MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37
SHA3-384 hash: 53ee116889776a7a5d242c4c8d994f4444cc2710d5d8192b237d96bb0c3b1492caffc23d95533bee84feb62f01286987
SHA1 hash: 290db6138539e2c6f1aa404b49a9347ce1931c49
MD5 hash: 1719bbbeb214698c1dac80e9fc69e3fb
humanhash: undress-fifteen-november-mobile
File name:kt2
Download: download sample
Signature Mirai
Create hunting rule
File size:125'300 bytes
First seen:2025-05-07 12:21:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zB+ibx10KvSRIxSBq/XcYhbEshbWuhbWBTaa7DQU5GSgARAGl5ochg+XsnZ99HE4:nx10q7cz46l5ocK+cnL9HEmsDZBg
TLSH T1A0C3AC3D7E22BF6EE7B8823207F62FB0831610D37692D280D1BDCA549EB525C589E754
telfhash t106011918593817f493818eee67edff35e49044df98261f37ce00e99a9661a828c00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

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

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681b50c691991ead82b5cec5linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/681b507bd95f3e34e962f5e2/reports/1d760454-f359-479d-884f-adfc4af67c0c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e924afb9-49c2-46a7-965a-50bba9fb5274
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1683244
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 12:22:13 UTC
File Type:
ELF32 Big (Exe)
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ih7e4vlzshzvt7wdl3xiyanu646jbwxbjnekllxyx4suag54hu3q._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250507-pjznvs1yct/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/ab25fe89-b29e-4c56-a863-6faf3501d813
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/41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37

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:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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: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 41fe4e557991f359fec35eee8c01b4f73c90dae14b48a5aef8bf25401bbc3d37

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531150/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532687/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments