MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf0617c8eb0d23754ee49c36c72e01c06d256a3782cee83b5b500b80aa6b92b. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 8bf0617c8eb0d23754ee49c36c72e01c06d256a3782cee83b5b500b80aa6b92b
SHA3-384 hash: 7c98c059ad178a356420c7d5ae7d20222e8ad5b8afa5c1047197d13c00c9bd4e0c770b1f30e9bef7d2a3725526895a9c
SHA1 hash: baa24baeff643c4987a700cf78ac9b3c4f174bab
MD5 hash: b1e5cd6656d464d23fe45ad11bf71c6e
humanhash: rugby-spring-blue-massachusetts
File name:nklarm5
Download: download sample
Signature Mirai
File size:52'432 bytes
First seen:2025-03-10 01:46:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:gz/VLG4Kc9tJRaY/39XHSxFjqRsQo8CZya5NPWgt5tA1xz9NsI4X0s46gl:WVatk39XwjqSvZya5Fjt5AZM
TLSH T152330795B8828A13C6D013BBFA2E419C332163F8E2DF3207DD216F51779A81F0EA7655
telfhash t18531ab66ed9d0bac27e0c34486ce156a89e831fc0311676defae6f1b01539d1328e43b
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 :
89
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1633200 Sample: nklarm5.elf Startdate: 10/03/2025 Architecture: LINUX Score: 52 14 watchmepull.dyn. [malformed] 2->14 16 69.1.16.28 WOW-INTERNETUS United States 2->16 18 101 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 8 nklarm5.elf 2->8         started        signatures3 22 Sends malformed DNS queries 14->22 process4 process5 10 nklarm5.elf 8->10         started        process6 12 nklarm5.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-03-10 01:47:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (186162) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
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:Linux_Generic_Threat_d94e1020
Author:Elastic Security
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 8bf0617c8eb0d23754ee49c36c72e01c06d256a3782cee83b5b500b80aa6b92b

(this sample)

  
Delivery method
Distributed via web download

Comments