MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f
SHA3-384 hash: 0f86d0e2a8cbc93e089a10b8af3c8b4323c031cb16e057f56c1d444cb6a40ba336d8651dbc013f37c2a4fb372fa95c05
SHA1 hash: 65cbc4d4daa706a53a0d405a7887982c6bf69fa5
MD5 hash: 71fbf5b5576ba64c19d71d42f42e7cc9
humanhash: cola-idaho-nine-pip
File name:kurayami.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:151'084 bytes
First seen:2026-04-01 10:07:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Tr+UdlptN9Xr4QfJThvz4y6wSPd+qMgXR8/O2+:eUdlp/9MSThrSl2O2
TLSH T1C8E3398CF58FC1F6DA0788308066F7BFCB31A4254076D68EEF95AF35DA275829216358
telfhash t1555142b9feba1dec1bc08911d28e6b21ec0ef23b716136fc09e216a5327354161b5c38
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 9ab5896db88a6279a4c0e3060e0061d8357d2077ebb1115f9449d1eb3db40b80
File size (compressed) :59'972 bytes
File size (de-compressed) :151'084 bytes
Format:linux/i386
Packed file: 9ab5896db88a6279a4c0e3060e0061d8357d2077ebb1115f9449d1eb3db40b80

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-01T05:32:00Z UTC
Last seen:
2026-04-01T09:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6033a904-b772-4f49-b32c-b01d5bcf28a9
Behavior Graph:
Download SVG
%3 guuid=6a016009-1800-0000-acb2-be348f0b0000 pid=2959 /usr/bin/sudo guuid=629fb30b-1800-0000-acb2-be34960b0000 pid=2966 /tmp/sample.bin net guuid=6a016009-1800-0000-acb2-be348f0b0000 pid=2959->guuid=629fb30b-1800-0000-acb2-be34960b0000 pid=2966 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=629fb30b-1800-0000-acb2-be34960b0000 pid=2966->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c8bff20b-1800-0000-acb2-be34970b0000 pid=2967 /tmp/sample.bin guuid=629fb30b-1800-0000-acb2-be34960b0000 pid=2966->guuid=c8bff20b-1800-0000-acb2-be34970b0000 pid=2967 clone guuid=ffa39838-1900-0000-acb2-be34080e0000 pid=3592 /tmp/sample.bin guuid=629fb30b-1800-0000-acb2-be34960b0000 pid=2966->guuid=ffa39838-1900-0000-acb2-be34080e0000 pid=3592 clone guuid=ca03a438-1900-0000-acb2-be34090e0000 pid=3593 /tmp/sample.bin net send-data zombie guuid=629fb30b-1800-0000-acb2-be34960b0000 pid=2966->guuid=ca03a438-1900-0000-acb2-be34090e0000 pid=3593 clone guuid=b1adfd0b-1800-0000-acb2-be34980b0000 pid=2968 /tmp/sample.bin guuid=c8bff20b-1800-0000-acb2-be34970b0000 pid=2967->guuid=b1adfd0b-1800-0000-acb2-be34980b0000 pid=2968 clone guuid=bed5010c-1800-0000-acb2-be34990b0000 pid=2969 /tmp/sample.bin net send-data zombie guuid=c8bff20b-1800-0000-acb2-be34970b0000 pid=2967->guuid=bed5010c-1800-0000-acb2-be34990b0000 pid=2969 clone guuid=bed5010c-1800-0000-acb2-be34990b0000 pid=2969->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 941f7832-eda7-5d49-a355-c48f57fc945d 142.248.80.144:6934 guuid=bed5010c-1800-0000-acb2-be34990b0000 pid=2969->941f7832-eda7-5d49-a355-c48f57fc945d send: 10B guuid=ca03a438-1900-0000-acb2-be34090e0000 pid=3593->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ca03a438-1900-0000-acb2-be34090e0000 pid=3593->941f7832-eda7-5d49-a355-c48f57fc945d send: 6B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/673d0e5a-e71a-4c7c-855a-eeddb82f20bf
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-01 10:08:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dbqch4msnkk6765k7w4nkbgzpuu4h77wkdzh3j7bw4fmpnopoe7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260401-l6cwtsbs4r/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f

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
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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

File information

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

Web download

Mirai

elf 9ab5896db88a6279a4c0e3060e0061d8357d2077ebb1115f9449d1eb3db40b80

Mirai

elf 186023f1926a95effbaafdb8d504d97d29c3fff650f27da7e1b70ac7b5cf713f

(this sample)

  
Dropped by
SHA256 9ab5896db88a6279a4c0e3060e0061d8357d2077ebb1115f9449d1eb3db40b80
  
URLhaus
https://urlhaus.abuse.ch/url/3808204/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 60785244ea5e224032377fe3ee56f0c0

Comments