MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2
SHA3-384 hash: 47523359582c5b8fd0fc0077d8c85e954751c1e2727155a48d86cec94ae9ad48297e0c27bfa5c63a573ccb5f678e9874
SHA1 hash: efacb4d69412551120833d76db99556393cf6c47
MD5 hash: 0561552e7bec2a800b2ea68e58f885ac
humanhash: tennessee-video-hot-yellow
File name:putita.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:53'312 bytes
First seen:2026-07-16 16:54:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 768:1J2K6szpHhmCQ99FUxrkN5bRcNvNGgRocE/LoC2msiOFOHGdLKmFYFCWKdos3U0W:1v6stBmf4k+PGgRLOJ2XtLv7Of5
TLSH T17333F10C29851A97CAB91C37EA6D8180251EFFB4F1E7B2EB704195D8B6B314E36A52C4
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) :53'312 bytes
File size (de-compressed) :124'356 bytes
Format:linux/arm
Unpacked file: a8b42fae721dcbf760f31ec9d797ddaedb6479b52e70807de162a8af4a3b4059

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/550ae9d5-0655-46ce-ad8b-a566e1c1065e/
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2
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:
2026-07-16T14:56:00Z UTC
Last seen:
2026-07-18T14:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d8d38b4a-1c73-463b-acd1-ce22a4d349a5
Behavior Graph:
Download SVG
%3 guuid=92964591-1900-0000-4e0f-057834110000 pid=4404 /usr/bin/sudo guuid=edfefb92-1900-0000-4e0f-057839110000 pid=4409 /tmp/sample.bin guuid=92964591-1900-0000-4e0f-057834110000 pid=4404->guuid=edfefb92-1900-0000-4e0f-057839110000 pid=4409 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a96011d1-c49a-4405-a881-b5575eece6bb
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1943725
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: 1943725 Sample: putita.arm7.elf Startdate: 16/07/2026 Architecture: LINUX Score: 80 53 64.89.163.215, 60650, 60652, 60654 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.arm7.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.arm7.elf sh 9->17         started        19 putita.arm7.elf sh 9->19         started        21 putita.arm7.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.arm7.elf 24->34         started        36 putita.arm7.elf 24->36         started        38 putita.arm7.elf 24->38         started        process9 file10 51 /var/spool/cron/crontabs/tmp.EvYW2y, 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/d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-16 16:55:46 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2vtpeq36cl5e6rqnxsg2x6tpvjvbxkhrgok6gm3xrig6iqyubsza._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260716-vfglrshv2m/
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/d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2

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 d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2

(this sample)

Mirai

elf a8b42fae721dcbf760f31ec9d797ddaedb6479b52e70807de162a8af4a3b4059

  
URLhaus
https://urlhaus.abuse.ch/url/3885281/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a8b42fae721dcbf760f31ec9d797ddaedb6479b52e70807de162a8af4a3b4059
  
Dropping
MD5 07585d6a8597953165801a4f3acf5f2e

Comments