MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb. 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: 9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb
SHA3-384 hash: c758cc6248fa8befebcc9867e46a4251991dff6ae1780fe798236c25abdd22949ad1450309baba63e81629c1119407af
SHA1 hash: 11188183348a217776a03a62f146dc315ab2dbbc
MD5 hash: c8d8958142ea407b94219b837555fa89
humanhash: ack-charlie-magazine-foxtrot
File name:putita.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:128'904 bytes
First seen:2026-07-20 19:14:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:Cl+xWDOtHexNDVWt49uJU7YBGPKca4SCwJUZPFauU6zp4iHl1/s9GS/ziD5CaG48:Cl+pexNDO2kJGycfHVFI9G2y5CaG4KV
TLSH T168C34902B46148FCC156C474C77FE927EA31785E13343A6F2B84BA712E22E755F0AB96
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 mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 70ad15526da0fcfe0b038908dc05976b69410fe3716c662db15e45fc7b9a8139
File size (compressed) :63'692 bytes
File size (de-compressed) :128'904 bytes
Format:linux/amd64
Packed file: 70ad15526da0fcfe0b038908dc05976b69410fe3716c662db15e45fc7b9a8139

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Virus.Ladvix-10013865-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand gcc lolbin
Link:
https://www.filescan.io/uploads/6a5e73a191d9ed8c853c6fcf/reports/4f5fa118-3a89-4ac5-9022-e1dab47a8dc8/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-20T20:41:00Z UTC
Last seen:
2026-07-21T17:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e3f42d11-9bfe-4604-9cd8-8c0d290fe877
Behavior Graph:
Download SVG
%3 guuid=755b8ee7-1a00-0000-1d91-4f87480b0000 pid=2888 /usr/bin/sudo guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889 /tmp/sample.bin delete-file net write-config write-file guuid=755b8ee7-1a00-0000-1d91-4f87480b0000 pid=2888->guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=21387ee9-1a00-0000-1d91-4f874b0b0000 pid=2891 /usr/bin/dash guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=21387ee9-1a00-0000-1d91-4f874b0b0000 pid=2891 execve guuid=16dfb1e9-1a00-0000-1d91-4f874c0b0000 pid=2892 /usr/bin/dash guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=16dfb1e9-1a00-0000-1d91-4f874c0b0000 pid=2892 execve guuid=72a0e0ea-1a00-0000-1d91-4f874f0b0000 pid=2895 /usr/bin/chattr zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=72a0e0ea-1a00-0000-1d91-4f874f0b0000 pid=2895 execve guuid=c079e4ea-1a00-0000-1d91-4f87500b0000 pid=2896 /usr/bin/chattr zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=c079e4ea-1a00-0000-1d91-4f87500b0000 pid=2896 execve guuid=80afe7ea-1a00-0000-1d91-4f87510b0000 pid=2897 /usr/bin/chattr zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=80afe7ea-1a00-0000-1d91-4f87510b0000 pid=2897 execve guuid=8245ebea-1a00-0000-1d91-4f87520b0000 pid=2898 /usr/bin/busybox zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=8245ebea-1a00-0000-1d91-4f87520b0000 pid=2898 execve guuid=3be6edea-1a00-0000-1d91-4f87530b0000 pid=2899 /usr/bin/busybox zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=3be6edea-1a00-0000-1d91-4f87530b0000 pid=2899 execve guuid=fc7cf1ea-1a00-0000-1d91-4f87540b0000 pid=2900 /usr/bin/busybox zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=fc7cf1ea-1a00-0000-1d91-4f87540b0000 pid=2900 execve guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901 /tmp/sample.bin net send-data zombie guuid=97e327e9-1a00-0000-1d91-4f87490b0000 pid=2889->guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901 clone guuid=a3cce2e9-1a00-0000-1d91-4f874d0b0000 pid=2893 /usr/bin/dash guuid=16dfb1e9-1a00-0000-1d91-4f874c0b0000 pid=2892->guuid=a3cce2e9-1a00-0000-1d91-4f874d0b0000 pid=2893 clone guuid=8f59e7e9-1a00-0000-1d91-4f874e0b0000 pid=2894 /usr/bin/dash guuid=16dfb1e9-1a00-0000-1d91-4f874c0b0000 pid=2892->guuid=8f59e7e9-1a00-0000-1d91-4f874e0b0000 pid=2894 clone guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901->706d8119-5804-563f-93fb-1ad04086f3d8 send: 90B guuid=aef829eb-1a00-0000-1d91-4f87560b0000 pid=2902 /tmp/sample.bin guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901->guuid=aef829eb-1a00-0000-1d91-4f87560b0000 pid=2902 clone guuid=d8692ceb-1a00-0000-1d91-4f87570b0000 pid=2903 /tmp/sample.bin guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901->guuid=d8692ceb-1a00-0000-1d91-4f87570b0000 pid=2903 clone guuid=bedb30eb-1a00-0000-1d91-4f87580b0000 pid=2904 /tmp/sample.bin guuid=d7ebf5ea-1a00-0000-1d91-4f87550b0000 pid=2901->guuid=bedb30eb-1a00-0000-1d91-4f87580b0000 pid=2904 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/94c436ed-d921-4f76-bdf8-736e322c3131
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1945443
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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: 1945443 Sample: putita.x86_64.elf Startdate: 20/07/2026 Architecture: LINUX Score: 100 53 134.202.171.208, 80 WINDSTREAM-WindstreamCommunicationsLLCUS United States 2->53 55 64.89.163.215, 59578, 59580, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->55 59 Antivirus detection for dropped file 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for submitted file 2->63 9 putita.x86_64.elf 2->9         started        signatures3 process4 file5 45 /usr/lib/kworker-helper, ELF 9->45 dropped 47 /root/.bashrc, ASCII 9->47 dropped 49 /etc/systemd/system/kworker-helper.service, ASCII 9->49 dropped 51 3 other malicious files 9->51 dropped 71 Sample tries to set files in /etc globally writable 9->71 73 Sample tries to persist itself using /etc/profile 9->73 75 Drops files in suspicious directories 9->75 77 3 other signatures 9->77 13 putita.x86_64.elf sh 9->13         started        15 putita.x86_64.elf sh 9->15         started        17 putita.x86_64.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        57 Protects files from modification 17->57 30 putita.x86_64.elf 20->30         started        32 putita.x86_64.elf 20->32         started        34 putita.x86_64.elf 20->34         started        36 putita.x86_64.elf 20->36         started        process9 file10 43 /var/spool/cron/crontabs/tmp.Bp5HLn, ASCII 22->43 dropped 67 Sample tries to persist itself using cron 22->67 69 Executes the "crontab" command typically for achieving persistence 22->69 38 sh crontab 26->38         started        41 putita.x86_64.elf 30->41         started        signatures11 process12 signatures13 65 Executes the "crontab" command typically for achieving persistence 38->65
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-20 19:20:45 UTC
File Type:
ELF64 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcaowqg377ef6mouchof6kbuj3yqcskn2kkevb57uh4hvel3qo5q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260720-xx3axacx6r/
Behaviour
Changes its process name
Modifies Bash startup script
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/9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 70ad15526da0fcfe0b038908dc05976b69410fe3716c662db15e45fc7b9a8139

Mirai

elf 9880eb40dbffc85f31d411dc5f28344ef101494dd2944a87bfa1f87a917b83bb

(this sample)

  
Dropped by
SHA256 70ad15526da0fcfe0b038908dc05976b69410fe3716c662db15e45fc7b9a8139
  
URLhaus
https://urlhaus.abuse.ch/url/3885289/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 2593bceb7a688c84e43da0164d455113

Comments