MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fafd61177bb46677d5f5ed4e12638f18a13a4f9a753e3052780081cfd37cfa3. 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 18 File information Comments

SHA256 hash: 3fafd61177bb46677d5f5ed4e12638f18a13a4f9a753e3052780081cfd37cfa3
SHA3-384 hash: b06fb3f0326307f8d00edcbe837fe158e96eceedc91712f93694b4a2845779c5be876e570494bf5ee538bdc410fa26a2
SHA1 hash: b79784bd88b37df970528c692c4ab7dfc05499e5
MD5 hash: f224b63cf949baf28e3b477eab89300d
humanhash: robert-oranges-summer-beryllium
File name:Polar.x86
Download: download sample
Signature Mirai
File size:135'852 bytes
First seen:2026-03-04 21:04:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:eNTuRSWV9FrpRNefM8hnBU+vDABiA7blxeRgiH:qT+SWV9608h7dA3TeGiH
TLSH T145D36CC4F64FC4F5E81215713036BB72AA73ED3A113EDA43D3B95A219CA3981D91A36C
telfhash t1875128f9f97608e957d08803d24e6731bc0db77b2464367605f76979326ae0250bbc39
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d503553d798b7fb2fc8335c661cd2d37f1721549ffe2aea420d28e9944253b77
File size (compressed) :56'180 bytes
File size (de-compressed) :135'852 bytes
Format:linux/i386
Packed file: d503553d798b7fb2fc8335c661cd2d37f1721549ffe2aea420d28e9944253b77

Intelligence


File Origin
# of uploads :
1
# of downloads :
52
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=17c12eb4-1900-0000-75e5-fcb07c070000 pid=1916 /usr/bin/sudo guuid=2655cab6-1900-0000-75e5-fcb084070000 pid=1924 /tmp/sample.bin net guuid=17c12eb4-1900-0000-75e5-fcb07c070000 pid=1916->guuid=2655cab6-1900-0000-75e5-fcb084070000 pid=1924 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2655cab6-1900-0000-75e5-fcb084070000 pid=1924->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=be50f9b6-1900-0000-75e5-fcb085070000 pid=1925 /tmp/sample.bin guuid=2655cab6-1900-0000-75e5-fcb084070000 pid=1924->guuid=be50f9b6-1900-0000-75e5-fcb085070000 pid=1925 clone guuid=ed852ce3-1a00-0000-75e5-fcb0e6090000 pid=2534 /tmp/sample.bin guuid=2655cab6-1900-0000-75e5-fcb084070000 pid=1924->guuid=ed852ce3-1a00-0000-75e5-fcb0e6090000 pid=2534 clone guuid=1da23ae3-1a00-0000-75e5-fcb0e7090000 pid=2535 /tmp/sample.bin net send-data zombie guuid=2655cab6-1900-0000-75e5-fcb084070000 pid=1924->guuid=1da23ae3-1a00-0000-75e5-fcb0e7090000 pid=2535 clone guuid=48a803b7-1900-0000-75e5-fcb086070000 pid=1926 /tmp/sample.bin guuid=be50f9b6-1900-0000-75e5-fcb085070000 pid=1925->guuid=48a803b7-1900-0000-75e5-fcb086070000 pid=1926 clone guuid=6dd808b7-1900-0000-75e5-fcb087070000 pid=1927 /tmp/sample.bin dns net send-data zombie guuid=be50f9b6-1900-0000-75e5-fcb085070000 pid=1925->guuid=6dd808b7-1900-0000-75e5-fcb087070000 pid=1927 clone guuid=6dd808b7-1900-0000-75e5-fcb087070000 pid=1927->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 40B 5de5b0e9-e7ba-5d7a-aeb3-7aac16989294 moiamonprime.myddns.me:69 guuid=6dd808b7-1900-0000-75e5-fcb087070000 pid=1927->5de5b0e9-e7ba-5d7a-aeb3-7aac16989294 send: 6B guuid=1da23ae3-1a00-0000-75e5-fcb0e7090000 pid=2535->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1200B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=1da23ae3-1a00-0000-75e5-fcb0e7090000 pid=2535->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Gathering data
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-03-04 21:05:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
moiamonprime.myddns.me
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:unixredflags3
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 3fafd61177bb46677d5f5ed4e12638f18a13a4f9a753e3052780081cfd37cfa3

(this sample)

  
Delivery method
Distributed via web download

Comments