MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81c7acbcf03e7cc751c00e2c33b2c251d034ecc6dddb28aae4fef6a9f7d83ecc. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81c7acbcf03e7cc751c00e2c33b2c251d034ecc6dddb28aae4fef6a9f7d83ecc
SHA3-384 hash: 44141f08fc0deb9a15bc268071572d958154177396d99f0a21c3ca46e1605ef5c30a31c2334839199cc2a6341a88623c
SHA1 hash: a91c1e45f6bc08d61f299457b0c56de7d7db7602
MD5 hash: 81a64e8df3c1041d536b22c7549784ba
humanhash: cat-october-florida-neptune
File name:huawei.sh
Download: download sample
Signature Mirai
Create hunting rule
File size:2'020 bytes
First seen:2025-02-27 17:32:41 UTC
Last seen:Never
File type: sh
MIME type:text/x-shellscript
ssdeep 24:vosRnZsohQn07o4frpnSKw9JoYekYedHnhzsoj+nsLoefznMbksoNcnOowkwJnoM:v5S9+xVSKSrHBsZsLTQJFO7XJoXyV7
TLSH T1A841558402254A33ED6AE922F3FA2E673694549258D9FF2C9EEE3DF489CDF113048543
Magika shell
Reporter abuse_ch
Tags:mirai sh
URLMalware sample (SHA256 hash)SignatureTags
http://104.248.155.103/Binarys/Owari.x86902fef384656d3fb3f1a201c3fbd2c73138803388a4194bb395a4374425e6f0b Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.mipsa5bb98b609b8fd91256e3319427aec4e7827bc5e3f5690186e7b4feb808767f5 Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.mpslec6cb86196be10925304473c7bf8e1cd99033fa2e6fd64d7147ebaf6b96a61e2 Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.arm4n/an/an/a
http://104.248.155.103/Binarys/Owari.arm5eb9c53207d9f0ccfbc5e648b81b6d3fd257e4e7d3657f36a5e5a0b832fe5fc56 Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.arm6231f7d2f6cd0acc083912e1405abefec5e146939a9e22b005202bede8652394d Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.arm719a989b9c67821a2cdae73c77bf5c9efecc3af017c40e8cd9a7580d2a330e621 Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.ppcb2ce9efa52ad35c866cca022f8a53bf75eba3ddb5c63b06ec4e01487d81977d4 Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.m68k77b1aaf0b3f566784c233260d4c4d73ae74f84b66cfe5ca01011d6cea80e03f5 Miraibash curl elf mirai wget
http://104.248.155.103/Binarys/Owari.sh4af3228f3ea460aad891c7eb7778269c210eb2fcf6ef0894ab54dbc4b2734d805 Miraibash curl elf mirai wget

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c0a2034e50050b2e6ed985linux22vpnfull_triage
Tags:
trojandownloader trojware agent
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67c0a1e84a3011c802c33226/reports/b9c9ddf0-6426-4449-af9c-821605c91495/overview
Result
Verdict:
MALICIOUS
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/81c7acbcf03e7cc751c00e2c33b2c251d034ecc6dddb28aae4fef6a9f7d83ecc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81c7acbcf03e7cc751c00e2c33b2c251d034ecc6dddb28aae4fef6a9f7d83ecc/
Threat name:
Win32.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-27 17:33:20 UTC
File Type:
Text (Shell)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhd2zphqhz6mouoabywdhmwckhidj3gg3xnsrkxe733kt56yh3ga._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari antivm botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/250227-v4x9estvhx/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (563905) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
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/81c7acbcf03e7cc751c00e2c33b2c251d034ecc6dddb28aae4fef6a9f7d83ecc

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_Shellscript_Downloader
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders

File information

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

Web download

Mirai

sh 81c7acbcf03e7cc751c00e2c33b2c251d034ecc6dddb28aae4fef6a9f7d83ecc

(this sample)

Mirai

elf 902fef384656d3fb3f1a201c3fbd2c73138803388a4194bb395a4374425e6f0b

  
URLhaus
https://urlhaus.abuse.ch/url/3459982/
  
Delivery method
Distributed via web download
  
Dropping
MD5 626d83173ff61278ddf85e9d5e57df7a
  
Dropping
SHA256 902fef384656d3fb3f1a201c3fbd2c73138803388a4194bb395a4374425e6f0b

Comments