MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4
SHA3-384 hash: bffa8a8c388112153038c53e4d3f6961d6692e2017f04d95c47e0e72f26d8de805bc9e60b19e720fe4e50053cb74d20c
SHA1 hash: 38168244f4fcf3388cd0e6593989648f38020ce3
MD5 hash: d230b6e5f564595a56afde31f8f57c57
humanhash: cardinal-colorado-echo-coffee
File name:nz.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:161'084 bytes
First seen:2026-07-08 01:29:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ldrx+vzsw8TONAdQLty5l6Gm7UxbiuyZ6RlPP4FQQm8DrfIHm:lJx+vzXUONAdQLtKlTm7UxbiuyZ6RlPI
TLSH T1D7F3F805BB610EF7E85FCC3706E9270128CDA51622B97B36B534D958F64B28B26E3D70
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 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052
File size (compressed) :52'796 bytes
File size (de-compressed) :161'084 bytes
Format:linux/mipsel
Packed file: 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cfcba1ff-2121-485a-a7dc-088a56000fb8/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

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-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
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
Opens a port
Connection attempt
Runs as daemon
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6a4da80a877fed1defb83017/reports/3afd1e6a-bed7-4d78-b88e-171fcdb5e0ce/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-07T22:36:00Z UTC
Last seen:
2026-07-09T06:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5df3cbb3-0a3b-4526-aa44-99d1a82c6e72
Behavior Graph:
Download SVG
%3 guuid=0e58b93c-2400-0000-53ae-afb54f140000 pid=5199 /usr/bin/sudo guuid=3a8c2b3f-2400-0000-53ae-afb550140000 pid=5200 /tmp/sample.bin guuid=0e58b93c-2400-0000-53ae-afb54f140000 pid=5199->guuid=3a8c2b3f-2400-0000-53ae-afb550140000 pid=5200 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-08 01:31:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqer7nptnpgnhdrsfobadogljxgls6ju7kwxajugxttsufk2ppsa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Link:
https://tria.ge/reports/260708-bwle4shy5p/
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/04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052

Mirai

elf 04091fb5f36bccd38e322b8201b8cb4dccb97934faad702686bce72a155a7be4

(this sample)

  
Dropped by
SHA256 4b86b1ccd44841f0639b8946d9fae2f82e8b759e22cb412a0f6e3ec326737052
  
URLhaus
https://urlhaus.abuse.ch/url/3878188/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 2fa5387460298364bb31a32a71cb8820

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