MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3875854d455569dfdfd9bdc6e1a518522cc8246ae4612d450d104e27c6531fe. 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 2 File information Comments

SHA256 hash: b3875854d455569dfdfd9bdc6e1a518522cc8246ae4612d450d104e27c6531fe
SHA3-384 hash: 19d16182696b6097ff6ab602a0de45c30926f62c0b22290dd7c32bdb49287ef5fd7288159a191ba7d0de9b9c39916005
SHA1 hash: 64811aaf21f08bdbf2e922a9a09c652e7f96cc9d
MD5 hash: 9f33386db44f992fa9363129f283d268
humanhash: king-uniform-alpha-pluto
File name:arm6
Download: download sample
Signature Mirai
File size:44'436 bytes
First seen:2025-10-18 16:02:11 UTC
Last seen:2025-10-18 18:16:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:9cc5O41P/riNQnvCz8kZIwb1nUqyUo+I3VyPUDjEhkIb/dyg9q3UELjv:9lOW/rZnvg8kZHUqyUo+I3rD2FKLD
TLSH T19513F22D0D143C42C7B11EF5A8C9A18AAEAB2FFA517FD3F24765401CC6F2681EF59461
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) :44'436 bytes
File size (de-compressed) :96'696 bytes
Format:linux/arm
Unpacked file: 293c273b06aaf12627d5814495fd41a286ff1a85d8d5be1979b26cb359708595

Intelligence


File Origin
# of uploads :
3
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-18T13:09:00Z UTC
Last seen:
2025-10-19T10:15:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=519b0e69-1900-0000-05d7-f343690b0000 pid=2921 /usr/bin/sudo guuid=527b486b-1900-0000-05d7-f3436d0b0000 pid=2925 /tmp/sample.bin guuid=519b0e69-1900-0000-05d7-f343690b0000 pid=2921->guuid=527b486b-1900-0000-05d7-f3436d0b0000 pid=2925 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797709 Sample: arm6.elf Startdate: 18/10/2025 Architecture: LINUX Score: 76 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 2 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 26 Sample is packed with UPX 2->26 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 arm6.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-18 16:09:58 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 discovery upx
Behaviour
Reads runtime system information
Mirai
Mirai family
Malware Config
C2 Extraction:
convac123.duckdns.org
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 b3875854d455569dfdfd9bdc6e1a518522cc8246ae4612d450d104e27c6531fe

(this sample)

  
Delivery method
Distributed via web download

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