MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b348e5b70ab7e0d8bb74afbd7749daaab6d7becf6854dfc75486a71da1430ab9. 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 6 File information Comments

SHA256 hash: b348e5b70ab7e0d8bb74afbd7749daaab6d7becf6854dfc75486a71da1430ab9
SHA3-384 hash: f9cb4d503a626e6ed6c9f941ae997100408599ae81fdd89cfae4886822e4a411343f71d848f02261f1912a3b24324910
SHA1 hash: d110751a6a4a21710d61587aa09dce540434028d
MD5 hash: f720b4f109d64f4aea74d6f4700b5ac9
humanhash: connecticut-moon-don-echo
File name:kvariant.arm5
Download: download sample
Signature Mirai
File size:87'524 bytes
First seen:2025-10-10 05:02:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:sKB3+r4XBc5rH34bS/UH3hbnPcoLXW1aUOOcpJj5ByBgYEblMAc:sKBur4x0bouUHhnPcq6afnB/Y5
TLSH T157831985BD819A27C6D1137BFB5E428C372A23A8E3EE3213C9355F64379B95B0D2B111
telfhash t11eb09283af4d11b926426b0b828363899498ba21812420040eca8d8b019ae157503434
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 :
79
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit gafgyt masquerade mirai obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
120
Number of processes launched:
93
Processes remaning?
true
Remote TCP ports scanned:
37215,23
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-10T02:17:00Z UTC
Last seen:
2025-10-10T09:10:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=d0361db7-1600-0000-b362-be81be0c0000 pid=3262 /usr/bin/sudo guuid=f806a0b9-1600-0000-b362-be81c50c0000 pid=3269 /tmp/sample.bin guuid=d0361db7-1600-0000-b362-be81be0c0000 pid=3262->guuid=f806a0b9-1600-0000-b362-be81c50c0000 pid=3269 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1792569 Sample: kvariant.arm5.elf Startdate: 10/10/2025 Architecture: LINUX Score: 72 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 3 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 kvariant.arm5.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kvariant.arm5.elf 8->14         started        process6 16 kvariant.arm5.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-10 05:03:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Generic_Threat_e24558e1
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 b348e5b70ab7e0d8bb74afbd7749daaab6d7becf6854dfc75486a71da1430ab9

(this sample)

  
Delivery method
Distributed via web download

Comments