MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d
SHA3-384 hash: 4919b8a7ad1cad49b91b0e68f788b0e68cfa80a81b51b79d2c2fe1e316ab05f0f605b9312e66c458bacda217430578b5
SHA1 hash: bdc772d9f92a42f882684448a35db7c99d3261aa
MD5 hash: 7abee1ed45fb0a1175a0f882d93c38aa
humanhash: harry-jupiter-social-fix
File name:nullnet_load.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:80'544 bytes
First seen:2026-03-27 15:20:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YFpycwNfg4s1vmAvvK502NvULYROQ6UefFOXn3yMJvET40CxMMvLa9k9:pc+mvmmvK502N4kOQitOX3yMh90CtvL
TLSH T189733A46B98085EDC189E13803BF763AC415F17D6279B1EB3BC4BF17281CE611B1E66A
telfhash t19b110c323d8d185c61e7e735b30ae6e5387101341aa175a29e73b9e5ef07b400d860e7
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 :
34
Origin country :
GB GB
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/1f61bf40-20bf-4555-a917-bfb8ccb38510/
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 144.172.105.56:1420
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-03-22T05:58:00Z UTC
Last seen:
2026-03-22T16:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Gafgyt.ez HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.dx HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Exploit.Linux.CVE-2017-17215.a
Link:
https://opentip.kaspersky.com/b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/efdacd93-551f-4a93-941e-c0dbe688e412
Behavior Graph:
Download SVG
%3 guuid=ec6904f7-1a00-0000-d913-f675ba0a0000 pid=2746 /usr/bin/sudo guuid=2e882ff9-1a00-0000-d913-f675bf0a0000 pid=2751 /tmp/sample.bin net guuid=ec6904f7-1a00-0000-d913-f675ba0a0000 pid=2746->guuid=2e882ff9-1a00-0000-d913-f675bf0a0000 pid=2751 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2e882ff9-1a00-0000-d913-f675bf0a0000 pid=2751->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=95b179f9-1a00-0000-d913-f675c00a0000 pid=2752 /tmp/sample.bin guuid=2e882ff9-1a00-0000-d913-f675bf0a0000 pid=2751->guuid=95b179f9-1a00-0000-d913-f675c00a0000 pid=2752 clone guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753 /tmp/sample.bin dns net send-data zombie guuid=2e882ff9-1a00-0000-d913-f675bf0a0000 pid=2751->guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753 clone guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 35B dc38937e-1b8b-586e-ac02-50f88f5f5386 bitches.gunna.pro:1420 guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753->dc38937e-1b8b-586e-ac02-50f88f5f5386 send: 9B guuid=0042a9f9-1a00-0000-d913-f675c20a0000 pid=2754 /tmp/sample.bin guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753->guuid=0042a9f9-1a00-0000-d913-f675c20a0000 pid=2754 clone guuid=b457acf9-1a00-0000-d913-f675c30a0000 pid=2755 /tmp/sample.bin guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753->guuid=b457acf9-1a00-0000-d913-f675c30a0000 pid=2755 clone guuid=1a91aff9-1a00-0000-d913-f675c40a0000 pid=2756 /tmp/sample.bin net net-scan send-data guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753->guuid=1a91aff9-1a00-0000-d913-f675c40a0000 pid=2756 clone guuid=a755b5f9-1a00-0000-d913-f675c50a0000 pid=2757 /tmp/sample.bin net net-scan send-data guuid=c8487ff9-1a00-0000-d913-f675c10a0000 pid=2753->guuid=a755b5f9-1a00-0000-d913-f675c50a0000 pid=2757 clone guuid=1a91aff9-1a00-0000-d913-f675c40a0000 pid=2756->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1a91aff9-1a00-0000-d913-f675c40a0000 pid=2756|send-data send-data to 4097 IP addresses review logs to see them all guuid=1a91aff9-1a00-0000-d913-f675c40a0000 pid=2756->guuid=1a91aff9-1a00-0000-d913-f675c40a0000 pid=2756|send-data send guuid=a755b5f9-1a00-0000-d913-f675c50a0000 pid=2757->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a755b5f9-1a00-0000-d913-f675c50a0000 pid=2757|send-data send-data to 4097 IP addresses review logs to see them all guuid=a755b5f9-1a00-0000-d913-f675c50a0000 pid=2757->guuid=a755b5f9-1a00-0000-d913-f675c50a0000 pid=2757|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/03d2f9ee-066e-48c0-92b4-3905f6b51655
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-22 10:56:09 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xh7vwguhaap4ke6kautlk42ldes33ntt6pwrlgrwx5wqpdsfhvoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi credential_access defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260327-srg1kabz9r/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (70221) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
bitches.gunna.pro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_575f5bc8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
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 b9ff5b1a87001fc513ca0526b5734b1925bdb673f3ed159a36bf6d078e453d5d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3806387/
  
Delivery method
Distributed via web download

Comments