MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c. 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: a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c
SHA3-384 hash: 02baa8ecf23c02350223171c3bf6e4e2974991b8962a3544d577eb53a5269735cc925db5702ad80212634d84a926532b
SHA1 hash: 67160a0fe04c6fa47c5001aa2be7c5d2d80f925d
MD5 hash: b39350e15db0b134303b653b654b68d7
humanhash: white-high-idaho-neptune
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:38'372 bytes
First seen:2025-07-04 22:31:37 UTC
Last seen:2025-07-05 02:41:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:nNL5KlLiA8unX/mUeEiw/wVu7SVGNAJayZoFf1d+OGTCPPrI3TbaQVJJgGlzDpb6:nN1K1iA3Xq96wU7SVk0aAatEjKPrI3nI
TLSH T17F03E1A9C11088C9CB7F517E13810B206D300BDAFAC39C2A35B8DA77EC5A7E8B95354D
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
File size (compressed) :38'372 bytes
File size (de-compressed) :103'164 bytes
Format:linux/mips
Unpacked file: c65ab26b5302c6fcba5f1bbc7a1b2b93eef5faefd5fd8b0f6b36eae26df629c3

Intelligence

File Origin
# of uploads :
2
# of downloads :
10
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68685671900df8e7f866db42linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Deletes a file
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68685670d6e1f26251e32a8d/reports/9f0746d3-3802-4a5a-908b-13e03b626e43/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
110
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/648c9b84-c585-4ded-90f9-63e8884e83c9
Behavior Graph:
Download SVG
%3 guuid=47fb00a8-1900-0000-4261-a5b6c7090000 pid=2503 /usr/bin/sudo guuid=da76a8a9-1900-0000-4261-a5b6cc090000 pid=2508 /tmp/sample.bin guuid=47fb00a8-1900-0000-4261-a5b6c7090000 pid=2503->guuid=da76a8a9-1900-0000-4261-a5b6cc090000 pid=2508 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a6a3cc47-0049-4ad0-b3e5-81a33cb643b7
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1729013
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1729013 Sample: morte.mips.elf Startdate: 05/07/2025 Architecture: LINUX Score: 76 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 3 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Yara detected Xmrig cryptocurrency miner 2->30 32 Sample is packed with UPX 2->32 8 morte.mips.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 34 Found strings related to Crypto-Mining 8->34 13 morte.mips.elf 8->13         started        16 morte.mips.elf 8->16         started        process6 signatures7 36 Sample deletes itself 13->36 18 morte.mips.elf 13->18         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c/
Verdict:
Malicious
Threat:
Linux.Worm.Mirai
Link:
https://tip.neiki.dev/file/a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-07-04 22:32:12 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vaonswuz4vc7vdpr7ej5sxkgbhok4ddzgpq3kajkokfz5kpu4rwa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/250704-2f14qsdp6t/
Behaviour
System Network Configuration Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9921f0f8-426a-487f-974b-c520c88e1604
Please note that we are no longer able to provide a coverage score for Virus Total.

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 a81cd95a99e545fa8df1f913d95d4609dcae0c7933e1b5012a728b9ea9f4e46c

(this sample)

Mirai

elf c65ab26b5302c6fcba5f1bbc7a1b2b93eef5faefd5fd8b0f6b36eae26df629c3

  
URLhaus
https://urlhaus.abuse.ch/url/3572936/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c65ab26b5302c6fcba5f1bbc7a1b2b93eef5faefd5fd8b0f6b36eae26df629c3
  
Dropping
MD5 c936eb1795dded2d0a46883f0b8ee721
  
URLhaus
https://urlhaus.abuse.ch/url/3572935/
  
URLhaus
https://urlhaus.abuse.ch/url/3573042/
  
URLhaus
https://urlhaus.abuse.ch/url/3571627/
  
URLhaus
https://urlhaus.abuse.ch/url/3574726/
  
URLhaus
https://urlhaus.abuse.ch/url/3572992/
  
URLhaus
https://urlhaus.abuse.ch/url/3573041/
  
URLhaus
https://urlhaus.abuse.ch/url/3572976/
  
URLhaus
https://urlhaus.abuse.ch/url/3574714/
  
URLhaus
https://urlhaus.abuse.ch/url/3571622/
  
URLhaus
https://urlhaus.abuse.ch/url/3572439/

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