MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a699c766879653efe2f16d754201b7e97d6d221aa69863a140f656e8c405c9aa. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: a699c766879653efe2f16d754201b7e97d6d221aa69863a140f656e8c405c9aa
SHA3-384 hash: 199ce1b572b72850c52a46d7b8c6a0e586e84bd42089ba2ad3c5ecdc0b570b0503a0f2e3fb4b0ab7a506c17b15977e23
SHA1 hash: 3ae24ceac5e99654075d1bc46b4c14c85618d0f2
MD5 hash: fe50e8b6fa10c3be5c696250e34dcd28
humanhash: diet-black-steak-oxygen
File name:telnetd
Download: download sample
Signature Mirai
File size:113'972 bytes
First seen:2025-07-14 23:54:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:kms8cNzBKVo5m7f29OcejFXXpVNO0w9hDna+2JZQ+apb6/hsMp0WTlm:u994o5m7f2UBjjanB2JSbchbT4
TLSH T1A1B30806EF544EFBD86FDD3306A90B0534CC459716A93B767A74C828FA4A50F0AE3CA4
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 :
23
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated
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=9ca04049-1900-0000-ea03-d98d590a0000 pid=2649 /usr/bin/sudo guuid=71418e4b-1900-0000-ea03-d98d600a0000 pid=2656 /tmp/sample.bin guuid=9ca04049-1900-0000-ea03-d98d590a0000 pid=2649->guuid=71418e4b-1900-0000-ea03-d98d600a0000 pid=2656 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: 1736605 Sample: telnetd.elf Startdate: 15/07/2025 Architecture: LINUX Score: 56 36 207.92.217.222 WINDSTREAMUS United States 2->36 38 109.242.209.202 WIND-ASGR Greece 2->38 40 99 other IPs or domains 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Connects to many ports of the same IP (likely port scanning) 2->44 9 telnetd.elf 2->9         started        signatures3 process4 process5 11 telnetd.elf 9->11         started        process6 13 telnetd.elf sh 11->13         started        15 telnetd.elf sh 11->15         started        17 telnetd.elf sh 11->17         started        19 59 other processes 11->19 process7 21 sh killall 13->21         started        24 sh killall 15->24         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 19->30         started        32 sh killall 19->32         started        34 56 other processes 19->34 signatures8 46 Terminates several processes with shell command 'killall' 21->46
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-07-14 23:55:22 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
Contacts a large (744) amount of remote hosts
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7640011-0
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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 a699c766879653efe2f16d754201b7e97d6d221aa69863a140f656e8c405c9aa

(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