MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b476667858ae5fe2a20c429a8aa8ec77317efcc6ed1518a59a6e5c46c2deef73. 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 9 File information Comments

SHA256 hash: b476667858ae5fe2a20c429a8aa8ec77317efcc6ed1518a59a6e5c46c2deef73
SHA3-384 hash: 044ccb72ca7d07c72c8bf17bfb9736d5ec6a8820ad72f4e45fd32ee6dcff2d023c6495a26009a89f335a584e760bd233
SHA1 hash: a977708f6bf58eb0bbd43595e0aa8b600de0a242
MD5 hash: 28e186519a24b61528eb1943fa8269fd
humanhash: nebraska-south-december-jupiter
File name:bot.arm
Download: download sample
Signature Mirai
File size:137'984 bytes
First seen:2025-08-07 15:55:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:DeIIcq87ZO8VQzlHaW4UAGuXlFFAeSz4VAZJsTgVYYgBna2/AbdjlifIwywmFfbS:CIIif04UcVFFM4UiMVYYgnobKZGvQb
TLSH T1B5D31945F8404F23C6D612B7FB5E428D7B2A17E8D3EE72039D216F60378695B0E3A646
telfhash t1ae1102bc4f5c4d8c97d0dc81c28e62223a7976b9fd292813886a9f09c1538e1743742a
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
50
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=30f8d0c1-1a00-0000-9240-36f5c50c0000 pid=3269 /usr/bin/sudo guuid=56841cc6-1a00-0000-9240-36f5cb0c0000 pid=3275 /tmp/sample.bin guuid=30f8d0c1-1a00-0000-9240-36f5c50c0000 pid=3269->guuid=56841cc6-1a00-0000-9240-36f5cb0c0000 pid=3275 execve
Result
Threat name:
Gafgyt, Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1752500 Sample: bot.arm.elf Startdate: 07/08/2025 Architecture: LINUX Score: 100 18 botnetszx.duckdns.org 2->18 20 botnetszx.duckdns.org 167.172.79.24, 43957 DIGITALOCEAN-ASNUS United States 2->20 22 34.243.160.129, 443 AMAZON-02US United States 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 32 4 other signatures 2->32 8 bot.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 30 Uses dynamic DNS services 18->30 process4 process5 14 bot.arm.elf 8->14         started        process6 16 bot.arm.elf 14->16         started       
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-07 08:17:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Malware Config
C2 Extraction:
botnetszx.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b476667858ae5fe2a20c429a8aa8ec77317efcc6ed1518a59a6e5c46c2deef73

(this sample)

Comments