MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81. 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: 11


Intelligence 11 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81
SHA3-384 hash: 2ba52dfb681f59e32fdcd8c33bae4b4509c03dfd92a568d87d2a839aceb1b6b2fcf2b2894dc798bd6d8e6d8dd46d18ad
SHA1 hash: 6623cc205cdd4f5e32019498df31569468d762b9
MD5 hash: 5225992cb51d875db509d805d8276c47
humanhash: kilo-july-cold-mike
File name:nz.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:80'912 bytes
First seen:2026-07-07 05:33:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:st1rNKelcdyCxJWlse+DVEfV3cxisMDJ+7s3Uk2h:st9FIyyJWlse++fV3cEsM96Mg
TLSH T1CA836CC6E743C0F4E8624972217BE7329A73E53D1029EE83D769A932FD13542D61A39C
telfhash t1c931b9f71eba5df8b7d06400d30e5f522969e67b186037624663c82037beed2907ac39
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 b6d6effc52bd61fc5d7e36a6a25529b8125f33765d1510bfd3f88a708dd9d53d
File size (compressed) :40'420 bytes
File size (de-compressed) :80'912 bytes
Format:linux/i386
Packed file: b6d6effc52bd61fc5d7e36a6a25529b8125f33765d1510bfd3f88a708dd9d53d

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/161c6035-3632-4f26-ba25-d3a503259d7f/
Detection(s):
Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Connection attempt
Runs as daemon
Sets a written file as executable
Launching a process
Kills processes
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/6a4c8fee3198dbf55f6db042/reports/c3108886-a4df-4b1e-8587-23b784697732/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-07T02:39:00Z UTC
Last seen:
2026-07-08T19:20:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/578eb04e-3cd3-4ad0-854f-2ca0b11192b2
Behavior Graph:
Download SVG
%3 guuid=b08cdb6f-1900-0000-b6c0-a7ce320f0000 pid=3890 /usr/bin/sudo guuid=b5128272-1900-0000-b6c0-a7ce3f0f0000 pid=3903 /tmp/sample.bin net guuid=b08cdb6f-1900-0000-b6c0-a7ce320f0000 pid=3890->guuid=b5128272-1900-0000-b6c0-a7ce3f0f0000 pid=3903 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b5128272-1900-0000-b6c0-a7ce3f0f0000 pid=3903->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=afc2af72-1900-0000-b6c0-a7ce400f0000 pid=3904 /tmp/sample.bin guuid=b5128272-1900-0000-b6c0-a7ce3f0f0000 pid=3903->guuid=afc2af72-1900-0000-b6c0-a7ce400f0000 pid=3904 clone guuid=61a0b872-1900-0000-b6c0-a7ce410f0000 pid=3905 /tmp/sample.bin write-config zombie guuid=afc2af72-1900-0000-b6c0-a7ce400f0000 pid=3904->guuid=61a0b872-1900-0000-b6c0-a7ce410f0000 pid=3905 clone guuid=febf7276-1900-0000-b6c0-a7ce500f0000 pid=3920 /usr/bin/dash guuid=61a0b872-1900-0000-b6c0-a7ce410f0000 pid=3905->guuid=febf7276-1900-0000-b6c0-a7ce500f0000 pid=3920 execve guuid=a6f1ac78-1900-0000-b6c0-a7ce5b0f0000 pid=3931 /tmp/sample.bin net send-data zombie guuid=61a0b872-1900-0000-b6c0-a7ce410f0000 pid=3905->guuid=a6f1ac78-1900-0000-b6c0-a7ce5b0f0000 pid=3931 clone guuid=04baa276-1900-0000-b6c0-a7ce510f0000 pid=3921 /usr/bin/cp guuid=febf7276-1900-0000-b6c0-a7ce500f0000 pid=3920->guuid=04baa276-1900-0000-b6c0-a7ce510f0000 pid=3921 execve guuid=a6f1ac78-1900-0000-b6c0-a7ce5b0f0000 pid=3931->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 3300B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=a6f1ac78-1900-0000-b6c0-a7ce5b0f0000 pid=3931->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 2B guuid=16abb678-1900-0000-b6c0-a7ce5c0f0000 pid=3932 /tmp/sample.bin guuid=a6f1ac78-1900-0000-b6c0-a7ce5b0f0000 pid=3931->guuid=16abb678-1900-0000-b6c0-a7ce5c0f0000 pid=3932 clone guuid=77b0bb78-1900-0000-b6c0-a7ce5d0f0000 pid=3933 /tmp/sample.bin guuid=a6f1ac78-1900-0000-b6c0-a7ce5b0f0000 pid=3931->guuid=77b0bb78-1900-0000-b6c0-a7ce5d0f0000 pid=3933 clone
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-07 05:34:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lzaps4gkf7amgyc6yibp356hlyoiipq63gn4yh2b36b5uhcpt6aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence
Link:
https://tria.ge/reports/260707-f853hafx8q/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Malware Config
C2 Extraction:
oefjpwefgjujw865.hopto.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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: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_99d78950
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:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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 b6d6effc52bd61fc5d7e36a6a25529b8125f33765d1510bfd3f88a708dd9d53d

Mirai

elf 5e40f970ca2fc0c3605ec202fdf7c75e1c843e1ed99bcc1f41df83da1c4f9f81

(this sample)

  
Dropped by
SHA256 b6d6effc52bd61fc5d7e36a6a25529b8125f33765d1510bfd3f88a708dd9d53d
  
URLhaus
https://urlhaus.abuse.ch/url/3878180/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 9eee6c8d4392bd18ab12b8e3521ac53f

Comments