MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba
SHA3-384 hash: 14e5ce3d066ba33d4e0fd4195d643c070b82f5a159817373ed312bcc015523319966b5585573356f1e67a7dbf54dc7c8
SHA1 hash: 7f738621a985609a32f385af58840fe097d45ec3
MD5 hash: 256d36c85aac9cdb526101294d574ea6
humanhash: cup-happy-cardinal-triple
File name:Orbt.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:88'964 bytes
First seen:2026-01-18 15:12:47 UTC
Last seen:2026-01-18 20:26:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:U3bm0Hb6JQYodl9O+fhnz/8sCJCkLYWoM2cJxIKDiAzWm:kbhHb6JQY+rhA7LYSJxviAb
TLSH T191931241826B44E2A7A24475D7205ADD992F07BCF5F9384C7C3348C2F8B62B88B79D13
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) :88'964 bytes
File size (de-compressed) :247'431 bytes
Format:linux/arm
Unpacked file: d30aac41770097e43546c449fb3aacb6cc1536ae6625009ef0b341a43ee53476

Intelligence

File Origin
# of uploads :
3
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6e9be39c-34bd-49b0-8ed5-ca875c6a3235/
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/696cf898584f1963ad5a1458/reports/e179e79d-809e-4aa9-b0c6-5c55ceacebbe/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/83d2b355-eaa5-4ecc-91be-0b527275e3b0
Behavior Graph:
Download SVG
%3 guuid=d8f21b6b-1900-0000-9f8b-64dda70b0000 pid=2983 /usr/bin/sudo guuid=6760756d-1900-0000-9f8b-64ddad0b0000 pid=2989 /tmp/sample.bin guuid=d8f21b6b-1900-0000-9f8b-64dda70b0000 pid=2983->guuid=6760756d-1900-0000-9f8b-64ddad0b0000 pid=2989 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b6a15cc-3cfe-482d-ba6d-bbaaa64cdd1f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1852843
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852843 Sample: Orbt.arm7.elf Startdate: 18/01/2026 Architecture: LINUX Score: 60 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->28 30 2 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 Orbt.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 Orbt.arm7.elf 8->16         started        18 Orbt.arm7.elf 8->18         started        20 Orbt.arm7.elf 8->20         started        process6 22 Orbt.arm7.elf 16->22         started        24 Orbt.arm7.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wr5xmjs6cus576ni3hdxdjax2qqixlq62wl4np225ddqr2k4so5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260118-sly2wsgw8b/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8ccc9c06-dacb-4707-ad8e-fd99dc20e1e5
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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 b47b76265e1525dff9a8d9c771a417d4208bae1ed597c6bf5ae8c708e95c93ba

(this sample)

Mirai

elf d30aac41770097e43546c449fb3aacb6cc1536ae6625009ef0b341a43ee53476

  
URLhaus
https://urlhaus.abuse.ch/url/3684960/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 d30aac41770097e43546c449fb3aacb6cc1536ae6625009ef0b341a43ee53476
  
Dropping
MD5 3346817b1146adc2a75b8ee9829e9d10
  
URLhaus
https://urlhaus.abuse.ch/url/3759906/

Comments