MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5. 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: 6


Intelligence 6 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5
SHA3-384 hash: 9a5f5c7ab53f087596c5625f79fef311fd0a70dbfed491c7221857f33acd6ef6c55a40402709a8a7c25010f085541110
SHA1 hash: 7b4beee88f1d9235eef17cc96dee10430052fcd9
MD5 hash: 170e2f4d9f5f76d3b61c6c47fc8d4679
humanhash: carolina-neptune-nine-bakerloo
File name:i586
Download: download sample
Signature Mirai
Create hunting rule
File size:355'036 bytes
First seen:2026-08-08 14:39:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:OoCBaJgKnLbT+pGKXUw68L5erk2EgPGOQ4LzgUnruz8Iik4lTwJtVtu:OCJxb6XK8L4k2XPJe8IVt
TLSH T1C8746D42EBE3C0F1FC9208B15027772B5A339829603BDED7E7966D26D861641972B73C
telfhash t1d0f147b13a7e49ed77e0a702934f2b12ed2ae36358a431f240f7225536b6d414eb1c39
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 BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
IR IR
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Creating a file
Runs as daemon
Changes the time when the file was created, accessed, or modified
Opens a port
Locks files
Collects information on the CPU
Launching a process
Deletes a file
Collects information on the OS
Connection attempt
Kills critical processes
Substitutes an application name
Writes files to system subdirectory
Traces processes
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/6a7740574d38786ce6779ddc/reports/2ec5b4fa-2a65-4ca8-95b4-f84be6c161b2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-06T11:31:00Z UTC
Last seen:
2026-08-09T21:16:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/71671c1a-f655-4e5b-831b-264bf2574e1e
Behavior Graph:
Download SVG
%3 guuid=64346e11-1a00-0000-9324-11e6be090000 pid=2494 /usr/bin/sudo guuid=0caddc14-1a00-0000-9324-11e6c7090000 pid=2503 /tmp/sample.bin write-file guuid=64346e11-1a00-0000-9324-11e6be090000 pid=2494->guuid=0caddc14-1a00-0000-9324-11e6c7090000 pid=2503 execve guuid=93fc8d15-1a00-0000-9324-11e6ca090000 pid=2506 /tmp/sample.bin net write-config write-file zombie guuid=0caddc14-1a00-0000-9324-11e6c7090000 pid=2503->guuid=93fc8d15-1a00-0000-9324-11e6ca090000 pid=2506 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=93fc8d15-1a00-0000-9324-11e6ca090000 pid=2506->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e1a06733-1a00-0000-9324-11e62b0a0000 pid=2603 /usr/bin/chattr guuid=93fc8d15-1a00-0000-9324-11e6ca090000 pid=2506->guuid=e1a06733-1a00-0000-9324-11e62b0a0000 pid=2603 execve guuid=d3e37c36-1a00-0000-9324-11e6300a0000 pid=2608 /usr/bin/chattr guuid=93fc8d15-1a00-0000-9324-11e6ca090000 pid=2506->guuid=d3e37c36-1a00-0000-9324-11e6300a0000 pid=2608 execve guuid=f42ee136-1a00-0000-9324-11e6310a0000 pid=2609 /tmp/sample.bin dns net send-data guuid=93fc8d15-1a00-0000-9324-11e6ca090000 pid=2506->guuid=f42ee136-1a00-0000-9324-11e6310a0000 pid=2609 clone 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=f42ee136-1a00-0000-9324-11e6310a0000 pid=2609->54d92a3b-1447-55af-b534-047898c60c8d send: 37B 85c774c3-c72b-56a1-b841-3822113e8fa8 tblcxmo.duckdns.org:13488 guuid=f42ee136-1a00-0000-9324-11e6310a0000 pid=2609->85c774c3-c72b-56a1-b841-3822113e8fa8 send: 119B guuid=1d4bf136-1a00-0000-9324-11e6320a0000 pid=2610 /tmp/sample.bin guuid=f42ee136-1a00-0000-9324-11e6310a0000 pid=2609->guuid=1d4bf136-1a00-0000-9324-11e6320a0000 pid=2610 clone guuid=6d2ef936-1a00-0000-9324-11e6360a0000 pid=2614 /tmp/sample.bin guuid=f42ee136-1a00-0000-9324-11e6310a0000 pid=2609->guuid=6d2ef936-1a00-0000-9324-11e6360a0000 pid=2614 clone guuid=93127237-1a00-0000-9324-11e6370a0000 pid=2615 /tmp/sample.bin guuid=6d2ef936-1a00-0000-9324-11e6360a0000 pid=2614->guuid=93127237-1a00-0000-9324-11e6370a0000 pid=2615 clone
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4cb4507d-040a-4083-9c6e-468fa686412f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-07 18:10:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=thekkqz7w2gjhf3hgjvjjtjykft2oudryzpcxsipdx6n6daxt2sq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux persistence
Link:
https://tria.ge/reports/260808-r16vlssxhz/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Modifies init.d
Modifies rc script
Modifies Watchdog functionality
Modifies the /etc/hosts DNS resolution file
Traces itself
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:test_rule_vldslv
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 99c8a5433fb68c939767326a94cd385167a75071c65e2bc90f1dfcdf0c179ea5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3899690/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3899700/
  
URLhaus
https://urlhaus.abuse.ch/url/3899701/

Comments