MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03
SHA3-384 hash: 614df911b0c9dc86c9dc49fc78f1fd469f80289bb6f32eaed32ec2591566c3f88dfaaa68cba210be934a8b7ac287d264
SHA1 hash: 53314923fddf9d8fb1bda6a7839fac29aa766ba1
MD5 hash: 6634eeb4c36cb0aa9b8ae115ca14bfaf
humanhash: lima-mountain-earth-beer
File name:putita.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:64'328 bytes
First seen:2026-08-25 20:23:35 UTC
Last seen:2026-08-25 22:00:40 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:DuRrn53aUyKkcTMheeWqUjjpcwYxybQuUJpnumnc/krT6E7jvkfw:D+vDTMITqkfYxybQdqmprT6EvvkI
TLSH T1AF53022BB4836F7DC9845D3BDA5841C9795603742EBD31B365162AB8D313E407339B9C
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) :64'328 bytes
File size (de-compressed) :132'744 bytes
Format:linux/arm
Unpacked file: 1f6a5984341f525415454ea54f53ea19aa7add7cf553f5c4a08dce28f963b21f

Intelligence

File Origin
# of uploads :
2
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7ad54c8b-1c93-4e39-9084-74015edb717c/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Launching a process
Connection attempt
Runs as daemon
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:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a8df9eadbad2917e5e288b4/reports/d87a031c-9d10-49b2-bbb6-a134a50ac3c7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-25T18:15:00Z UTC
Last seen:
2026-08-26T18:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e538fa08-e4fa-4350-8e9e-114cbddd06de
Behavior Graph:
Download SVG
%3 guuid=73b3c9cb-1900-0000-4fc4-69a53b070000 pid=1851 /usr/bin/sudo guuid=36e583ce-1900-0000-4fc4-69a540070000 pid=1856 /tmp/sample.bin guuid=73b3c9cb-1900-0000-4fc4-69a53b070000 pid=1851->guuid=36e583ce-1900-0000-4fc4-69a540070000 pid=1856 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d08ea2a0-6abf-47ff-a89f-2c869ed76353
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1963667
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: 1963667 Sample: putita.arm7.elf Startdate: 25/08/2026 Architecture: LINUX Score: 80 49 64.89.163.215, 666 NETIFACE-TORONTO-NetifaceAmericaIncUS Germany 2->49 53 Sample is packed with UPX 2->53 9 putita.arm7.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 61 Sample tries to set files in /etc globally writable 9->61 63 Sample tries to persist itself using /etc/profile 9->63 65 Drops files in suspicious directories 9->65 67 3 other signatures 9->67 13 putita.arm7.elf sh 9->13         started        15 putita.arm7.elf sh 9->15         started        17 putita.arm7.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.arm7.elf 20->30         started        32 putita.arm7.elf 20->32         started        34 putita.arm7.elf 20->34         started        process9 file10 39 /var/spool/cron/crontabs/tmp.zu4aNm, ASCII 22->39 dropped 57 Sample tries to persist itself using cron 22->57 59 Executes the "crontab" command typically for achieving persistence 22->59 36 sh crontab 26->36         started        signatures11 process12 signatures13 55 Executes the "crontab" command typically for achieving persistence 36->55
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxemvwyrxu6yysapo4ptuameaqvlv3kjgvtpzlhjsanm5pvyxmbq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260825-y6rffayejc/
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/bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03

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: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 bdc8cadb11bd3d8c480f771f3a0184042abaed493566fcace9901acebeb8bb03

(this sample)

Mirai

elf 1f6a5984341f525415454ea54f53ea19aa7add7cf553f5c4a08dce28f963b21f

  
URLhaus
https://urlhaus.abuse.ch/url/3892135/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 1f6a5984341f525415454ea54f53ea19aa7add7cf553f5c4a08dce28f963b21f
  
Dropping
MD5 b4e929c1fb601fb7edfee473330fd60a
  
URLhaus
https://urlhaus.abuse.ch/url/3885281/

Comments