MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8
SHA3-384 hash: 724e3007eb65b25bbd7dddf2c1f349fe3cd7d6a1be4356c0739bf5ce8b3bd135254ee7b644b5bc74403d59a06a4f339c
SHA1 hash: ebf6854451fdbb4d3dba0ccf3f35c8ff6d1fa085
MD5 hash: 3ca76315709f0e977081115f8fe9bacd
humanhash: arizona-spring-quebec-uniform
File name:nz.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:41'996 bytes
First seen:2026-07-21 05:39:59 UTC
Last seen:2026-07-21 20:07:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:b7yky/ynPdrHnU6WeUXiIArbgrS6pW9n2dPJJI/O79hxtls1YBx05W:bGkPPdzpWeUorbgHs2+GpA1wAW
TLSH T17513E1FB025ED6F9D82794B014194791E8A53C0DFD628BAF056853EE09FE5902F22BC0
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) :41'996 bytes
File size (de-compressed) :85'904 bytes
Format:linux/amd64
Unpacked file: aaefff3ab529ab233403fe23891de99217522fb371d4a505e4e8145f305b0ceb

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/860e399a-f5cb-4634-8394-7833a46c47c8/
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite botnet mirai packed upx
Link:
https://www.filescan.io/uploads/6a5f0661c6d0ad38e66cf69c/reports/a954816a-ada6-4247-b5d0-ef609bfc7253/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-21T02:58:00Z UTC
Last seen:
2026-07-21T08:36:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e72683a8-2352-4679-a72c-bb8cc07173cb
Behavior Graph:
Download SVG
%3 guuid=5e0324ba-1600-0000-bd2e-d89ee30b0000 pid=3043 /usr/bin/sudo guuid=f41d2cbc-1600-0000-bd2e-d89ee90b0000 pid=3049 /tmp/sample.bin mprotect-exec net guuid=5e0324ba-1600-0000-bd2e-d89ee30b0000 pid=3043->guuid=f41d2cbc-1600-0000-bd2e-d89ee90b0000 pid=3049 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f41d2cbc-1600-0000-bd2e-d89ee90b0000 pid=3049->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c454f8bc-1600-0000-bd2e-d89eec0b0000 pid=3052 /tmp/sample.bin guuid=f41d2cbc-1600-0000-bd2e-d89ee90b0000 pid=3049->guuid=c454f8bc-1600-0000-bd2e-d89eec0b0000 pid=3052 clone guuid=bb6b65e7-1700-0000-bd2e-d89ed60d0000 pid=3542 /tmp/sample.bin guuid=f41d2cbc-1600-0000-bd2e-d89ee90b0000 pid=3049->guuid=bb6b65e7-1700-0000-bd2e-d89ed60d0000 pid=3542 clone guuid=12a46be7-1700-0000-bd2e-d89ed70d0000 pid=3543 /tmp/sample.bin net send-data zombie guuid=f41d2cbc-1600-0000-bd2e-d89ee90b0000 pid=3049->guuid=12a46be7-1700-0000-bd2e-d89ed70d0000 pid=3543 clone guuid=d50f02bd-1600-0000-bd2e-d89eed0b0000 pid=3053 /tmp/sample.bin guuid=c454f8bc-1600-0000-bd2e-d89eec0b0000 pid=3052->guuid=d50f02bd-1600-0000-bd2e-d89eed0b0000 pid=3053 clone guuid=5a8405bd-1600-0000-bd2e-d89eee0b0000 pid=3054 /tmp/sample.bin net send-data zombie guuid=c454f8bc-1600-0000-bd2e-d89eec0b0000 pid=3052->guuid=5a8405bd-1600-0000-bd2e-d89eee0b0000 pid=3054 clone guuid=5a8405bd-1600-0000-bd2e-d89eee0b0000 pid=3054->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1350B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=5a8405bd-1600-0000-bd2e-d89eee0b0000 pid=3054->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=12a46be7-1700-0000-bd2e-d89ed70d0000 pid=3543->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1125B guuid=12a46be7-1700-0000-bd2e-d89ed70d0000 pid=3543->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/940702b8-24af-4f72-adab-9d47f3c0663b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1945610
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945610 Sample: nz.x86_64.elf Startdate: 21/07/2026 Architecture: LINUX Score: 80 22 jkqhdbbbqwiujkaz.hopto.org. [malformed] 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEM-CapeRegionalMedicalCenterIncUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 2 other signatures 2->36 8 nz.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 process4 process5 12 nz.x86_64.elf 8->12         started        14 nz.x86_64.elf 8->14         started        16 nz.x86_64.elf 8->16         started        process6 18 nz.x86_64.elf 12->18         started        20 nz.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-21 14:35:20 UTC
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=feoqgfzoa3u6sxtzjo3f3m4onda4dbejwa7g2wyaivzvbqjrthua._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/260721-gda5bahs6z/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
Malware Config
C2 Extraction:
jkqhdbbbqwiujkaz.hopto.org
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/291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8

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: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: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: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 291d03172e06e9e95e794bb65db38e68c1c18489b03e6d5b00457350c13199e8

(this sample)

Mirai

elf aaefff3ab529ab233403fe23891de99217522fb371d4a505e4e8145f305b0ceb

  
URLhaus
https://urlhaus.abuse.ch/url/3887322/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 aaefff3ab529ab233403fe23891de99217522fb371d4a505e4e8145f305b0ceb
  
Dropping
MD5 b033711b1174c807af7c54d9e32c02c4
  
URLhaus
https://urlhaus.abuse.ch/url/3878179/

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