MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ada71d83e1537052d85ce47384304c7c63deed7fc56d6ff9940a01e42e599fd. 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 5 File information Comments

SHA256 hash: 5ada71d83e1537052d85ce47384304c7c63deed7fc56d6ff9940a01e42e599fd
SHA3-384 hash: a94091769535a5042d05a63071ee41afea3f85f4a5bd20dab0025f4892e57ceb4e17ad21b08216d6bd2163127c47dd62
SHA1 hash: fce942e6d3750841beb158c317d5b4ca97cb61e6
MD5 hash: 1e9a52fa8c6966aea73896c17f96c7b7
humanhash: december-network-failed-one
File name:well.mips
Download: download sample
Signature Mirai
File size:59'716 bytes
First seen:2025-08-27 17:16:45 UTC
Last seen:2025-08-27 19:16:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:S1EUYPffLL0YuQ3dbAhFHoC/2W7jBSN5SZ4W+VJu6:6ElfLQQyhFIK2HN5AN+VQ6
TLSH T1824302586B0248C5D8B5C0FE8F7A4BD218351D57ED41ED0AF886EEE1ACCA66E3095EC4
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) :59'716 bytes
File size (de-compressed) :204'416 bytes
Format:linux/mips
Unpacked file: 27d8efa2cfc51a65162527499dd46b5854d77be5b02b6c9ee34b6558702f24eb

Intelligence


File Origin
# of uploads :
3
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 84.200.81.239:1312
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=8b3a57b0-1800-0000-e28f-7ce8570a0000 pid=2647 /usr/bin/sudo guuid=1d4551b2-1800-0000-e28f-7ce85d0a0000 pid=2653 /tmp/sample.bin guuid=8b3a57b0-1800-0000-e28f-7ce8570a0000 pid=2647->guuid=1d4551b2-1800-0000-e28f-7ce85d0a0000 pid=2653 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1766425 Sample: well.mips.elf Startdate: 27/08/2025 Architecture: LINUX Score: 72 24 213.222.15.116 XS4ALL-NLAmsterdamNL Netherlands 2->24 26 80.126.238.124 XS4ALL-NLAmsterdamNL Netherlands 2->26 28 98 other IPs or domains 2->28 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 well.mips.elf 2->8         started        signatures3 process4 process5 10 well.mips.elf 8->10         started        12 well.mips.elf 8->12         started        15 well.mips.elf 8->15         started        signatures6 17 well.mips.elf 10->17         started        20 well.mips.elf 10->20         started        22 well.mips.elf 10->22         started        40 Sample tries to kill multiple processes (SIGKILL) 12->40 process7 signatures8 30 Sample tries to kill multiple processes (SIGKILL) 17->30
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-27 17:20:47 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (165748) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 5ada71d83e1537052d85ce47384304c7c63deed7fc56d6ff9940a01e42e599fd

(this sample)

  
Delivery method
Distributed via web download

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