MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f933272a7b87fb087f574876d825633928548e7e7c7757a7c32d9c6c928c4255. 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

SHA256 hash: f933272a7b87fb087f574876d825633928548e7e7c7757a7c32d9c6c928c4255
SHA3-384 hash: 9acf191f207abed5a403ec3b6141c96da363cd2c9b0c1922668a4d808881748e5260b6503429bd04f3b44d4f2c1cffe6
SHA1 hash: 13d8396aeee16e6e5075fae1a3ef465a0c29fccb
MD5 hash: 34ca0cb325531cb57405bbcc71c1ccb6
humanhash: six-pluto-lemon-blossom
File name:windy.arm
Download: download sample
Signature Mirai
File size:92'256 bytes
First seen:2025-10-18 16:13:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:tOd4vdGhFbQFFKyELib8jPWL4nteyXffdqs8amv9+w:tOd4vOFkvYzjPi4nNPb49+w
TLSH T199934B45FC919A12C6D5137BFB2E228E372663A4E2DE3203DE156F22338659B0D7B741
telfhash t11151f0f6eb900ecc2bd8924482de752d4fed316e17052497d65caf8f98439c2b12e827
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 a92eac0b86813908cc549c3567211191a5e8b826020c5baa93d3b7eda800e31d
File size (compressed) :41'636 bytes
File size (de-compressed) :92'256 bytes
Format:linux/arm
Packed file: a92eac0b86813908cc549c3567211191a5e8b826020c5baa93d3b7eda800e31d

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T14:35:00Z UTC
Last seen:
2025-10-19T04:47:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Antivirus / Scanner detection for submitted sample
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797647 Sample: windy.arm.elf Startdate: 18/10/2025 Architecture: LINUX Score: 52 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 4 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 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 34 Uses dynamic DNS services 26->34 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.Worm.Mirai
Status:
Malicious
First seen:
2025-10-18 16:34:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 f933272a7b87fb087f574876d825633928548e7e7c7757a7c32d9c6c928c4255

(this sample)

  
Delivery method
Distributed via web download

Comments