MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64
SHA3-384 hash: 2de1bb01b9da13cea863ae9790c3957f288553b0ce1319527b76c482f3d87095201d2212b9595e6d81a592a5f1beb14d
SHA1 hash: b2de1f68a385ce4c5d5127b8fa6a7e8292681040
MD5 hash: 821541bd01bc2ffea29f2baf9ad41130
humanhash: carolina-whiskey-moon-minnesota
File name:rrrdsl
Download: download sample
Signature Mirai
Create hunting rule
File size:214'264 bytes
First seen:2025-03-07 14:37:02 UTC
Last seen:2025-03-08 07:20:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3OtyYRRCS/uJIA/tIusWkt5s33HKrc8xHiD/:3OtpRRCS/uCFWQ582/xC
TLSH T1C524D90AAF610FBBECAFCD3706E9070125CCA51722A43B357674D528F55AA4B4AE3C74
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cb05afc668b65489bfd45elinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Removes directories
Connection attempt
Creating a file
DNS request
Runs as daemon
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
bash lolbin remote
Link:
https://www.filescan.io/uploads/67cb04a63c5f644bd947f52e/reports/4c7e575f-c45e-470e-b053-14baa9076633/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6135e207-5df7-4d49-9e7b-2251028e7b76
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1631851
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1631851 Sample: rrrdsl.elf Startdate: 07/03/2025 Architecture: LINUX Score: 88 28 221.164.180.254, 5000, 5571 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->28 30 221.164.207.180, 5000, 5571 YSU-AS-KRyoungsanuniversityKR Korea Republic of 2->30 32 100 other IPs or domains 2->32 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Gafgyt 2->42 44 Yara detected Mirai 2->44 8 rrrdsl.elf 2->8         started        10 systemd rsyslogd 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 46 other processes 2->14 signatures3 process4 process5 16 rrrdsl.elf 8->16         started        signatures6 34 Sample tries to kill multiple processes (SIGKILL) 16->34 36 Sample deletes itself 16->36 19 rrrdsl.elf 16->19         started        22 rrrdsl.elf 16->22         started        24 rrrdsl.elf 16->24         started        26 2 other processes 16->26 process7 signatures8 46 Sample tries to kill multiple processes (SIGKILL) 19->46
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-07 14:37:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnvd3wxknhlkfnf54yvfip7pwiwakxtphmawlvav2ahbfrrl3nsa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250307-ry8ana1yey/
Behaviour
Changes its process name
Creates a large amount of network flows
Writes file to system bin folder
Deletes Audit logs
Deletes itself
Deletes journal logs
Modifies Watchdog functionality
Contacts a large (6734) amount of remote hosts
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a1aa7200-bf7f-4c72-890f-e88705bbd5d4
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/5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3459073/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments