MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4
SHA3-384 hash: eaecbfb15bad295bfe6347fd0625b7323d79a6bc21966d54e192563da31371773a060eaa73a4c92532afca21db918557
SHA1 hash: c328547e557fa5984bf7982ec226003fb58d765a
MD5 hash: 0a3faeb834d5fb875c3c93bcd7cd7a8e
humanhash: beryllium-winner-blue-colorado
File name:putita.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:58'132 bytes
First seen:2026-07-18 16:41:26 UTC
Last seen:2026-07-19 15:55:42 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:EVt9FkoneDfixpVGHtdeJz0ZkAWD7GtuWWReh8MaI6WQULfo:EYonvlqtMJoZj8wmI8MlQULw
TLSH T169430106675BF6E3CCD80834EBE08186F1AB4EFCD7CA7361864446ACD7ED00B94B1996
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) :58'132 bytes
File size (de-compressed) :136'648 bytes
Format:linux/arm
Unpacked file: 5ee266bd3fea52a8d9a909ce33f011d2ed65ec5c329a8f2c68cfe4681f5f16b6

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0093810c-dd4c-4d48-a9c8-6ea8d961181a/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Sends data to a server
Creating a file
Receives data from a server
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Writes files to system directory
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:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a5bacc29f06a063c6f0e177/reports/46798119-0387-48c9-aacc-a4589bad5294/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-18T14:40:00Z UTC
Last seen:
2026-07-19T22:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f0617ef7-492a-411e-a495-9623a5f7a5b6
Behavior Graph:
Download SVG
%3 guuid=f75c4719-1900-0000-fbd4-3dafe20d0000 pid=3554 /usr/bin/sudo guuid=70380f1b-1900-0000-fbd4-3dafe70d0000 pid=3559 /tmp/sample.bin guuid=f75c4719-1900-0000-fbd4-3dafe20d0000 pid=3554->guuid=70380f1b-1900-0000-fbd4-3dafe70d0000 pid=3559 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cf61a8c0-d5fb-4d87-a0a1-165070e5e142
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1944635
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
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: 1944635 Sample: putita.arm.elf Startdate: 18/07/2026 Architecture: LINUX Score: 80 53 64.89.163.215, 60650, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->53 55 109.202.202.202, 80 INIT7CH Switzerland 2->55 57 3 other IPs or domains 2->57 59 Sample is packed with UPX 2->59 9 putita.arm.elf 2->9         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 file5 43 /usr/lib/kworker-helper, ELF 9->43 dropped 45 /root/.bashrc, ASCII 9->45 dropped 47 /etc/systemd/system/kworker-helper.service, ASCII 9->47 dropped 49 3 other malicious files 9->49 dropped 65 Sample tries to set files in /etc globally writable 9->65 67 Sample tries to persist itself using /etc/profile 9->67 69 Drops files in suspicious directories 9->69 71 3 other signatures 9->71 17 putita.arm.elf sh 9->17         started        19 putita.arm.elf sh 9->19         started        21 putita.arm.elf chattr 9->21         started        24 6 other processes 9->24 signatures6 process7 signatures8 26 sh crontab 17->26         started        30 sh 17->30         started        32 sh crontab 19->32         started        61 Protects files from modification 21->61 34 putita.arm.elf 24->34         started        36 putita.arm.elf 24->36         started        38 putita.arm.elf 24->38         started        process9 file10 51 /var/spool/cron/crontabs/tmp.dZDoeU, ASCII 26->51 dropped 73 Sample tries to persist itself using cron 26->73 75 Executes the "crontab" command typically for achieving persistence 26->75 40 sh crontab 30->40         started        signatures11 process12 signatures13 63 Executes the "crontab" command typically for achieving persistence 40->63
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-18 16:42:49 UTC
File Type:
ELF32 Little (SO)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mgeedobj3zp22spkaev46fhnjhuz3hjyllefmdlvjlr75bqxnx2a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260718-t7e2ksfy8p/
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/618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4

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_arm_mips_ko_so
Create hunting rule
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 618841b829de5fad49ea012bcf14ed49e99d9d385ac8560d754ae3fe86176df4

(this sample)

Mirai

elf 5ee266bd3fea52a8d9a909ce33f011d2ed65ec5c329a8f2c68cfe4681f5f16b6

  
URLhaus
https://urlhaus.abuse.ch/url/3885286/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 5ee266bd3fea52a8d9a909ce33f011d2ed65ec5c329a8f2c68cfe4681f5f16b6
  
Dropping
MD5 77e83a34d46be53c2d8cdf158a5a8f59

Comments