MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1bb22f212902bebe68dfd700ec35da759169060b9ff62bac552037dde65d728. 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 2 File information Comments

SHA256 hash: a1bb22f212902bebe68dfd700ec35da759169060b9ff62bac552037dde65d728
SHA3-384 hash: c6e7b40f17f5396e90564c766fe3d7dba206325031a381dc987546ff227236fa8a2dd8d4bb7326a101be32f4326f1666
SHA1 hash: b7be8f9060cf45646a67526e444e9aa61f890fa4
MD5 hash: cdb5c55a70b7c276134b411695764d27
humanhash: mexico-speaker-carolina-pasta
File name:windy.arm
Download: download sample
Signature Mirai
File size:41'636 bytes
First seen:2026-01-12 11:18:51 UTC
Last seen:2026-01-13 06:24:57 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:8iifDEdlpr8S3nuzKg+t452i37d1ywo9y+dS/m3tU+7UejVJHAcIvs3UozS:eDQVq1xkt4O9U+7VVlArizS
TLSH T17B13F13A4AEE7DA2CB361C31F66A5F8636878FADD161343EB95E113C1A4224665F8103
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) :41'636 bytes
File size (de-compressed) :92'240 bytes
Format:linux/arm
Unpacked file: ada3488700c1af5afce6151225a41ac99be9c6adf1a5833ab57bf3bf859491d7

Intelligence


File Origin
# of uploads :
2
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848996 Sample: windy.arm.elf Startdate: 12/01/2026 Architecture: LINUX Score: 64 26 202.1.31.175. [malformed] 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 3 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 windy.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 9 other processes 2->14 signatures3 38 Sends malformed DNS queries 26->38 process4 process5 16 windy.arm.elf 8->16         started        18 windy.arm.elf 8->18         started        20 windy.arm.elf 8->20         started        process6 22 windy.arm.elf 16->22         started        24 windy.arm.elf 16->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-12 11:21:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 a1bb22f212902bebe68dfd700ec35da759169060b9ff62bac552037dde65d728

(this sample)

  
Delivery method
Distributed via web download

Comments