MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575
SHA3-384 hash: 7f0813dbd39bb0c2defc4d87741e0d8fdbed99fbeefd44ee321845ba0c35ef3d1bdfa3b694aae4e166f5378fdacb9b0a
SHA1 hash: 7e443f890947234223d92240ca8728ed7dbb7e1f
MD5 hash: c4743f0becf4bc781d2bddede481f0d1
humanhash: ack-delaware-tango-equal
File name:main_mips
Download: download sample
Signature Mirai
Create hunting rule
File size:54'708 bytes
First seen:2025-02-24 17:46:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:9JobqJtbyJf2nsQA9uWmn2h6IW5NfylrggIhPQXWUfypO7bo9p4n27Hg/KUGYflg:3obqJtWJmJsR5ggsPlH4WAyIKslzV1cX
TLSH T17333F2E81B459AF7C6B7F87750B887BA9D344F80D8337A0E5458FE0492420AC1BDA3E5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bcb0a928ab76d43a5ce3b0linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Creating a file
Runs as daemon
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/67bcb0a73afc3763bec44fb3/reports/f1ae73bf-8c1f-43e2-b789-25dfbf19e212/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/98281761-678e-46bc-8ca3-7698b42474b1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1622973
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-02-24 16:49:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=urbx6nvz5hvbjjzavg5xfyboda5mrjfcgwgs7oxzszgmucrd6v2q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/250224-wcyljswk13/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Deletes itself
Traces itself
Mirai
Mirai family
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d3e6e6f2-d1b8-4c3b-842a-046fa1003810
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/a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a4437f36b9e9ea14a720a9bb72e02e183ac8a4a2358d2fbaf9964cca0a23f575

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3450931/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3450945/

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