MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2. 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: 40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2
SHA3-384 hash: f7a2f717791b928c7b3e6483c536c28e959ed147c878baa822e2302b5714b02404ce24c398ba083daa96521150201727
SHA1 hash: 251c522cf26fa72e552aaac42dfe54e6d737d6ef
MD5 hash: 30b12818b8694b5271853c408e94ee48
humanhash: twelve-friend-emma-failed
File name:putita.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:132'552 bytes
First seen:2026-07-18 18:46:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:ZBz7cJm0Jg6lcc14ns/5vVh5cYEEUO7QZ2m/HW2+lp7Plub+Zlf1Dl5:ZB/E7quX5cYEEUO7QZ2SHj+lzo2l955
TLSH T13FD32999F880DE52C6D12676FB5E118C33231778C3DE710ACE245E346BEBD5A0A7E942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 aa6d7499fa9716e23e6300969321e9ff97614249a39de6697554bf9d94103567
File size (compressed) :57'784 bytes
File size (de-compressed) :132'552 bytes
Format:linux/arm
Packed file: aa6d7499fa9716e23e6300969321e9ff97614249a39de6697554bf9d94103567

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Mirai-DJZ.23176237.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creates or modifies symbolic links
Creating a file
Connection attempt
Changes access rights for a written file
Sets a written file as executable
Changes the time when the file was created, accessed, or modified
Runs as daemon
Opens a port
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6a5bca10e1fb821e26eeff85/reports/ebdc3b9d-bce1-412d-8e09-a624931a8cfc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
51
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2
Behaviour
Persistence
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:
2026-07-18T16:38:00Z UTC
Last seen:
2026-07-19T22:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5d88af10-1cb3-4c54-b729-6def664c0236
Behavior Graph:
Download SVG
%3 guuid=04e72ee0-1600-0000-ee14-1a64460c0000 pid=3142 /usr/bin/sudo guuid=7a9536e3-1600-0000-ee14-1a644c0c0000 pid=3148 /tmp/sample.bin guuid=04e72ee0-1600-0000-ee14-1a64460c0000 pid=3142->guuid=7a9536e3-1600-0000-ee14-1a644c0c0000 pid=3148 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9af6a759-b305-4467-ba58-38d192fff90d
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-18 18:47:03 UTC
File Type:
ELF32 Little (SO)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idpt4vpfsywesdgpwxrkerpw2xly2t676p654jcz5mpydlvxq3za._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260718-xe1pcsat4p/
Behaviour
Changes its process name
Modifies Bash startup script
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/40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf aa6d7499fa9716e23e6300969321e9ff97614249a39de6697554bf9d94103567

Mirai

elf 40df3e55e5962c490ccfb5e2a245f6d5d78d4fdff3fdde2459eb1f81aeb786f2

(this sample)

  
Dropped by
SHA256 aa6d7499fa9716e23e6300969321e9ff97614249a39de6697554bf9d94103567
  
URLhaus
https://urlhaus.abuse.ch/url/3885285/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1234ad68afb3d8c0ffd4960d53f952d7

Comments