MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a92eac0b86813908cc549c3567211191a5e8b826020c5baa93d3b7eda800e31d. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: a92eac0b86813908cc549c3567211191a5e8b826020c5baa93d3b7eda800e31d
SHA3-384 hash: 067606f6e7cad6f62c4e030f4524b40fd38a6eb05b4438632aa589ecd6225b562f513426373ce99949a151f7bbca0a1e
SHA1 hash: 0a8030669476c2d0f7a5e53079bb56a9586a688c
MD5 hash: 5287365d0e72b101d13aad3ac9c63471
humanhash: black-winter-connecticut-four
File name:windy.arm
Download: download sample
Signature Mirai
File size:41'636 bytes
First seen:2025-10-18 16:11:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:D7oU/wnvDrWgtOlcv65hzwL6JXfviUGhIGAu5uY16oxbJs3Uozco:fj/wnW2OlVr8WVfanhtAu4YsoxbUzJ
TLSH T16213F1E33056BC2356F058F8DAE80003167797F9BB787D778B60062F77552EAA4B0922
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) :92'256 bytes
Format:linux/arm
Unpacked file: f933272a7b87fb087f574876d825633928548e7e7c7757a7c32d9c6c928c4255

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T13:28:00Z UTC
Last seen:
2025-10-19T10:15:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=4668a3ce-1900-0000-1721-7e77700a0000 pid=2672 /usr/bin/sudo guuid=cf3910d1-1900-0000-1721-7e77770a0000 pid=2679 /tmp/sample.bin guuid=4668a3ce-1900-0000-1721-7e77700a0000 pid=2672->guuid=cf3910d1-1900-0000-1721-7e77770a0000 pid=2679 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797663 Sample: windy.arm.elf Startdate: 18/10/2025 Architecture: LINUX Score: 60 26 mirailoversddos.duckdns.org. [malformed] 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Sample is packed with UPX 2->34 8 windy.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 36 Sends malformed DNS queries 26->36 38 Uses dynamic DNS services 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:
2025-10-18 16:25:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
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 a92eac0b86813908cc549c3567211191a5e8b826020c5baa93d3b7eda800e31d

(this sample)

  
Delivery method
Distributed via web download

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