MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549
SHA3-384 hash: 79ea920bdec79b79f3693ce92f4a5b0b01df0a8ad3c5f16a2ecf320ff4abc95bb5d5d12376c391e928b493ff4ba718e6
SHA1 hash: 761bd65d040a98a652fa538b5a9b57b78ee0e0bd
MD5 hash: 65ed69aebe5bbab432197ea14e399471
humanhash: fillet-whiskey-earth-pasta
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:74'696 bytes
First seen:2025-12-26 05:59:12 UTC
Last seen:2025-12-26 19:20:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:e09csjUkbQBfpoQ66Fn8VEuY2dLfcphoRVl/ieYlYpeB/aLcT:ebDFn8VJFLfcQ4hlY0ELcT
TLSH T1787302A052552597C2F39A37EDC9C904509A07F0B35E36BAB76C8E4D18F3863A3158EF
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 mirai UPX
File size (compressed) :74'696 bytes
File size (de-compressed) :191'160 bytes
Format:linux/arm
Unpacked file: 3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5

Intelligence

File Origin
# of uploads :
4
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6510c861-6067-43a5-a5b2-c29a50efab79/
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/694e2433e126b9ff4391d432/reports/7bfefff3-6ad3-49a8-be1a-ead0758f84a2/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c4a56088-1e93-48f5-a596-b611927c4942
Behavior Graph:
Download SVG
%3 guuid=04626810-1a00-0000-ce90-f094cd090000 pid=2509 /usr/bin/sudo guuid=999c1713-1a00-0000-ce90-f094d0090000 pid=2512 /tmp/sample.bin guuid=04626810-1a00-0000-ce90-f094cd090000 pid=2509->guuid=999c1713-1a00-0000-ce90-f094d0090000 pid=2512 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d730f24-dfa8-44dc-9277-877327cebe11
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1839627
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839627 Sample: arm7.elf Startdate: 26/12/2025 Architecture: LINUX Score: 60 34 169.254.169.254, 80 USDOSUS Reserved 2->34 36 109.202.202.202, 80 INIT7CH Switzerland 2->36 38 3 other IPs or domains 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Gafgyt 2->42 44 Sample is packed with UPX 2->44 9 arm7.elf 2->9         started        11 python3.8 dpkg 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 process5 17 arm7.elf 9->17         started        file6 32 /usr/local/bin/infinitd, ELF 17->32 dropped 20 arm7.elf sh 17->20         started        22 arm7.elf sh 17->22         started        24 arm7.elf 17->24         started        26 24 other processes 17->26 process7 process8 28 sh systemctl 20->28         started        30 sh systemctl 22->30         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 06:00:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=icwt462dt7k6lipl5sabyco3dmh3ry67gasosqnpr3vd7dulcveq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/251226-gpt2ka1mbk/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f15c200a-37ae-48d7-90f0-0d2a682dbc63
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/40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549

(this sample)

Mirai

elf 3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5

  
URLhaus
https://urlhaus.abuse.ch/url/3722830/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5
  
Dropping
MD5 a61f8722578775c2df28ef3f301d147d
  
URLhaus
https://urlhaus.abuse.ch/url/3722817/
  
URLhaus
https://urlhaus.abuse.ch/url/3719333/

Comments