MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de
SHA3-384 hash: 43a99dd957cca4f3515650b5dcd8c5ded94b0e8139993c4166896298ec3b633773496146285ddf769defe38e50e0c941
SHA1 hash: 4df1ce328599f603dff6cf32039ea6ac717dca8c
MD5 hash: 0d9992e426a9b621a9c61a2ea7cf6121
humanhash: island-michigan-massachusetts-hydrogen
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:90'916 bytes
First seen:2026-08-19 02:54:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:s4HT1ZoKt+yJRwNOz+MRaA9KBJMCg2yjiTyVkEWOqm4iJ9FSnnouy8DMr:s4zFt1cAwjMCg2CeyCEZqm1onoutDMr
TLSH T139930237DC590729C18C647BB4FEFD05A00DD72DCA8146DD26AC74B68CD2BA8248B69E
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :90'916 bytes
File size (de-compressed) :226'872 bytes
Format:linux/i386
Unpacked file: 0cc846cdb991fd046389d45535850c62ee6e95acd9d2e361b93dec24d01fbdbf

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ef0d22d7-d11f-46ba-8123-3747edcf74e2/
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:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
19
Number of processes launched:
14
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de
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/b43f0f5b-fbf8-42c7-a28f-644fe9b92a06
Behavior Graph:
Download SVG
%3 guuid=adcd13a3-1a00-0000-8583-1584d4080000 pid=2260 /usr/bin/sudo guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269 /tmp/sample.bin delete-file net write-config write-file guuid=adcd13a3-1a00-0000-8583-1584d4080000 pid=2260->guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=86c069a8-1a00-0000-8583-1584df080000 pid=2271 /usr/bin/dash guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=86c069a8-1a00-0000-8583-1584df080000 pid=2271 execve guuid=ffcf2aa9-1a00-0000-8583-1584e0080000 pid=2272 /usr/bin/dash guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=ffcf2aa9-1a00-0000-8583-1584e0080000 pid=2272 execve guuid=54d4bbaa-1a00-0000-8583-1584e5080000 pid=2277 /usr/bin/chattr zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=54d4bbaa-1a00-0000-8583-1584e5080000 pid=2277 execve guuid=3c16caaa-1a00-0000-8583-1584e6080000 pid=2278 /usr/bin/chattr zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=3c16caaa-1a00-0000-8583-1584e6080000 pid=2278 execve guuid=7d44d0aa-1a00-0000-8583-1584e7080000 pid=2279 /usr/bin/chattr zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=7d44d0aa-1a00-0000-8583-1584e7080000 pid=2279 execve guuid=056cd5aa-1a00-0000-8583-1584e8080000 pid=2280 /usr/bin/busybox zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=056cd5aa-1a00-0000-8583-1584e8080000 pid=2280 execve guuid=fdeedaaa-1a00-0000-8583-1584e9080000 pid=2281 /usr/bin/busybox zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=fdeedaaa-1a00-0000-8583-1584e9080000 pid=2281 execve guuid=fcdedeaa-1a00-0000-8583-1584ea080000 pid=2282 /usr/bin/busybox zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=fcdedeaa-1a00-0000-8583-1584ea080000 pid=2282 execve guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283 /tmp/sample.bin net send-data zombie guuid=58b879a6-1a00-0000-8583-1584dd080000 pid=2269->guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283 clone guuid=80559ea9-1a00-0000-8583-1584e1080000 pid=2273 /usr/bin/dash guuid=ffcf2aa9-1a00-0000-8583-1584e0080000 pid=2272->guuid=80559ea9-1a00-0000-8583-1584e1080000 pid=2273 clone guuid=0b9cada9-1a00-0000-8583-1584e2080000 pid=2274 /usr/bin/dash guuid=ffcf2aa9-1a00-0000-8583-1584e0080000 pid=2272->guuid=0b9cada9-1a00-0000-8583-1584e2080000 pid=2274 clone guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283->706d8119-5804-563f-93fb-1ad04086f3d8 send: 87B guuid=990da3ab-1a00-0000-8583-1584ed080000 pid=2285 /tmp/sample.bin guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283->guuid=990da3ab-1a00-0000-8583-1584ed080000 pid=2285 clone guuid=1beaaaab-1a00-0000-8583-1584ee080000 pid=2286 /tmp/sample.bin guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283->guuid=1beaaaab-1a00-0000-8583-1584ee080000 pid=2286 clone guuid=d5fcb7ab-1a00-0000-8583-1584ef080000 pid=2287 /tmp/sample.bin guuid=6899e7aa-1a00-0000-8583-1584eb080000 pid=2283->guuid=d5fcb7ab-1a00-0000-8583-1584ef080000 pid=2287 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c0356de2-0166-459d-a8fc-566bba24745a
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1960137
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960137 Sample: putita.x86.elf Startdate: 19/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 666 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.x86.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.x86.elf sh 9->13         started        15 putita.x86.elf sh 9->15         started        17 putita.x86.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.x86.elf 20->30         started        32 putita.x86.elf 20->32         started        34 putita.x86.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.Ref07p, 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u3zjooo2t7ebavrm5xy4hfqex2phvkcpzins26kjk7hf72fiohpa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260819-dev94avhle/
Behaviour
Reads runtime system information
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:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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 a6f29739da9fc810562cedf1c39604be9e7aa84fca1b2d794957ce5fe8a871de

(this sample)

Mirai

elf 0cc846cdb991fd046389d45535850c62ee6e95acd9d2e361b93dec24d01fbdbf

  
URLhaus
https://urlhaus.abuse.ch/url/3892146/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0cc846cdb991fd046389d45535850c62ee6e95acd9d2e361b93dec24d01fbdbf
  
Dropping
MD5 fb8ee2909d899a942470699c76a467a8
  
URLhaus
https://urlhaus.abuse.ch/url/3885283/
  
URLhaus
https://urlhaus.abuse.ch/url/3892126/

Comments