MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c. 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: 36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c
SHA3-384 hash: 78a40360adcba3f73d40caf45a34d5fdbfcd09960b30a4527a86a0a96aff66b885e51a9cf3a45ac9d448ecca62a2a17a
SHA1 hash: 09a0a0bb848db80bf1f11c2f11c8a027d81e26d3
MD5 hash: cf1ae18fd855aeb019cb4bf9afdaca50
humanhash: nine-berlin-arizona-stream
File name:putita.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:61'048 bytes
First seen:2026-08-18 02:45:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:yJzMtPCxFv3gqmWRl637x6hPdQ/9Hww4QuP:yJooFv3gqFl6rx68lnuP
TLSH T1B253F1A51A27ACE0DB59173326788790E67273A6C2C3872F14B4686FF86F5447E047A2
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) :61'048 bytes
File size (de-compressed) :124'808 bytes
Format:linux/amd64
Unpacked file: 63f9e7c3c326d65ec437569a6db74bcac541bdd140bbf2282283eed441539b8d

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/39167949-8078-4052-9085-96be03ac00dc/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Changes the time when the file was created, accessed, or modified
Connection attempt
Runs as daemon
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/6a83c759b0dd85c15ff20619/reports/dde10217-3a7f-4f9d-884e-1c27ae0dcbc2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
14
Number of processes launched:
11
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c
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/f25cf873-f784-46be-86ca-927853c37038
Behavior Graph:
Download SVG
%3 guuid=dfb6ad48-1800-0000-f2e1-7f71870b0000 pid=2951 /usr/bin/sudo guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957 /tmp/sample.bin delete-file mprotect-exec net write-config write-file guuid=dfb6ad48-1800-0000-f2e1-7f71870b0000 pid=2951->guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e8e6b94b-1800-0000-f2e1-7f71900b0000 pid=2960 /usr/bin/dash guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=e8e6b94b-1800-0000-f2e1-7f71900b0000 pid=2960 execve guuid=335e294c-1800-0000-f2e1-7f71910b0000 pid=2961 /usr/bin/dash guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=335e294c-1800-0000-f2e1-7f71910b0000 pid=2961 execve guuid=953f314f-1800-0000-f2e1-7f71990b0000 pid=2969 /usr/bin/chattr zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=953f314f-1800-0000-f2e1-7f71990b0000 pid=2969 execve guuid=40c8364f-1800-0000-f2e1-7f719a0b0000 pid=2970 /usr/bin/chattr zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=40c8364f-1800-0000-f2e1-7f719a0b0000 pid=2970 execve guuid=8f6e394f-1800-0000-f2e1-7f719b0b0000 pid=2971 /usr/bin/chattr zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=8f6e394f-1800-0000-f2e1-7f719b0b0000 pid=2971 execve guuid=8fb03d4f-1800-0000-f2e1-7f719c0b0000 pid=2972 /usr/bin/busybox zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=8fb03d4f-1800-0000-f2e1-7f719c0b0000 pid=2972 execve guuid=74a1404f-1800-0000-f2e1-7f719d0b0000 pid=2973 /usr/bin/busybox zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=74a1404f-1800-0000-f2e1-7f719d0b0000 pid=2973 execve guuid=a09d434f-1800-0000-f2e1-7f719e0b0000 pid=2974 /usr/bin/busybox zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=a09d434f-1800-0000-f2e1-7f719e0b0000 pid=2974 execve guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975 /tmp/sample.bin net send-data zombie guuid=0450924a-1800-0000-f2e1-7f718d0b0000 pid=2957->guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975 clone guuid=b30f7c4c-1800-0000-f2e1-7f71930b0000 pid=2963 /usr/bin/dash guuid=335e294c-1800-0000-f2e1-7f71910b0000 pid=2961->guuid=b30f7c4c-1800-0000-f2e1-7f71930b0000 pid=2963 clone guuid=a39f814c-1800-0000-f2e1-7f71940b0000 pid=2964 /usr/bin/dash guuid=335e294c-1800-0000-f2e1-7f71910b0000 pid=2961->guuid=a39f814c-1800-0000-f2e1-7f71940b0000 pid=2964 clone guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975->706d8119-5804-563f-93fb-1ad04086f3d8 send: 90B guuid=db8e2150-1800-0000-f2e1-7f71a30b0000 pid=2979 /tmp/sample.bin guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975->guuid=db8e2150-1800-0000-f2e1-7f71a30b0000 pid=2979 clone guuid=0fa32450-1800-0000-f2e1-7f71a40b0000 pid=2980 /tmp/sample.bin guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975->guuid=0fa32450-1800-0000-f2e1-7f71a40b0000 pid=2980 clone guuid=34522a50-1800-0000-f2e1-7f71a50b0000 pid=2981 /tmp/sample.bin guuid=c377474f-1800-0000-f2e1-7f719f0b0000 pid=2975->guuid=34522a50-1800-0000-f2e1-7f71a50b0000 pid=2981 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/98a25ed7-ad07-42a1-918e-9fbcc12f37da
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1959408
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: 1959408 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.RNI6CH, 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/36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3pxgs5owox7rnn766xlgxr2sbbyupx4rk2zhl4ruxmh27dvafga._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
command_and_control defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260818-c849esvbna/
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
Outbound SSH connection to public host
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/36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c

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 36df734baeb3aff8b5bff7aeb35e3a90438a3efc8ab593af91a5d87d7c75014c

(this sample)

Mirai

elf 63f9e7c3c326d65ec437569a6db74bcac541bdd140bbf2282283eed441539b8d

  
URLhaus
https://urlhaus.abuse.ch/url/3885289/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 63f9e7c3c326d65ec437569a6db74bcac541bdd140bbf2282283eed441539b8d
  
Dropping
MD5 c0123d615ef58b5d43270770e46bd53d

Comments