MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d441b20bb397bcfa6d0d62634cec198e6e83e73b57513bcadcbd9e0f785aee99. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d441b20bb397bcfa6d0d62634cec198e6e83e73b57513bcadcbd9e0f785aee99
SHA3-384 hash: 1f9b247163744094694914b1ff43c2e881390f16fc1b656b61b7a2263e013c9785f1e2c8160d76a2c9c366ba13bf1ec4
SHA1 hash: 86a12795d82d4f98285ed4512de7c2d8528fbebc
MD5 hash: b73f2187f6d57ed96434e41d558afec6
humanhash: foxtrot-green-single-orange
File name:putita.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:72'184 bytes
First seen:2026-08-25 20:48:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:CnOS41LqSJcCMi5oXs6MBwk1k66kDngEWjLch4Rzn4pMVnouy8DML:Bj2SJcCFvjk6hg9LchVpmoutDML
TLSH T182630285E91F96B4C66A873B096ED06B0C09C70EB0B5D6A6B56CB83F600CBC52DCC357
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :72'184 bytes
File size (de-compressed) :153'208 bytes
Format:linux/i386
Unpacked file: a96860a8a4653e1f59620c443d05f006cc7049e0f9c216f2cb7a7e32fc21d3ff

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ed6b4bbb-73be-4d13-9421-5a12f9a5a1eb/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed packer upx
Link:
https://www.filescan.io/uploads/6a8dffc95dbf21065fd79176/reports/f02d92ff-f728-42a6-a5c5-c82b4020d854/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/632e12c5-2818-4ad8-afc4-490534dc7086
Behavior Graph:
Download SVG
%3 guuid=b2eee14c-1800-0000-20aa-7c30140c0000 pid=3092 /usr/bin/sudo guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093 /tmp/sample.bin delete-file net write-config write-file guuid=b2eee14c-1800-0000-20aa-7c30140c0000 pid=3092->guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9b52c152-1800-0000-20aa-7c30160c0000 pid=3094 /usr/bin/dash guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=9b52c152-1800-0000-20aa-7c30160c0000 pid=3094 execve guuid=e0b34653-1800-0000-20aa-7c30170c0000 pid=3095 /usr/bin/dash guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=e0b34653-1800-0000-20aa-7c30170c0000 pid=3095 execve guuid=f2cd3a54-1800-0000-20aa-7c301a0c0000 pid=3098 /usr/bin/chattr zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=f2cd3a54-1800-0000-20aa-7c301a0c0000 pid=3098 execve guuid=eaf24354-1800-0000-20aa-7c301b0c0000 pid=3099 /usr/bin/chattr zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=eaf24354-1800-0000-20aa-7c301b0c0000 pid=3099 execve guuid=648d4b54-1800-0000-20aa-7c301c0c0000 pid=3100 /usr/bin/chattr zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=648d4b54-1800-0000-20aa-7c301c0c0000 pid=3100 execve guuid=0eeb5154-1800-0000-20aa-7c301d0c0000 pid=3101 /usr/bin/busybox zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=0eeb5154-1800-0000-20aa-7c301d0c0000 pid=3101 execve guuid=ff295a54-1800-0000-20aa-7c301e0c0000 pid=3102 /usr/bin/busybox zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=ff295a54-1800-0000-20aa-7c301e0c0000 pid=3102 execve guuid=01165f54-1800-0000-20aa-7c301f0c0000 pid=3103 /usr/bin/busybox zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=01165f54-1800-0000-20aa-7c301f0c0000 pid=3103 execve guuid=ddd46654-1800-0000-20aa-7c30200c0000 pid=3104 /tmp/sample.bin net zombie guuid=2e9b4250-1800-0000-20aa-7c30150c0000 pid=3093->guuid=ddd46654-1800-0000-20aa-7c30200c0000 pid=3104 clone guuid=1d027853-1800-0000-20aa-7c30180c0000 pid=3096 /usr/bin/dash guuid=e0b34653-1800-0000-20aa-7c30170c0000 pid=3095->guuid=1d027853-1800-0000-20aa-7c30180c0000 pid=3096 clone guuid=91b28853-1800-0000-20aa-7c30190c0000 pid=3097 /usr/bin/dash guuid=e0b34653-1800-0000-20aa-7c30170c0000 pid=3095->guuid=91b28853-1800-0000-20aa-7c30190c0000 pid=3097 clone 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=ddd46654-1800-0000-20aa-7c30200c0000 pid=3104->706d8119-5804-563f-93fb-1ad04086f3d8 con guuid=74187e54-1800-0000-20aa-7c30210c0000 pid=3105 /tmp/sample.bin guuid=ddd46654-1800-0000-20aa-7c30200c0000 pid=3104->guuid=74187e54-1800-0000-20aa-7c30210c0000 pid=3105 clone guuid=a24d8654-1800-0000-20aa-7c30220c0000 pid=3106 /tmp/sample.bin guuid=ddd46654-1800-0000-20aa-7c30200c0000 pid=3104->guuid=a24d8654-1800-0000-20aa-7c30220c0000 pid=3106 clone guuid=ed118e54-1800-0000-20aa-7c30230c0000 pid=3107 /tmp/sample.bin guuid=ddd46654-1800-0000-20aa-7c30200c0000 pid=3104->guuid=ed118e54-1800-0000-20aa-7c30230c0000 pid=3107 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/316db5e7-df18-438c-8528-4c54b5af81b4
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1963694
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: 1963694 Sample: putita.x86.elf Startdate: 25/08/2026 Architecture: LINUX Score: 88 49 64.89.163.215, 36078, 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.XWauqy, 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/d441b20bb397bcfa6d0d62634cec198e6e83e73b57513bcadcbd9e0f785aee99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d441b20bb397bcfa6d0d62634cec198e6e83e73b57513bcadcbd9e0f785aee99/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2ra3ec5ts66pu3inmjruz3azrzxihzz3k5itxsw4xwpa66c252mq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260825-zl4qpsel5y/
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.

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 d441b20bb397bcfa6d0d62634cec198e6e83e73b57513bcadcbd9e0f785aee99

(this sample)

Mirai

elf a96860a8a4653e1f59620c443d05f006cc7049e0f9c216f2cb7a7e32fc21d3ff

  
URLhaus
https://urlhaus.abuse.ch/url/3892126/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a96860a8a4653e1f59620c443d05f006cc7049e0f9c216f2cb7a7e32fc21d3ff
  
Dropping
MD5 040ec7ee91043828cd3c1fb0cadc3af7
  
URLhaus
https://urlhaus.abuse.ch/url/3885283/
  
URLhaus
https://urlhaus.abuse.ch/url/3892146/

Comments