MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5. 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: 3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5
SHA3-384 hash: bd99f338ce42658dd1d543447496535700de11a998ced6140fece95f3f3fb15ddfe0036a89a975ff34cff3ee7bd549a3
SHA1 hash: 25e14200d89d76c4f271350820aeaa8e50f0318e
MD5 hash: a61f8722578775c2df28ef3f301d147d
humanhash: william-iowa-shade-high
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:191'160 bytes
First seen:2025-12-26 05:59:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:voj81jJTVneXREHKVAbW58fyitqfKNwODuxEHK1gUv6yACUzcRozTKyGaL+WCSqr:voj81pVeXREHKVAbW58fyeqfKNwODuxX
TLSH T15F142946ED418E11D4D622FAFAAF414833536BB9E3FA7102DE205F6023C6A9F0F76552
telfhash t197d012a05114065b35d5249a4ded212e927b790b0b4a6d18039df5a88d8b5c3b114c66
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549
File size (compressed) :74'696 bytes
File size (de-compressed) :191'160 bytes
Format:linux/arm
Packed file: 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/a2c61c40-8860-457d-a267-d31fbcf5ab4f/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc obfuscated rust
Link:
https://www.filescan.io/uploads/694e24843f8fdbf8e9526b6b/reports/400afb92-ed5b-46b2-9716-c17519e8de31/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/02021d07-9bf6-4b0a-9aa7-e0eef789502e
Behavior Graph:
Download SVG
%3 guuid=be7e6249-1b00-0000-e41a-7315e80a0000 pid=2792 /usr/bin/sudo guuid=eb1ff24b-1b00-0000-e41a-7315ec0a0000 pid=2796 /tmp/sample.bin guuid=be7e6249-1b00-0000-e41a-7315e80a0000 pid=2792->guuid=eb1ff24b-1b00-0000-e41a-7315ec0a0000 pid=2796 execve
Gathering data
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1839625
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839625 Sample: arm7.elf Startdate: 26/12/2025 Architecture: LINUX Score: 80 30 169.254.169.254, 80 USDOSUS Reserved 2->30 32 162.213.35.25, 443, 60636 CANONICAL-ASGB United States 2->32 34 daisy.ubuntu.com 2->34 36 Found malware configuration 2->36 38 Antivirus detection for dropped file 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 2 other signatures 2->42 9 arm7.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 arm7.elf 9->13         started        file6 28 /usr/local/bin/infinitd, ELF 13->28 dropped 16 arm7.elf sh 13->16         started        18 arm7.elf sh 13->18         started        20 arm7.elf 13->20         started        22 23 other processes 13->22 process7 process8 24 sh systemctl 16->24         started        26 sh systemctl 18->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 06:00:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzakdnerhh6mvi6iswfqmb6l3gzdlyghodcj6t3oagdkt4zep62q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251226-gql3ca1mcl/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
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:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f4a8fee1-eb6c-449b-ab98-ce7931aeb13a
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/3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via unique string 'npxXoudifFeEgGaACScs'
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549

Mirai

elf 3e40a1b49139fccaa3c8958b0607cbd9b235e0c770c49f4f6e0186a9f3247fb5

(this sample)

  
Dropped by
SHA256 40ad3e7b439fd5e5a1ebec801c09db1b0fb8e3df3024e941af8eea3f8e8b1549
  
URLhaus
https://urlhaus.abuse.ch/url/3722830/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 65ed69aebe5bbab432197ea14e399471
  
URLhaus
https://urlhaus.abuse.ch/url/3722817/
  
URLhaus
https://urlhaus.abuse.ch/url/3719333/

Comments