MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18f4a45fb6764953201c9f0eed0d5aa3e0ccf81496a8442fb32b761465528fff. 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 20 File information Comments

SHA256 hash: 18f4a45fb6764953201c9f0eed0d5aa3e0ccf81496a8442fb32b761465528fff
SHA3-384 hash: 7372dc1bd1d706c7acffcb33b2140871abc31996d1fab1b1bf29a6035715e2e6b75fb65eaa8a762cad2266d1b7dda74d
SHA1 hash: d7db4dd07754737283e56794a2384f8d40e4d964
MD5 hash: 048c23529ee5efd0dbbf4a9a97e6a64b
humanhash: sodium-purple-muppet-rugby
File name:csk_x86_64
Download: download sample
Signature Mirai
File size:159'256 bytes
First seen:2026-01-12 16:22:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:JBx7hJMJdMjDTgzTYJanIZlbupbiik2AKzopC6FyqJhYx1Hk:JH7heXIMFp8BIbk
TLSH T1A4F35B07F5C184FDC896C1B44BAFF636ED72F09E1134B26B27D49A622E5DE201B2DA50
telfhash t19151d0b13da739a4a1e7f162730bd555a83209200dd278e5de337ce58e467881e76823
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 :
118
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-12T15:21:00Z UTC
Last seen:
2026-01-13T23:44:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c9a06594-1800-0000-6735-06ffc00c0000 pid=3264 /usr/bin/sudo guuid=9441a597-1800-0000-6735-06ffc70c0000 pid=3271 /tmp/sample.bin net guuid=c9a06594-1800-0000-6735-06ffc00c0000 pid=3264->guuid=9441a597-1800-0000-6735-06ffc70c0000 pid=3271 execve 79501b44-12a3-545c-8bae-d38b171674eb 45.117.177.93:53 guuid=9441a597-1800-0000-6735-06ffc70c0000 pid=3271->79501b44-12a3-545c-8bae-d38b171674eb con guuid=d800cb97-1800-0000-6735-06ffc80c0000 pid=3272 /tmp/sample.bin dns net send-data zombie guuid=9441a597-1800-0000-6735-06ffc70c0000 pid=3271->guuid=d800cb97-1800-0000-6735-06ffc80c0000 pid=3272 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d800cb97-1800-0000-6735-06ffc80c0000 pid=3272->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 42B fa89e68f-2ccc-502f-b4db-42649241c9fb xoclo.fordvungtau.com.vn:55555 guuid=d800cb97-1800-0000-6735-06ffc80c0000 pid=3272->fa89e68f-2ccc-502f-b4db-42649241c9fb send: 7B 2b8da86c-3bed-5001-b279-ed3f864aa69f xoclo.fordvungtau.com.vn:53 guuid=d800cb97-1800-0000-6735-06ffc80c0000 pid=3272->2b8da86c-3bed-5001-b279-ed3f864aa69f con guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273 /tmp/sample.bin guuid=d800cb97-1800-0000-6735-06ffc80c0000 pid=3272->guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273 clone guuid=0586e097-1800-0000-6735-06ffca0c0000 pid=3274 /tmp/sample.bin guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273->guuid=0586e097-1800-0000-6735-06ffca0c0000 pid=3274 clone guuid=c899bc16-1c00-0000-6735-06ff69140000 pid=5225 /tmp/sample.bin guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273->guuid=c899bc16-1c00-0000-6735-06ff69140000 pid=5225 clone guuid=b44eac97-1f00-0000-6735-06ff91140000 pid=5265 /tmp/sample.bin guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273->guuid=b44eac97-1f00-0000-6735-06ff91140000 pid=5265 clone guuid=94186916-2300-0000-6735-06ff92140000 pid=5266 /tmp/sample.bin guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273->guuid=94186916-2300-0000-6735-06ff92140000 pid=5266 clone guuid=6afa2d95-2600-0000-6735-06ff9c140000 pid=5276 /tmp/sample.bin guuid=9e58d497-1800-0000-6735-06ffc90c0000 pid=3273->guuid=6afa2d95-2600-0000-6735-06ff9c140000 pid=5276 clone
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849341 Sample: csk_x86_64.elf Startdate: 12/01/2026 Architecture: LINUX Score: 100 27 xoclo.fordvungtau.com.vn 45.117.177.93, 42976, 55555 NHANHOA-AS-VNNhanHoaSoftwarecompanyVN Viet Nam 2->27 29 109.202.202.202, 80 INIT7CH Switzerland 2->29 31 3 other IPs or domains 2->31 33 Suricata IDS alerts for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 5 other signatures 2->39 9 csk_x86_64.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 csk_x86_64.elf 9->15         started        process6 17 csk_x86_64.elf 15->17         started        process7 19 csk_x86_64.elf 17->19         started        21 csk_x86_64.elf 17->21         started        23 csk_x86_64.elf 17->23         started        25 6 other processes 17->25
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-12 16:23:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 18f4a45fb6764953201c9f0eed0d5aa3e0ccf81496a8442fb32b761465528fff

(this sample)

  
Delivery method
Distributed via web download

Comments