MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9e1f7c80c5d7152f3d35a6126c82ff55e486d7091776485fcc370bc7e49734. 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 8 File information Comments

SHA256 hash: bf9e1f7c80c5d7152f3d35a6126c82ff55e486d7091776485fcc370bc7e49734
SHA3-384 hash: eca2c0c9bdd187a1769434ad8919b160ec2d543894dff48f183fa50345e43c433c15d25363b6d3a52918c5ce2968dc23
SHA1 hash: 6974ba2ba85b6b6c915a07e4e947af0530860206
MD5 hash: 6cb77f249fb1b3f988558aabfa66890d
humanhash: sierra-mango-saturn-dakota
File name:windy.mpsl
Download: download sample
Signature Mirai
File size:117'968 bytes
First seen:2026-01-12 11:19:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:bdub7djS5HECz6Qb1ShRhFczcmVRh865xH:bdo7djS5ECXSozcmVRbH
TLSH T1F2B3E709EF611EF7E8AFCD370AF9270124CD592A22A97F757530D818B24A28F15E3974
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 e92795e5c1b34a77a7233a5d184e29fb7149c120a05c3d105c998e2be63a2b42
File size (compressed) :44'604 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mipsel
Packed file: e92795e5c1b34a77a7233a5d184e29fb7149c120a05c3d105c998e2be63a2b42

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
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
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T09:38:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=722311bc-1a00-0000-4272-d9c17a0b0000 pid=2938 /usr/bin/sudo guuid=8eb568be-1a00-0000-4272-d9c17c0b0000 pid=2940 /tmp/sample.bin guuid=722311bc-1a00-0000-4272-d9c17a0b0000 pid=2938->guuid=8eb568be-1a00-0000-4272-d9c17c0b0000 pid=2940 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848981 Sample: windy.mpsl.elf Startdate: 12/01/2026 Architecture: LINUX Score: 72 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 windy.mpsl.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 windy.mpsl.elf 8->12         started        14 windy.mpsl.elf 8->14         started        16 windy.mpsl.elf 8->16         started        process6 18 windy.mpsl.elf 12->18         started        20 windy.mpsl.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-12 11:22:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
202.1.31.175
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 bf9e1f7c80c5d7152f3d35a6126c82ff55e486d7091776485fcc370bc7e49734

(this sample)

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