MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71c4c735861f35ed4b7ed9c75b5c4f89bd4c71f2d70f287f5f9d0b113ad5a667. 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 1 File information Comments

SHA256 hash: 71c4c735861f35ed4b7ed9c75b5c4f89bd4c71f2d70f287f5f9d0b113ad5a667
SHA3-384 hash: 015c7826c9a6f2ca2feca2ccf9afeb82dac202d4246e0245aacfb780f6b37acf8aa2e8dfe1bf9c4bc859bc56d1c3cc77
SHA1 hash: f9d217ff05787659ea65277423210b40964e6585
MD5 hash: 5e7253073feb9d2c9c6cac939d268605
humanhash: apart-vegan-yellow-winner
File name:nabmips
Download: download sample
Signature Mirai
File size:51'880 bytes
First seen:2025-03-06 01:41:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:oFcd7FeDfdgTFlAHJ9YbpVJXqU7fBwDsi1VJJodoeoxaoyotaoQj4YoYn79BTJEg:ci7FsfO8efGMj4079BlEwEl8t3kVc3
TLSH T16533631D2E328FADF76C823497B74E219759339536E0C684E2ACF9051E7034D646FBA8
telfhash t1e001f61c853813f197856cada7fdff76d45240df4a265f378e00fa6a9b60a465e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
109
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Information Gathering
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:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1630586 Sample: nabmips.elf Startdate: 06/03/2025 Architecture: LINUX Score: 56 18 watchmepull.dyn. [malformed] 2->18 20 46.135.74.204 VODAFONE-CZ-ASCZ Czech Republic 2->20 22 101 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Uses known network protocols on non-standard ports 2->26 8 nabmips.elf 2->8         started        signatures3 28 Sends malformed DNS queries 18->28 process4 process5 10 nabmips.elf 8->10         started        process6 12 nabmips.elf 10->12         started        14 nabmips.elf 10->14         started        16 nabmips.elf 10->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-03-06 01:42:16 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (14698) amount of remote hosts
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: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 71c4c735861f35ed4b7ed9c75b5c4f89bd4c71f2d70f287f5f9d0b113ad5a667

(this sample)

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments