MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 250b246f923c9d2ee434204388faefc8477ed0f9e539bd98e5947e1eb76bcdb7. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 250b246f923c9d2ee434204388faefc8477ed0f9e539bd98e5947e1eb76bcdb7
SHA3-384 hash: 5f1079f7b36e2442081bc9a4d2055b95999a3d027c2f306497daa23ee3b581adac4d1b3b16d20e6e6e8b04dbab8249b9
SHA1 hash: ddde97761f581a432e2dcd9a0191f07c2742cdc4
MD5 hash: e1ba4f86ed5c6c93b1ee46508b5e989e
humanhash: leopard-undress-utah-quiet
File name:cutex86
Download: download sample
Signature Mirai
Create hunting rule
File size:95'880 bytes
First seen:2025-06-30 15:35:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OOFjw82Bny2L7xrGePFC/1Qh+w6VSOUiSdtdlIU0zwPLNblSvbfM/:OOFs8wny2LFDPK1Qh+w6VlUv5lewDVM+
TLSH T110936DC5F643E0F5DD5704712177EB329B33E0BA211ADA93C3A59E339CA1541DA0ABAC
telfhash t1fd51d0f72e7a0ce9b7d46c04c31e1be2191ed77b242032a646739c5026e7ac240bbc35
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6862af0837c343677947d7a1linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Deletes a system binary file
Substitutes an application name
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5bacef4e-1b21-44e2-8da3-1583915e7c4a
Behavior Graph:
Download SVG
%3 guuid=75cf9369-1900-0000-1e4a-988a170e0000 pid=3607 /usr/bin/sudo guuid=0c22b96b-1900-0000-1e4a-988a200e0000 pid=3616 /tmp/sample.bin delete-file net guuid=75cf9369-1900-0000-1e4a-988a170e0000 pid=3607->guuid=0c22b96b-1900-0000-1e4a-988a200e0000 pid=3616 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0c22b96b-1900-0000-1e4a-988a200e0000 pid=3616->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=bbba096c-1900-0000-1e4a-988a220e0000 pid=3618 /tmp/sample.bin guuid=0c22b96b-1900-0000-1e4a-988a200e0000 pid=3616->guuid=bbba096c-1900-0000-1e4a-988a220e0000 pid=3618 clone guuid=d05d146c-1900-0000-1e4a-988a230e0000 pid=3619 /tmp/sample.bin guuid=bbba096c-1900-0000-1e4a-988a220e0000 pid=3618->guuid=d05d146c-1900-0000-1e4a-988a230e0000 pid=3619 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c75b7ca-5f85-4a60-99f8-a649994052d7
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1725707
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/250b246f923c9d2ee434204388faefc8477ed0f9e539bd98e5947e1eb76bcdb7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/250b246f923c9d2ee434204388faefc8477ed0f9e539bd98e5947e1eb76bcdb7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-30 15:39:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eufsi34shsos5zbuebbyr6xpzbdx5uhz4u433ghfsr7b5n3lzw3q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/250630-s1steszyhv/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/2fd974c4-94bc-49ed-86de-ac15011e4f2c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/250b246f923c9d2ee434204388faefc8477ed0f9e539bd98e5947e1eb76bcdb7

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 250b246f923c9d2ee434204388faefc8477ed0f9e539bd98e5947e1eb76bcdb7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3562411/
  
Delivery method
Distributed via web download

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