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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620
SHA3-384 hash: 4c4f25a923e5af9b691132f9be2905ed28fcc1ccc303fcfdf4891b0bd053a9ae4622ef66dfe22b410680768ea45c5a4f
SHA1 hash: 28c061df83ffdcf4f4e07c3a90950b783a5d21f1
MD5 hash: 329188b49cecb2310e06289a254caaf1
humanhash: hydrogen-stream-mirror-video
File name:i486
Download: download sample
Signature Mirai
Create hunting rule
File size:49'592 bytes
First seen:2025-08-09 11:30:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3m2tU49fLIRpzLmajaYJ2MlqGnoeknouy8gyI:3NxI7h2YJ2oyoutW
TLSH T16123F15B90EA9499F1347234093F74055FA2CC7EA3F0905AC85D34BA21C9FABAC2D2CD
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 gafgyt mirai UPX
File size (compressed) :49'592 bytes
File size (de-compressed) :98'212 bytes
Format:linux/i386
Unpacked file: 26d2a38fceb1f8c101975b2535079510e6cb14585efbff3e2763286ce31cdb69

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Locks files
Sets a written file as executable
Creating a file in the %temp% directory
Kills processes
DNS request
Runs as daemon
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
60
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5708c4bb-0954-4490-9e05-340fb7e2852e
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1753659
Signature
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
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: 1753659 Sample: i486.elf Startdate: 09/08/2025 Architecture: LINUX Score: 80 46 t.nightbotnet.my.id 185.208.159.135, 33294, 33296, 33298 SIMPLECARRER2IT Switzerland 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Sample is packed with UPX 2->52 10 i486.elf 2->10         started        13 gnome-session-binary sh gsd-print-notifications 2->13         started        15 xfce4-panel wrapper-2.0 2->15         started        17 4 other processes 2->17 signatures3 process4 signatures5 60 Sample tries to set files in /etc globally writable 10->60 62 Drops files in suspicious directories 10->62 64 Sample tries to persist itself using System V runlevels 10->64 19 i486.elf 10->19         started        21 i486.elf sh 10->21         started        23 gsd-print-notifications 13->23         started        process6 process7 25 i486.elf 19->25         started        29 sh cp 21->29         started        31 gsd-print-notifications gsd-printer 23->31         started        file8 44 /etc/init.d/sysd, POSIX 25->44 dropped 66 Sample tries to set files in /etc globally writable 25->66 68 Drops files in suspicious directories 25->68 70 Sample tries to persist itself using System V runlevels 25->70 33 i486.elf sh 25->33         started        35 i486.elf 25->35         started        72 Drops invisible ELF files 29->72 signatures9 process10 signatures11 38 sh cp 33->38         started        54 Sample tries to kill multiple processes (SIGKILL) 35->54 process12 file13 42 /usr/bin/.sh, ELF 38->42 dropped 56 Drops invisible ELF files 38->56 58 Drops files in suspicious directories 38->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-09 11:31:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=36wdj3iuacwxgjyidgujtdkednwu4j2ow26kg35sb6m327rpayqa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux persistence upx
Link:
https://tria.ge/reports/250809-nmxg8s1mv8/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
UPX packed file
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Malware Family:
n/a
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ea14fa4c-ae0a-4bfa-b179-a7c861c820cd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 dfac34ed1400ad73270819a8998d441b6d4e274eb6bca36fb20f99bd7e2f0620

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587616/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3599704/

Comments