MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a431f77daed790e5a3c230e51216d9dc67790e27b6b096757cd328864bf1b751. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: a431f77daed790e5a3c230e51216d9dc67790e27b6b096757cd328864bf1b751
SHA3-384 hash: 50a066dd59428546297cb5382e63ea3ca4a2884c6afc87225a623444d6bc5bfbdc120681eb3c129f09008dca05c6e9cd
SHA1 hash: 37275ffff2fcc9b803cb6fc40133416561a90287
MD5 hash: e4640c26736d9ae521b0683d6c684512
humanhash: beer-quebec-spring-high
File name:nklx86
Download: download sample
Signature Mirai
File size:79'028 bytes
First seen:2026-01-26 23:33:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VNZE/pgn9HvRR8p2CoSjWQRj62YMKWg79fAHjiEVGy1XgkyiEgFNQvvr7:V/Gm9PRRsHZjuMHg79IHGByZQneeP
TLSH T1A3736CC19243D8F5ED490278603AF337A532DA7801B8FDF7F3685A764469AA0718774E
telfhash t1f421cfba167b4deca7d07840f20e5b60ad0c977b146063e311b31828252fdc292bbc3d
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 :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
35
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
23
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=480b1717-1b00-0000-6f5d-e82e0b0c0000 pid=3083 /usr/bin/sudo guuid=8119a619-1b00-0000-6f5d-e82e140c0000 pid=3092 /dev/shm/.systemd-journald delete-file net write-file guuid=480b1717-1b00-0000-6f5d-e82e0b0c0000 pid=3083->guuid=8119a619-1b00-0000-6f5d-e82e140c0000 pid=3092 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8119a619-1b00-0000-6f5d-e82e140c0000 pid=3092->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a90dfe1b-1b00-0000-6f5d-e82e1a0c0000 pid=3098 /dev/shm/.systemd-journald dns net send-data zombie guuid=8119a619-1b00-0000-6f5d-e82e140c0000 pid=3092->guuid=a90dfe1b-1b00-0000-6f5d-e82e1a0c0000 pid=3098 clone guuid=a90dfe1b-1b00-0000-6f5d-e82e1a0c0000 pid=3098->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B 0cdb843a-36c9-5fdc-9b15-134ffd0266f1 174.138.93.142:39691 guuid=a90dfe1b-1b00-0000-6f5d-e82e1a0c0000 pid=3098->0cdb843a-36c9-5fdc-9b15-134ffd0266f1 send: 109B guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099 /dev/shm/.systemd-journald dns net net-scan send-data guuid=a90dfe1b-1b00-0000-6f5d-e82e1a0c0000 pid=3098->guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099 clone guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 28B f22fee75-ab34-540d-95fe-696883c6f4ad 130.12.180.64:80 guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099->f22fee75-ab34-540d-95fe-696883c6f4ad send: 20B d61c93e3-61da-5d8a-af6b-76773def3e79 111.178.121.216:23 guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099->d61c93e3-61da-5d8a-af6b-76773def3e79 send: 40B guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099|send-data send-data to 3967 IP addresses review logs to see them all guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099->guuid=a9190c1c-1b00-0000-6f5d-e82e1b0c0000 pid=3099|send-data send
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Writes file to shm directory
Enumerates running processes
Deletes itself
Executes dropped EXE
Contacts a large (119706) 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:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 a431f77daed790e5a3c230e51216d9dc67790e27b6b096757cd328864bf1b751

(this sample)

  
Delivery method
Distributed via web download

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