MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74a0ca64a91620dadc3f3ade8582752240446bb6cd22dd8a85df66cfdde5d74. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b74a0ca64a91620dadc3f3ade8582752240446bb6cd22dd8a85df66cfdde5d74
SHA3-384 hash: 400970646c730481f08a74374f108a4ebc65b665c72ba77ed78a5ca2f3faf949afabe689294770f042008dea2c1f2d92
SHA1 hash: 1e6f3ddb255813760d177127da754d0356468f97
MD5 hash: 2d449662f0586de6fa7f7014541277a8
humanhash: twenty-william-music-ink
File name:ciubuc_mips
Download: download sample
Signature Mirai
Create hunting rule
File size:177'860 bytes
First seen:2025-02-01 04:02:02 UTC
Last seen:2025-02-01 04:02:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:VAUDuen3gJIaizDZbuIR5JUaDePvV/rXETGEOf+VbW1gaK2AncsHIP3+km671:yUSenNDkrjfguK4+km6B
TLSH T1E004971E6E228F7DF668873047B74E25AB6923D627E1D644E1ACC1105F2039E641FFE8
telfhash t1a64184180eb403f0a6296c5d049dff66d6a331db7d176c378f51e46aab69b839d10c0d
Magika elf
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
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

Unix.Trojan.Mirai-8041698-0
Create hunting rule

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

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

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

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679d9d8402140668e2cf3307linux22vpnfull_triage
Tags:
gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file
Receives data from a server
Sends data to a server
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin remote
Link:
https://www.filescan.io/uploads/679d9cbcc768c42083dfa8dc/reports/8576557d-1acb-4873-b147-4acddda633d3/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/076bf882-a696-4ce0-8328-b3c4ab9d5bee
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1604318
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/b74a0ca64a91620dadc3f3ade8582752240446bb6cd22dd8a85df66cfdde5d74
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b74a0ca64a91620dadc3f3ade8582752240446bb6cd22dd8a85df66cfdde5d74/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-31 20:43:45 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5fazjsksfra3lod6ow6qwbhkisairv3ntjc3wfilx3gz7o6lv2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/250201-eltwaasjhy/
Behaviour
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Deletes itself
Traces itself
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-8041698-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/88a58708-6075-4613-9bc2-0d65e8fe1218
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/b74a0ca64a91620dadc3f3ade8582752240446bb6cd22dd8a85df66cfdde5d74

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_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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 b74a0ca64a91620dadc3f3ade8582752240446bb6cd22dd8a85df66cfdde5d74

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3422477/
  
Delivery method
Distributed via web download

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

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