MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3fa1902934e771c26d435e75d77005ba869f9a903f36e60a15470b017bfccb0. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: d3fa1902934e771c26d435e75d77005ba869f9a903f36e60a15470b017bfccb0
SHA3-384 hash: 3793dfb7cb3631d66760601d0dd564a1104d1d252fba67ff7b5a3ee9b85a35ea21674da176838848889e96126a7ca5c0
SHA1 hash: b5b08b16bb865f4b1c2666f8bc01945842238243
MD5 hash: dd445773bc31ed80899d81a47cfb0f52
humanhash: mars-fruit-kansas-triple
File name:kt3
Download: download sample
Signature Mirai
File size:111'168 bytes
First seen:2025-08-10 13:37:14 UTC
Last seen:2025-10-29 15:13:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ue0Kf+4GOdYM2hppCP8gVT/crgk2sr/TSe:VnGOdT2IPs
TLSH T1CEB38379ABB29EBBEC1EDD7305991402214DA64D52DA2F6FF6A0C518E38BC4F44E3C44
Magika elf
Reporter abuse_ch
Tags:elf mirai
File size (compressed) :25'184 bytes
File size (de-compressed) :111'168 bytes
Format:linux/mipsel
Packed file: f7c5a789afee653fb9e5b7726be808627142ae4c749e42e007cb60ff8b1c490a

Intelligence


File Origin
# of uploads :
2
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc mirai 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=66978dc5-1600-0000-8b38-877a5b0c0000 pid=3163 /usr/bin/sudo guuid=85e5b7c7-1600-0000-8b38-877a5c0c0000 pid=3164 /tmp/sample.bin guuid=66978dc5-1600-0000-8b38-877a5b0c0000 pid=3163->guuid=85e5b7c7-1600-0000-8b38-877a5c0c0000 pid=3164 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-10 13:37:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 d3fa1902934e771c26d435e75d77005ba869f9a903f36e60a15470b017bfccb0

(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