: c550820dbd3f8729961030a98331744b1732437f018800fb89950d3be908c329

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Changes the time when the file was created, accessed, or modified
Connection attempt
Runs as daemon
Changes access rights for a written file
Creating a file
Creates or modifies symbolic links
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
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
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-25T12:18:00Z UTC
Last seen:
2026-08-25T12:37:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=a0e6eac6-1900-0000-b3d6-d4b40f0b0000 pid=2831 /usr/bin/sudo guuid=903895c9-1900-0000-b3d6-d4b4160b0000 pid=2838 /tmp/sample.bin guuid=a0e6eac6-1900-0000-b3d6-d4b40f0b0000 pid=2831->guuid=903895c9-1900-0000-b3d6-d4b4160b0000 pid=2838 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1963380 Sample: putita.mips.elf Startdate: 25/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 36078, 36080, 36082 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Multi AV Scanner detection for submitted file 2->53 55 Sample is packed with UPX 2->55 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 63 Sample tries to set files in /etc globally writable 9->63 65 Sample tries to persist itself using /etc/profile 9->65 67 Drops files in suspicious directories 9->67 69 3 other signatures 9->69 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.ZHOXww, ASCII 22->39 dropped 59 Sample tries to persist itself using cron 22->59 61 Executes the "crontab" command typically for achieving persistence 22->61 36 sh crontab 26->36         started        signatures11 process12 signatures13 57 Executes the "crontab" command typically for achieving persistence 36->57
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-25 14:07:39 UTC
File Type:
ELF32 Big (SO)
AV detection:
9 of 31 (29.03%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
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.

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
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 23959b3b94aebe5d94470ee87f02dfb1911e69b3dec42e97af50d6a039449554

(this sample)

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