MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f0f7da2d29a48c4a49bc12bc716111b7fd200a13c907df8b486e556b7c8fc0. 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 8 File information Comments

SHA256 hash: 42f0f7da2d29a48c4a49bc12bc716111b7fd200a13c907df8b486e556b7c8fc0
SHA3-384 hash: d5a2c1bde66b839eccaa783eef5d9706766da28654dbebc0069716bd3569fe3ae977187f992bd9d2f94e39b6f6906c3f
SHA1 hash: 403c91e131e2cfdfed0d61377529bd8d454c16c6
MD5 hash: 78090ce4253f5ae52fcda18d15869b79
humanhash: princess-bacon-illinois-nuts
File name:arm5.urbotnetisass
Download: download sample
Signature Mirai
File size:156'372 bytes
First seen:2025-09-10 21:49:18 UTC
Last seen:2025-09-11 10:25:11 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:x4lyd+0g7tUwdVbv+1l9WNJFnV7xnYPDsnGULf/h4RA:x5CtnAfyLnV7teD8LHh4RA
TLSH T132E39EC0B6205E12D5E3113BBB8B82597719075CF3EDF61A292277A8325F9650FBE6C0
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 :
2
# of downloads :
58
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm expand lolbin packed remote threat
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:
2025-09-10T15:46:00Z UTC
Last seen:
2025-09-10T15:46:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=15138bcd-1600-0000-253b-a6a8120d0000 pid=3346 /usr/bin/sudo guuid=c26092cf-1600-0000-253b-a6a8170d0000 pid=3351 /tmp/sample.bin guuid=15138bcd-1600-0000-253b-a6a8120d0000 pid=3346->guuid=c26092cf-1600-0000-253b-a6a8170d0000 pid=3351 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: 1775222 Sample: arm5.urbotnetisass.elf Startdate: 11/09/2025 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 arm5.urbotnetisass.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-10 21:50:58 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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 42f0f7da2d29a48c4a49bc12bc716111b7fd200a13c907df8b486e556b7c8fc0

(this sample)

  
Delivery method
Distributed via web download

Comments