MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020
SHA3-384 hash: d7202d1c48ba14c86c05a6e78d2efe869997e88223f31e5efa3cfd2fbff9476f1dcd5eb2b51f3a728f2518e126e4f94e
SHA1 hash: c469d543d144d6be75868b05a1738c941374cbbd
MD5 hash: 0e85cb2fefd815d6fb193cb0be7990a4
humanhash: yankee-oscar-early-berlin
File name:putita.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:61'436 bytes
First seen:2026-08-18 20:37:34 UTC
Last seen:2026-08-18 21:05:28 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:HnXYbMazZqzWhYUBlIJFwxmkJpDn0NpGXRZPgWL7GD13w+:HowaZqzWOUBa3wxmk/D0wRZPlHOJT
TLSH T1D053F2E7612B7535C6BBB9F67C1582C099A46C7FD4039F1A18C8319F16366D06D08F8B
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 UPX
File size (compressed) :61'436 bytes
File size (de-compressed) :124'808 bytes
Format:linux/amd64
Unpacked file: d98ae5c005ccf55159f2d408aae4c65162accb6cacb1b9a5b8522e175f15f387

Intelligence

File Origin
# of uploads :
2
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/633b4b2b-f644-40f0-9138-142ae4bac11e/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a84c2c0ce6bca4881d1fd15/reports/24dbf964-177c-497a-8791-3ce3414294fa/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
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/141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020
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/4bd425d6-dd00-4f5f-a05e-27665473f1dc
Behavior Graph:
Download SVG
%3 guuid=f77d433f-1b00-0000-47be-3dfb570a0000 pid=2647 /usr/bin/sudo guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653 /tmp/sample.bin delete-file mprotect-exec net write-config write-file guuid=f77d433f-1b00-0000-47be-3dfb570a0000 pid=2647->guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=232b5d44-1b00-0000-47be-3dfb600a0000 pid=2656 /usr/bin/dash guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=232b5d44-1b00-0000-47be-3dfb600a0000 pid=2656 execve guuid=25d1a044-1b00-0000-47be-3dfb610a0000 pid=2657 /usr/bin/dash guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=25d1a044-1b00-0000-47be-3dfb610a0000 pid=2657 execve guuid=18204d45-1b00-0000-47be-3dfb660a0000 pid=2662 /usr/bin/chattr zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=18204d45-1b00-0000-47be-3dfb660a0000 pid=2662 execve guuid=3fba5145-1b00-0000-47be-3dfb670a0000 pid=2663 /usr/bin/chattr zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=3fba5145-1b00-0000-47be-3dfb670a0000 pid=2663 execve guuid=9a745545-1b00-0000-47be-3dfb680a0000 pid=2664 /usr/bin/chattr zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=9a745545-1b00-0000-47be-3dfb680a0000 pid=2664 execve guuid=bff95b45-1b00-0000-47be-3dfb690a0000 pid=2665 /usr/bin/busybox zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=bff95b45-1b00-0000-47be-3dfb690a0000 pid=2665 execve guuid=e54d5f45-1b00-0000-47be-3dfb6b0a0000 pid=2667 /usr/bin/busybox zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=e54d5f45-1b00-0000-47be-3dfb6b0a0000 pid=2667 execve guuid=ca076545-1b00-0000-47be-3dfb6c0a0000 pid=2668 /usr/bin/busybox zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=ca076545-1b00-0000-47be-3dfb6c0a0000 pid=2668 execve guuid=ace56745-1b00-0000-47be-3dfb6d0a0000 pid=2669 /tmp/sample.bin net zombie guuid=2704c742-1b00-0000-47be-3dfb5d0a0000 pid=2653->guuid=ace56745-1b00-0000-47be-3dfb6d0a0000 pid=2669 clone guuid=1696e244-1b00-0000-47be-3dfb630a0000 pid=2659 /usr/bin/dash guuid=25d1a044-1b00-0000-47be-3dfb610a0000 pid=2657->guuid=1696e244-1b00-0000-47be-3dfb630a0000 pid=2659 clone guuid=5730ed44-1b00-0000-47be-3dfb640a0000 pid=2660 /usr/bin/dash guuid=25d1a044-1b00-0000-47be-3dfb610a0000 pid=2657->guuid=5730ed44-1b00-0000-47be-3dfb640a0000 pid=2660 clone 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=ace56745-1b00-0000-47be-3dfb6d0a0000 pid=2669->706d8119-5804-563f-93fb-1ad04086f3d8 con guuid=c07bd645-1b00-0000-47be-3dfb6f0a0000 pid=2671 /tmp/sample.bin guuid=ace56745-1b00-0000-47be-3dfb6d0a0000 pid=2669->guuid=c07bd645-1b00-0000-47be-3dfb6f0a0000 pid=2671 clone guuid=4152d945-1b00-0000-47be-3dfb700a0000 pid=2672 /tmp/sample.bin guuid=ace56745-1b00-0000-47be-3dfb6d0a0000 pid=2669->guuid=4152d945-1b00-0000-47be-3dfb700a0000 pid=2672 clone guuid=2a10df45-1b00-0000-47be-3dfb710a0000 pid=2673 /tmp/sample.bin guuid=ace56745-1b00-0000-47be-3dfb6d0a0000 pid=2669->guuid=2a10df45-1b00-0000-47be-3dfb710a0000 pid=2673 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/af4b88ba-4910-464e-94ae-b670c85de4aa
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1959976
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: 1959976 Sample: putita.x86_64.elf Startdate: 18/08/2026 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_64.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_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        51 Protects files from modification 17->51 30 putita.x86_64.elf 20->30         started        32 putita.x86_64.elf 20->32         started        34 putita.x86_64.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.FdXpuu, 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/141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cqn4rurl7vpwakyddtgrtyb3so5tjuwuydbsfhr34ixntsgccaqa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-zegbtshj9y/
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:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020

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: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 141bc8d22bfd5f602b031ccd19e03b93bb34d2d4c0c3229e3be22ed9c8c21020

(this sample)

Mirai

elf d98ae5c005ccf55159f2d408aae4c65162accb6cacb1b9a5b8522e175f15f387

  
URLhaus
https://urlhaus.abuse.ch/url/3892133/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 d98ae5c005ccf55159f2d408aae4c65162accb6cacb1b9a5b8522e175f15f387
  
Dropping
MD5 56503e6c45744dc95dd489bd964a0914

Comments