MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f33ab142044a4d48853d92c9e7c714ec32b3dfd639dbe15d7ec97022bc868b4. 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 3 File information Comments

SHA256 hash: 0f33ab142044a4d48853d92c9e7c714ec32b3dfd639dbe15d7ec97022bc868b4
SHA3-384 hash: e120c4c60ce76fc4e6df274bffb8d63840cf687bf196d1dcaa1ed17dfb1e4050a4cdd514968535cdbdd2654b77afea03
SHA1 hash: 3e8f1325f8e2ec6f4695c42ea847f563d5b81278
MD5 hash: e376a6c43c38c5ccb6f2ac723b0321fb
humanhash: nebraska-whiskey-louisiana-monkey
File name:telnetd
Download: download sample
Signature Mirai
File size:126'736 bytes
First seen:2025-07-19 23:35:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8osCO3iU2NGKU17JCPFbLqF6C9rqF3VdnWUzCgD9Z56Xx/Aijw+z7bNzmWQV6:8mNGh1br6l8UX9GqIFNz9QV6
TLSH T1D8C3E506FF600EFBD8AFDE3705AA0A4524CC555722A93F36B674C928FA4A50F09D3D64
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a file
Runs as daemon
Opens a port
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
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
Status:
terminated
Behavior Graph:
%3 guuid=5661c586-1900-0000-471d-5c46660c0000 pid=3174 /usr/bin/sudo guuid=d1d60d89-1900-0000-471d-5c46670c0000 pid=3175 /tmp/sample.bin guuid=5661c586-1900-0000-471d-5c46660c0000 pid=3174->guuid=d1d60d89-1900-0000-471d-5c46670c0000 pid=3175 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740245 Sample: telnetd.elf Startdate: 20/07/2025 Architecture: LINUX Score: 56 41 31.24.96.85 WORK-ASNworkInternetInformationssystemeGmbHDE Germany 2->41 43 115.76.196.253 VIETEL-AS-APViettelGroupVN Viet Nam 2->43 45 98 other IPs or domains 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Connects to many ports of the same IP (likely port scanning) 2->49 10 telnetd.elf 2->10         started        signatures3 process4 process5 12 telnetd.elf 10->12         started        process6 14 telnetd.elf 12->14         started        16 telnetd.elf 12->16         started        process7 18 telnetd.elf sh 14->18         started        20 telnetd.elf sh 14->20         started        22 telnetd.elf sh 14->22         started        24 75 other processes 14->24 process8 26 sh killall 18->26         started        29 sh killall 20->29         started        31 sh killall 22->31         started        33 sh killall 24->33         started        35 sh killall 24->35         started        37 sh killall 24->37         started        39 72 other processes 24->39 signatures9 51 Terminates several processes with shell command 'killall' 26->51
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-07-19 23:36:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Writes memory of remote process
Contacts a large (93820) amount of remote hosts
Creates a large amount of network flows
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 0f33ab142044a4d48853d92c9e7c714ec32b3dfd639dbe15d7ec97022bc868b4

(this sample)

  
Delivery method
Distributed via web download

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