MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3457dbbacf31d2a98471b373e110c1eb0fafcb88f41bc62c8f78025c623f5b2. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3457dbbacf31d2a98471b373e110c1eb0fafcb88f41bc62c8f78025c623f5b2
SHA3-384 hash: 8201531d88d99bda763c7c18354909e725e1963761c9c5ee0893d033927482bf8bb16ce2831138527552278252a0c1cd
SHA1 hash: e3291556557604774c5cba0334c60d6800d54a66
MD5 hash: b2d7d55636fcf9b8db7c36784bef994c
humanhash: hamper-solar-california-east
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:60'428 bytes
First seen:2025-11-30 17:14:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CMiUKokw7kSjA8G38MttKO+5hJfEPj5ITBtVTcuTcUeU1:xiXjGkSU35ttKzvJMPjeBtVvsI
TLSH T1D2430241DB789613611AD138E36EFF24A13C4641F3508D0F0AE55ACDE317A9E7723D98
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) :60'428 bytes
File size (de-compressed) :134'720 bytes
Format:linux/arm
Unpacked file: c2ada55e115ba50e9b7e70c6b4eced5c726ab2ca30ba5dc8aca0d081f3b1ac6c

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Detection(s):
Unix.Trojan.Mirai-9885348-0
Create hunting rule

Unix.Dropper.Mirai-9987455-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/692c7ba6d0d5e7288b519eb1/reports/b4c8617c-4248-44b9-b7f5-f3bf7ffbd0c4/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
true
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
19
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3457dbbacf31d2a98471b373e110c1eb0fafcb88f41bc62c8f78025c623f5b2
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2de83fb4-d71c-40e1-ba2d-e4b8c8d03db8
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1823126
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823126 Sample: arm4.elf Startdate: 30/11/2025 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 daisy.ubuntu.com 162.213.35.24, 38408, 443 CANONICAL-ASGB United States 2->16 18 2 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Sample is packed with UPX 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 arm4.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3457dbbacf31d2a98471b373e110c1eb0fafcb88f41bc62c8f78025c623f5b2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3457dbbacf31d2a98471b373e110c1eb0fafcb88f41bc62c8f78025c623f5b2/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-30 17:15:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wncx3o5m6mosvgchdm3t4eimd2ypv7fyr5a3yywi66aclrrd6wza._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/251130-vsn7da1jhm/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885348-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3c294319-a939-423b-afa5-d691258f360d
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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 b3457dbbacf31d2a98471b373e110c1eb0fafcb88f41bc62c8f78025c623f5b2

(this sample)

Mirai

elf c2ada55e115ba50e9b7e70c6b4eced5c726ab2ca30ba5dc8aca0d081f3b1ac6c

  
URLhaus
https://urlhaus.abuse.ch/url/3718927/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c2ada55e115ba50e9b7e70c6b4eced5c726ab2ca30ba5dc8aca0d081f3b1ac6c
  
Dropping
MD5 2ff977428134d80c88115024861cdc12

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