MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12. 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: c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12
SHA3-384 hash: c72299697b4f8cf38a4c9f2a8173a30a05a96853645739f91eafca4e58d77c8fc0928bd57d60c1fb06b4fb50c1757986
SHA1 hash: 7f9e5ca1d352b9f4ac86f474207c13eafacc92da
MD5 hash: ea1cfa945bfc376d40e304d607034aea
humanhash: undress-bakerloo-lion-lamp
File name:putita.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:60'828 bytes
First seen:2026-08-18 01:59:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:e16WIHbH1//f5j/efulM9s7g9n9rfB1W8qEG9dCWbfRdB8fje1Lt+wcJ3:2clnB/DM9san9DLWbEGPnb90MLEJ3
TLSH T1F65302F1774FADB5C87669B20A504EC5B959ED00E72A072B1AB9E0E54CB1B80301DFED
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) :60'828 bytes
File size (de-compressed) :124'808 bytes
Format:linux/amd64
Unpacked file: 0e694bfe21b865c1d8bf991c2b3f32259e133a230cd0788aa95449ded6d4736b

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c705f168-03d4-4e72-9984-683a066922f6/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
Receives data from a server
Sends data to a server
Changes the time when the file was created, accessed, or modified
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:
packed upx
Link:
https://www.filescan.io/uploads/6a83bc83c5092646e14e1c33/reports/1055740a-a12c-4645-b897-a4912457d6bd/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/c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12
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/b1563fb5-06c1-4e7e-a7ea-ac076fb431d0
Behavior Graph:
Download SVG
%3 guuid=05c48b9d-1800-0000-bff0-97ec400c0000 pid=3136 /usr/bin/sudo guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138 /tmp/sample.bin delete-file mprotect-exec net write-config write-file guuid=05c48b9d-1800-0000-bff0-97ec400c0000 pid=3136->guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c8c490a2-1800-0000-bff0-97ec430c0000 pid=3139 /usr/bin/dash guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=c8c490a2-1800-0000-bff0-97ec430c0000 pid=3139 execve guuid=0de20ba3-1800-0000-bff0-97ec440c0000 pid=3140 /usr/bin/dash guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=0de20ba3-1800-0000-bff0-97ec440c0000 pid=3140 execve guuid=627a91a7-1800-0000-bff0-97ec500c0000 pid=3152 /usr/bin/chattr zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=627a91a7-1800-0000-bff0-97ec500c0000 pid=3152 execve guuid=e54e9da7-1800-0000-bff0-97ec520c0000 pid=3154 /usr/bin/chattr zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=e54e9da7-1800-0000-bff0-97ec520c0000 pid=3154 execve guuid=c302a2a7-1800-0000-bff0-97ec530c0000 pid=3155 /usr/bin/chattr zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=c302a2a7-1800-0000-bff0-97ec530c0000 pid=3155 execve guuid=cfa3aea7-1800-0000-bff0-97ec540c0000 pid=3156 /usr/bin/busybox zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=cfa3aea7-1800-0000-bff0-97ec540c0000 pid=3156 execve guuid=b8bcb9a7-1800-0000-bff0-97ec550c0000 pid=3157 /usr/bin/busybox zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=b8bcb9a7-1800-0000-bff0-97ec550c0000 pid=3157 execve guuid=964ac5a7-1800-0000-bff0-97ec560c0000 pid=3158 /usr/bin/busybox zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=964ac5a7-1800-0000-bff0-97ec560c0000 pid=3158 execve guuid=ba21d3a7-1800-0000-bff0-97ec580c0000 pid=3160 /tmp/sample.bin net zombie guuid=c4faa2a1-1800-0000-bff0-97ec420c0000 pid=3138->guuid=ba21d3a7-1800-0000-bff0-97ec580c0000 pid=3160 clone guuid=884b67a3-1800-0000-bff0-97ec450c0000 pid=3141 /usr/bin/dash guuid=0de20ba3-1800-0000-bff0-97ec440c0000 pid=3140->guuid=884b67a3-1800-0000-bff0-97ec450c0000 pid=3141 clone guuid=e81073a3-1800-0000-bff0-97ec460c0000 pid=3142 /usr/bin/dash guuid=0de20ba3-1800-0000-bff0-97ec440c0000 pid=3140->guuid=e81073a3-1800-0000-bff0-97ec460c0000 pid=3142 clone 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=ba21d3a7-1800-0000-bff0-97ec580c0000 pid=3160->706d8119-5804-563f-93fb-1ad04086f3d8 con guuid=39b20ba8-1800-0000-bff0-97ec590c0000 pid=3161 /tmp/sample.bin guuid=ba21d3a7-1800-0000-bff0-97ec580c0000 pid=3160->guuid=39b20ba8-1800-0000-bff0-97ec590c0000 pid=3161 clone guuid=2b8a0ea8-1800-0000-bff0-97ec5a0c0000 pid=3162 /tmp/sample.bin guuid=ba21d3a7-1800-0000-bff0-97ec580c0000 pid=3160->guuid=2b8a0ea8-1800-0000-bff0-97ec5a0c0000 pid=3162 clone guuid=0bf411a8-1800-0000-bff0-97ec5b0c0000 pid=3163 /tmp/sample.bin guuid=ba21d3a7-1800-0000-bff0-97ec580c0000 pid=3160->guuid=0bf411a8-1800-0000-bff0-97ec5b0c0000 pid=3163 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0e998cb6-4fc6-4020-9a4d-8f6e71a112f5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1959398
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: 1959398 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.esDaPt, 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/c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ykt2ef7cryuxh5mymr5ro3pl6jawdwx466c2rjx67ptevqsaj4ja._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-cenpksvsc1/
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
UPX packed file
Creates a large amount of network flows
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/c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12

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 c2a7a217e28e2973f598647b176debf24161dafcf785a8a6fefbe64ac2404f12

(this sample)

Mirai

elf 0e694bfe21b865c1d8bf991c2b3f32259e133a230cd0788aa95449ded6d4736b

  
URLhaus
https://urlhaus.abuse.ch/url/3892133/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0e694bfe21b865c1d8bf991c2b3f32259e133a230cd0788aa95449ded6d4736b
  
Dropping
MD5 28838ae2e1ae94fe1171b66caf160bea
  
URLhaus
https://urlhaus.abuse.ch/url/3892125/

Comments