MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec7fb3658c4e69ca369c9e29dd2f16829c89b987d3a43ed737bbc4591626db20. 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 15 File information Comments

SHA256 hash: ec7fb3658c4e69ca369c9e29dd2f16829c89b987d3a43ed737bbc4591626db20
SHA3-384 hash: c342275e733a269c41d4877e217d4a1eb52d5b6ee9d0590c98893cdf8bc9375e6ba6fef604e3b933158c06cd961690ff
SHA1 hash: dd8bf5f895141c82f30a6f90f6454300dd09e7a9
MD5 hash: f9fdc6c613180fdaa36feba381f351e7
humanhash: ceiling-lithium-quebec-ten
File name:rizzx.i686
Download: download sample
Signature Mirai
File size:87'316 bytes
First seen:2026-02-26 04:14:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4Cta7hGpHVD7tYWn+qfk1ersW0INKC4EsvQ5O927HTn:ta74pNtYWnzfmS1NKC4EcQnTn
TLSH T19C8319C1FA8B80F6D51788304062F63FDA32E9695061D75DDF9AAF36DA33681A213349
telfhash t18b31b1fe2abe1ce89bd05942b2096f212e0e677f145436e34533d825662fe82116bc39
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 b725da3ea68c7f7f8d65a6317edbfdf87666b05cb3ddbadad7f21b53319e00d9
File size (compressed) :41'404 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Packed file: b725da3ea68c7f7f8d65a6317edbfdf87666b05cb3ddbadad7f21b53319e00d9

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-26 04:15:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
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
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: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_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 ec7fb3658c4e69ca369c9e29dd2f16829c89b987d3a43ed737bbc4591626db20

(this sample)

Comments