MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591
SHA3-384 hash: 5740586b0aa127fe769a4e9cec54be13f16a2bdcae8d2b25c6a648840ffa7e1a297b7f2f4bbf307d36872099429e0d68
SHA1 hash: b4fe89dd03e59d6e62e292d325842fe83e6fff11
MD5 hash: f5f12f2851f94f957390d45c7f6dbf6d
humanhash: sad-enemy-october-fix
File name:nz.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:92'252 bytes
First seen:2026-07-21 05:58:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:m/t28jGKZPApdaOmghb87P+L0T5OWXffdyDKmvZq:ml28HZIT+77PK0TVP0Zq
TLSH T15F933B45FD819612C6D113BBFB2E328E372663A4D2DA3203DE256F22338659B0D7B751
telfhash t13151d1f6ef900edc2bd8828482de652d4fed356e17052457d61c7b4f94839c6b12d82b
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 896700e89222787a983c34556c488d3f97e7a71126e25f8decb91ab9680a3bfe
File size (compressed) :41'668 bytes
File size (de-compressed) :92'252 bytes
Format:linux/arm
Packed file: 896700e89222787a983c34556c488d3f97e7a71126e25f8decb91ab9680a3bfe

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/fa262c7e-0685-4fbc-905d-35d46bf252fc/
Detection(s):
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-10059006-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/6a5f0abe51b920655dc49bdf/reports/839f09e4-81e9-4143-8940-139f66bc49b1/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-21T03:10:00Z UTC
Last seen:
2026-07-22T23:43:00Z 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/d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/730d2e15-9b49-4cfd-999a-d6667d245388
Behavior Graph:
Download SVG
%3 guuid=48f618f6-1a00-0000-5bca-4aff7f0b0000 pid=2943 /usr/bin/sudo guuid=8443d7f8-1a00-0000-5bca-4aff850b0000 pid=2949 /tmp/sample.bin guuid=48f618f6-1a00-0000-5bca-4aff7f0b0000 pid=2943->guuid=8443d7f8-1a00-0000-5bca-4aff850b0000 pid=2949 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/660e3c7c-0c2b-4107-a047-1f82468500b8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1945626
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945626 Sample: nz.arm.elf Startdate: 21/07/2026 Architecture: LINUX Score: 64 22 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->22 24 jkqhdbbbqwiujkaz.hopto.org 41.216.189.236, 69 PRIVATEHOSTING-NETIT Germany 2->24 26 daisy.ubuntu.com 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 nz.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 nz.arm.elf 8->12         started        14 nz.arm.elf 8->14         started        16 nz.arm.elf 8->16         started        process6 18 nz.arm.elf 12->18         started        20 nz.arm.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-21 06:02:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3eq6udwy2r65gscpfi6n24qirg7fxt756c7nxy25xybnziebywiq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet
Link:
https://tria.ge/reports/260721-gpvm4af18r/
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/d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591

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 researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 896700e89222787a983c34556c488d3f97e7a71126e25f8decb91ab9680a3bfe

Mirai

elf d921ea0ed8d47dd3484f2a3cdd720889be5bcffdf0bedbe35dbe02dca081c591

(this sample)

  
Dropped by
SHA256 896700e89222787a983c34556c488d3f97e7a71126e25f8decb91ab9680a3bfe
  
URLhaus
https://urlhaus.abuse.ch/url/3887328/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 61a7261ab418ca97440524e159543c56
  
URLhaus
https://urlhaus.abuse.ch/url/3878176/

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