MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba
SHA3-384 hash: a8681de3f9371650152744b4325042e98ee4c1c5dfef1fa3b0a8b7f1cd211e215ddefaf93f2af263bbcedec95592d93f
SHA1 hash: ca28ecb5c2309a281757aba43903dd76b497747f
MD5 hash: f118f3fa81cba559bc43e5453689f7bd
humanhash: sixteen-autumn-robin-california
File name:nz.arc
Download: download sample
Signature Mirai
Create hunting rule
File size:148'932 bytes
First seen:2026-07-11 06:02:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:7y9AU00EpURDpQB89AkyU/2YONngK7Eq:7iJ4kTu7Eq
TLSH T1D7E3BE97F6472492C96302F407CB6FCD6E6322825F9B99E3AD2F743B59760DB0402B91
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

YARA.SIGNATURE_BASE_MAL_ELF_Xlogin_Nov24_1.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a51dcac386045fc08ce8d2b/reports/15cae6b7-9266-49b7-bf1d-4e4af4272386/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-11T02:46:00Z UTC
Last seen:
2026-07-11T14:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3b75d509-2a4a-434d-ba54-8081c45ffd28
Behavior Graph:
Download SVG
%3 guuid=dffe4c5f-2000-0000-19b0-f58d750d0000 pid=3445 /usr/bin/sudo guuid=850dec60-2000-0000-19b0-f58d760d0000 pid=3446 /tmp/sample.bin guuid=dffe4c5f-2000-0000-19b0-f58d750d0000 pid=3445->guuid=850dec60-2000-0000-19b0-f58d760d0000 pid=3446 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/98db0a95-5f98-4947-8c2f-10d982bc4556
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-11 04:53:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjfdueu3ojvvggkbwqoxgrjb5cif2v5fpj7iuct6lx7ud3jc625a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260711-gr9vssey9x/
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/7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_Xlogin_Nov24_1
Create hunting rule
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 7a4a3a129b726b531941b41d734521e8905d57a57a7e8a0a7e5dff41ed22f6ba

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3884774/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3884909/
  
URLhaus
https://urlhaus.abuse.ch/url/3884927/

Comments