MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e
SHA3-384 hash: e929ce407a86b5e4a8226237773c1df6619fc42964f4246f3bf9d3237e59c72ba6a46dcf52174ee987b7d896a58c85d9
SHA1 hash: fbae061d06f067cb163b3d41677e62289a16a70e
MD5 hash: d166c97686b1ab0a1a41e67eb9232367
humanhash: echo-maine-cat-stream
File name:rtz
Download: download sample
Signature Mirai
Create hunting rule
File size:146'269 bytes
First seen:2025-06-08 01:37:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qssaG7J/qS7SFnga0pkdHWD2/WXMKXxur4TCM/9emcJ0E:qsJG7J/qS4ga0pkdHWK/2Bur4eM/9aOE
TLSH T126E32B46EA808B13C4D61776BADF42463323AB54D3DB730699287FB43F8679E0E63605
telfhash t1aa31bb31572051155aa2eda0dded97a21529a7173744ab33ee3684cc241a0aaea3ac8f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6844ea7d8bd5d68a12e69c7blinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Mounts file systems
DNS request
Runs as daemon
Creating a file
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/6844e959e336a33801e5394e/reports/7481885a-4fc0-4195-bf70-5e58c980f034/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.87.197:38241
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4715b42c-9bed-4ab9-b1ee-aae0c1055bd8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1709106
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1709106 Sample: rtz.elf Startdate: 08/06/2025 Architecture: LINUX Score: 80 16 enemybotnet.com 196.251.87.197, 38241, 51914 SONIC-WirelessZA Seychelles 2->16 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 2 other IPs or domains 2->20 22 Antivirus / Scanner detection for submitted sample 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 2 other signatures 2->28 8 rtz.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        signatures3 process4 process5 12 rtz.elf 8->12         started        process6 14 rtz.elf 12->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-08 01:38:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=khudzttmoxi3v46h46vskxct2pyc6d7hdoyhdttigm6dr2mooopa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250608-b2tzfavkv7/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
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/51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e

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_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 51e83cce6c75d1baf3c7e7ab255c53d3f02f0fe71bb071ce68333c38e98e739e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3556531/
  
Delivery method
Distributed via web download

Comments