MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87673d144d56ae729f61d57c4c51f626dde9df23e918cd39f7d87fce600a9c51. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 87673d144d56ae729f61d57c4c51f626dde9df23e918cd39f7d87fce600a9c51
SHA3-384 hash: d32b09c65e6b40b5ebd1ff031b6306e9d623ddd2b0365fbf9964e7f74685ad39d856e767c7ee18b1abd12a643966cba0
SHA1 hash: c0cbcbb4e4ba7a3ed63d7f61567d820e94f48602
MD5 hash: df705732bf9f80200e23eff7e4623cbd
humanhash: autumn-nevada-sodium-echo
File name:micro.arm7
Download: download sample
Signature Mirai
File size:61'244 bytes
First seen:2026-05-15 19:08:05 UTC
Last seen:2026-05-16 13:10:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:rk6F6cP0Fnaz1a9vmLxLT9k/igPE9nEgZ:h6PFaKmNLxkayoEgZ
TLSH T18D53026F75892ED2C87C0E37B62B4D863A930F3066247399974964E4BFDD04A163C3C2
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) :61'244 bytes
File size (de-compressed) :165'741 bytes
Format:linux/arm
Unpacked file: cdbbeac654f40d55e67444e975483676713226f5c745e79d5e9f5a4c4ad0643e

Intelligence


File Origin
# of uploads :
2
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 217.60.245.90:1337
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-15T16:15:00Z UTC
Last seen:
2026-05-15T16:53:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=3374e50f-1b00-0000-5a2f-9f67300c0000 pid=3120 /usr/bin/sudo guuid=e00dfa11-1b00-0000-5a2f-9f67370c0000 pid=3127 /tmp/sample.bin guuid=3374e50f-1b00-0000-5a2f-9f67300c0000 pid=3120->guuid=e00dfa11-1b00-0000-5a2f-9f67370c0000 pid=3127 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-15 19:08:56 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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: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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 87673d144d56ae729f61d57c4c51f626dde9df23e918cd39f7d87fce600a9c51

(this sample)

  
Delivery method
Distributed via web download

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