MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e
SHA3-384 hash: b2291419b1dc60f20aa7f5a6dce1cccd4c86bb2214a211b2e1cf8266371f82726fca0df0626365eb4c0c7e9096d94de7
SHA1 hash: 3d4d2011dc7ef9bb63c211f34479c1f9394d4b7d
MD5 hash: 39cbaaf449babd4f6ea1e7525d29deea
humanhash: cardinal-wyoming-quiet-single
File name:cat.sh
Download: download sample
Signature Mirai
Create hunting rule
File size:1'873 bytes
First seen:2026-06-15 09:17:57 UTC
Last seen:2026-06-15 10:54:30 UTC
File type: sh
MIME type:text/x-shellscript
ssdeep 48:srRv5uMqZp1liP5gCa3xXxAdd7o78gyqXdqZ5Y:i+1I3k
TLSH T1DB31D08E70F56182C5DECE0070E589D863A5B5D371DA2F3ADC812EE6C4C9D587019BBB
TrID 70.0% (.SH) Linux/UNIX shell script (7000/1)
30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika shell
Reporter BlinkzSec
URLMalware sample (SHA256 hash)SignatureTags
http://176.65.139.51/iran.x86_64n/an/aelf ua-wget
http://176.65.139.51/iran.aarch647671dc35188a9e194c59b8ce184ce49063fca7867c1eeea9e9d0041ba5fba9f5 Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.m68kn/an/a176-65-139-51 elf ua-wget
http://176.65.139.51/iran.mips9981c5ac67c91223db89a4b04af52b904caeb2f8f331b8d2d43aa0c16be5203e Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.mipseln/an/a176-65-139-51 elf ua-wget
http://176.65.139.51/iran.powerpcn/an/a176-65-139-51 elf ua-wget
http://176.65.139.51/iran.sparcn/an/a176-65-139-51 elf ua-wget
http://176.65.139.51/iran.sh4n/an/a176-65-139-51 elf ua-wget
http://176.65.139.51/iran.arcd077d0845e5a766c6950693f8754a2ccc1a6b006280239b01bfeb254005c4270 Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.i4867fab9539123c9bc54cf6a214b7fd3b4e793c84781e8c4ef5b96a46666c8c44ce Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.armv4l55152340a75bdd588257c216ff91300d67e3bd4890874cc3c121deece6169d7a Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.armv5lbb450bb578d885ec00a06123c1835a171448f8a73ef90df9c8e9e70575a92659 Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.armv6l6f6834dedf922b0427a5fb5e55c92f5a943ace55cea840800d4d5e8c2926fe5f Mirai176-65-139-51 elf mirai ua-wget
http://176.65.139.51/iran.armv7l8136f1aa1d8a2ea6374fff397154664be5d8fa3646c9a54a5bc1594cffbd33e2 Mirai176-65-139-51 elf mirai ua-wget

Intelligence

File Origin
# of uploads :
2
# of downloads :
59
Origin country :
TR TR
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-06-12T04:36:00Z UTC
Last seen:
2026-06-15T08:32:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Downloader.Shell.Agent.a
Link:
https://opentip.kaspersky.com/28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a9c5f958-af5c-4e53-99dd-a94916808a94
Behavior Graph:
Download SVG
%3 guuid=1c063216-1b00-0000-e1c0-bed70e0e0000 pid=3598 /usr/bin/sudo guuid=4d95f018-1b00-0000-e1c0-bed7150e0000 pid=3605 /tmp/sample.bin guuid=1c063216-1b00-0000-e1c0-bed70e0e0000 pid=3598->guuid=4d95f018-1b00-0000-e1c0-bed7150e0000 pid=3605 execve guuid=f83b5f19-1b00-0000-e1c0-bed7170e0000 pid=3607 /usr/bin/wget guuid=4d95f018-1b00-0000-e1c0-bed7150e0000 pid=3605->guuid=f83b5f19-1b00-0000-e1c0-bed7170e0000 pid=3607 execve
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e
Threat name:
Script.Downloader.Iranbot
Create hunting rule
Status:
Malicious
First seen:
2026-06-15 09:15:45 UTC
File Type:
Text (Shell)
AV detection:
11 of 24 (45.83%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbyf7wzlfvh3luxfm27i234umn5lrypli5wrarimzm5pq7pucrpa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux
Link:
https://tria.ge/reports/260615-k9t4vacw3l/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Enumerates running processes
File and Directory Permissions Modification
Deletes itself
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e

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:MAL_Linux_IoT_MultiArch_BotnetLoader_Generic
Create hunting rule
Author:Anish Bogati
Description:Technique-based detection of IoT/Linux botnet loader shell scripts downloading binaries from numeric IPs, chmodding, and executing multi-architecture payloads
Reference:MalwareBazaar sample lilin.sh

File information

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

Web download

Mirai

sh 28705fdb2b2d4fb5d2e566be8d6f94637ab8e1eb476d10450ccb3af87df4145e

(this sample)

Mirai

elf 5969b2b710974bde9d049272ee7e08eccf6ed76e48570d19771bf03874b1f644

Mirai

elf 7671dc35188a9e194c59b8ce184ce49063fca7867c1eeea9e9d0041ba5fba9f5

  
URLhaus
https://urlhaus.abuse.ch/url/3864880/
  
Delivery method
Distributed via web download
  
Dropping
MD5 34592fe30156bbfc834e8f1a3f6d120b
  
Dropping
SHA256 7671dc35188a9e194c59b8ce184ce49063fca7867c1eeea9e9d0041ba5fba9f5

Comments