MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 577a3af665bf93235edd4e962acc8926ba04437350d2590d31a5912cb917f4c8. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 577a3af665bf93235edd4e962acc8926ba04437350d2590d31a5912cb917f4c8
SHA3-384 hash: b977b1e14faf11806a287dbd09bcdeedfd9aad4b7108d5316501177165dd4a21f63eec7e6c4d30bddc5dde1eb3ee7b57
SHA1 hash: 49f290ff3a57b5df223ac597c534718b069a2fce
MD5 hash: 0302d5fc346ec03e01b5ff37f44a49ad
humanhash: minnesota-batman-hamper-robin
File name:sora.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:59'984 bytes
First seen:2025-10-29 15:19:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:MOssuiundFq4ZthwLi/pXUfx0WbVGoPCdgZl7dbFfGa:xzuXndFq4ZthB/VUfOWhGoPKgj7dpOa
TLSH T1784349C4B183F9F1DC05017C306AEB326E33F0B6713AED9BD7E455B3A855606960AA9C
telfhash t1ae11e9fa1a7f18ecfbd8a180c29daf125d5ee13b15d133a45522a9292293c81517ecb8
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 54324988fa25f00a11963873cb3bc1c1e94aa0d9ae4e46b994a61ea720b94ecc
File size (compressed) :27'704 bytes
File size (de-compressed) :59'984 bytes
Format:linux/i386
Packed file: 54324988fa25f00a11963873cb3bc1c1e94aa0d9ae4e46b994a61ea720b94ecc

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Opens a port
Sends data to a server
Substitutes an application name
Kills critical processes
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/690244ffa3d16310951fab01/reports/82819407-0433-4846-8061-c02a4491871c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-19T03:12:00Z UTC
Last seen:
2025-08-19T03:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/577a3af665bf93235edd4e962acc8926ba04437350d2590d31a5912cb917f4c8/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2cf0622b-ccd2-4af3-875c-5e4112ca096e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1804721
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804721 Sample: sora.x86.elf Startdate: 30/10/2025 Architecture: LINUX Score: 72 48 213.59.137.6 ZT-TOMSK-ASRU Russian Federation 2->48 50 114.211.97.252 XEPHIONNTT-MECorporationJP China 2->50 52 98 other IPs or domains 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected Mirai 2->60 10 sora.x86.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 process5 18 sora.x86.elf 10->18         started        20 sora.x86.elf 10->20         started        22 sora.x86.elf 10->22         started        process6 24 sora.x86.elf 18->24         started        26 sora.x86.elf 18->26         started        28 sora.x86.elf 20->28         started        30 sora.x86.elf 20->30         started        32 sora.x86.elf 20->32         started        process7 34 sora.x86.elf 24->34         started        36 sora.x86.elf 24->36         started        38 sora.x86.elf 24->38         started        40 sora.x86.elf 28->40         started        42 sora.x86.elf 28->42         started        process8 44 sora.x86.elf 34->44         started        46 sora.x86.elf 34->46         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/577a3af665bf93235edd4e962acc8926ba04437350d2590d31a5912cb917f4c8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/577a3af665bf93235edd4e962acc8926ba04437350d2590d31a5912cb917f4c8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 18:49:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k55dv5tfx6jsgxw5j2lcvteje25aiq3tkdjfsdjruwiszoix6tea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-vbg2qsyqgq/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (92356) amount of remote hosts
Creates a large amount of network flows
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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf 54324988fa25f00a11963873cb3bc1c1e94aa0d9ae4e46b994a61ea720b94ecc

Mirai

elf 577a3af665bf93235edd4e962acc8926ba04437350d2590d31a5912cb917f4c8

(this sample)

  
Dropped by
SHA256 54324988fa25f00a11963873cb3bc1c1e94aa0d9ae4e46b994a61ea720b94ecc
  
URLhaus
https://urlhaus.abuse.ch/url/3605681/
  
Delivery method
Distributed via web download

Comments