MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40a2c534f28126f7e0d51a1114ccbdb3d4a9554c9ce7c8f06cb39c820d2b33e1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40a2c534f28126f7e0d51a1114ccbdb3d4a9554c9ce7c8f06cb39c820d2b33e1
SHA3-384 hash: 90eb3bae488dc1ec00c01afd263b6e8eecb7f4eb2b72982bcf2228977e9ac467e7b867589127b8e8a7e2c1ec13c8a1f0
SHA1 hash: c98b0129530bb668cefa7f2b7463fbbef6779446
MD5 hash: 6844a1162555ee65f491aeada33dac45
humanhash: pluto-uranus-coffee-double
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:46'856 bytes
First seen:2025-11-29 05:21:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jltxhiwKNVY34BKYNy+Np0l7SCU+rk+mDO4FBm99KxsXnbcuyD7UHQRj9J:jvWzfY3uN9O7SCjrfmDOEQ99KsXnouyZ
TLSH T1F123F132E0B9CA8DD4E51774CFABBAA26801D26A9643CCC76654C02D5846BF477213FF
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) :46'856 bytes
File size (de-compressed) :103'700 bytes
Format:linux/i386
Unpacked file: 914cacc1746bae60cf643f1689daa0d10d58441b7bf8f5b3df089c2e5c967d19

Intelligence

File Origin
# of uploads :
1
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/692a83062cd29ea630031f17/reports/4c6da688-75b2-4c55-a944-71ee8165ab6c/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b70e78ab-3993-4244-882b-021022cdd6a3
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1822723
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822723 Sample: debug.elf Startdate: 29/11/2025 Architecture: LINUX Score: 68 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 draft21.redirectme.net 45.135.194.71, 12121, 47054, 47072 SKYLINKCZ Germany 2->26 28 2 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 systemd snap-failure 2->8         started        10 debug.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 snap-failure systemctl 8->14         started        16 snap-failure 8->16         started        18 debug.elf 10->18         started        20 debug.elf 10->20         started        process6 22 debug.elf 18->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40a2c534f28126f7e0d51a1114ccbdb3d4a9554c9ce7c8f06cb39c820d2b33e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40a2c534f28126f7e0d51a1114ccbdb3d4a9554c9ce7c8f06cb39c820d2b33e1/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=icrmknhsqetppygvdiirjtf5wpkksvkmttt4r4dmwooiedjlgpqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251129-f2njwa1kbx/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
draft21.redirectme.net
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/40a2c534f28126f7e0d51a1114ccbdb3d4a9554c9ce7c8f06cb39c820d2b33e1

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 40a2c534f28126f7e0d51a1114ccbdb3d4a9554c9ce7c8f06cb39c820d2b33e1

(this sample)

Mirai

elf 914cacc1746bae60cf643f1689daa0d10d58441b7bf8f5b3df089c2e5c967d19

  
URLhaus
https://urlhaus.abuse.ch/url/3702411/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 914cacc1746bae60cf643f1689daa0d10d58441b7bf8f5b3df089c2e5c967d19
  
Dropping
MD5 8e630acdf582cd9f9fa6a92dde2cd410

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