MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f
SHA3-384 hash: 5391186f614147b37c6d09dc6810fd0cd6db59e0ceedc505af10113be27ce9670d5c17971168273e8b3ca6cbee7e5ff5
SHA1 hash: 75135e45ed0bf91c9898ecfb97315870d3baf71e
MD5 hash: 2a953c2282f3b47a233858d528c02d8c
humanhash: enemy-march-eighteen-virginia
File name:rizzx.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:56'712 bytes
First seen:2026-02-26 04:13:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:hcytpnXzuFyAKdd64SfUHBfzq9V2KK55U4149ATkrkwcASlo60iURM/BNNTWn1K2:htnjuwnVHBfeWUoorkwcASrURM
TLSH T138432881FCD2896EC6D0137AA73E368E33A1B395D2CA3617CD545B2173866CF1D66B40
telfhash t187e06140fe764b1844e75634ecdd07b49511211761664710cf54daf0883f118a31cd5e
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 e5b5d24a655b99ec545148a571be973d18bc96baa54ade0f40d16094f07b93e4
File size (compressed) :25'104 bytes
File size (de-compressed) :56'712 bytes
Format:linux/arm
Packed file: e5b5d24a655b99ec545148a571be973d18bc96baa54ade0f40d16094f07b93e4

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/a8a56d12-eac6-49b8-b1b4-1df51b14064e/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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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:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80a65d92-53a0-44a6-821e-c1551c8377d4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 04:15:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2w4zgztn7xfpz3av6tbgd5cos4nfxalid6nforvidz4obsp3mohq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260226-etwpvaav7a/
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/d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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: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 e5b5d24a655b99ec545148a571be973d18bc96baa54ade0f40d16094f07b93e4

Mirai

elf d5b993666dfdcafcec15f4c261f44e971a5b81681f9a5746a81e78e0c9fb638f

(this sample)

  
Dropped by
SHA256 e5b5d24a655b99ec545148a571be973d18bc96baa54ade0f40d16094f07b93e4
  
URLhaus
https://urlhaus.abuse.ch/url/3785867/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3785881/
  
URLhaus
https://urlhaus.abuse.ch/url/3785890/
  
Dropped by
MD5 e19a3a2db9adfe947aca844e377f9f95

Comments