MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a28ba2c86793fdc59244babe507f419e4cfa658bd61a5dd178ae090a5e795984. 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 10 File information Comments

SHA256 hash: a28ba2c86793fdc59244babe507f419e4cfa658bd61a5dd178ae090a5e795984
SHA3-384 hash: c36c5729203d6c6753f52542fcb53dd89911d03465487f91deb47fa90301d196ebd3fbaee402e50b69f373a08141fb3b
SHA1 hash: f04f91954e5384d16bd87f1de71106b1c624fc44
MD5 hash: afa3d08941f2f6ab594542d8f4ded642
humanhash: mobile-carpet-blue-dakota
File name:arm.urbotnetisass
Download: download sample
Signature Mirai
File size:198'428 bytes
First seen:2025-10-12 04:35:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:veCXE2OCgQ3KwxRMhb/hrccsGIXTC+b8oo92tMI5qOpjnubAgyARA:vDXE2O/Q2b/ylGAGUT5MIcOpQAwRA
TLSH T11E149EC5B6346E12D8E3147BB75B424C370A1358E3EEF6062D526BE9724F8260BBD6D0
telfhash t114219d54850c18ecb6e14856c4ffb126358c71bd2e126c65aaeeac4f98320d5783040e
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 :
94
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm expand lolbin rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-12T02:41:00Z UTC
Last seen:
2025-10-12T03:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=31cd8877-1900-0000-5017-cef2d5100000 pid=4309 /usr/bin/sudo guuid=a94ab379-1900-0000-5017-cef2dc100000 pid=4316 /tmp/sample.bin guuid=31cd8877-1900-0000-5017-cef2d5100000 pid=4309->guuid=a94ab379-1900-0000-5017-cef2dc100000 pid=4316 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793482 Sample: arm.urbotnetisass.elf Startdate: 12/10/2025 Architecture: LINUX Score: 80 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Gafgyt 2->24 26 Yara detected Mirai 2->26 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 arm.urbotnetisass.elf 2->12         started        signatures3 process4
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-10-12 04:36:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Mirai_Unpack
Rule name:Qbot_Gafgyt_Bashlite
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a28ba2c86793fdc59244babe507f419e4cfa658bd61a5dd178ae090a5e795984

(this sample)

  
Delivery method
Distributed via web download

Comments