MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81e8a6a027ef122e596d7711970ce01f2b74b53be750a13050cc749da6a80b68. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81e8a6a027ef122e596d7711970ce01f2b74b53be750a13050cc749da6a80b68
SHA3-384 hash: 3ee2c628a6c9f7d9d2e435b4af608adf5a6f7ed56309f596250d4fb51e49f7eaaeb3aeb7f769765230a059c0060b1e79
SHA1 hash: 8fb739e6b9268a3391819bb213e47c88f60378cd
MD5 hash: ce3f8985258e149cc22289c50faac938
humanhash: nine-early-winter-blue
File name:rrrdsl
Download: download sample
Signature Mirai
Create hunting rule
File size:208'448 bytes
First seen:2025-03-23 09:41:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:J4Tc0VDsMHq+16O308PrZsHxRms8iC9hYwvDlM:eTcuDsMHq+sSbPryRRNJC/vDS
TLSH T1E214D819AB520EFBDCAFCE3706E9070629CC641722A43B3A3674D918F54B54B59E3C78
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 :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e1955ebb84e066269e8713linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Deletes a file
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Kills processes
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android lolbin mirai remote
Link:
https://www.filescan.io/uploads/67dfd774e05c48ec61e662d9/reports/09f8539e-44fc-472f-95b8-4e7e2f3f9157/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/92d74dfb-c33b-4e19-8bea-f0310354bd2b
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1646111
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1646111 Sample: rrrdsl.elf Startdate: 23/03/2025 Architecture: LINUX Score: 64 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 raw.awaken-network.net 141.98.10.142, 2211, 41918, 42020 HOSTBALTICLT Lithuania 2->28 30 2 other IPs or domains 2->30 34 Multi AV Scanner detection for submitted file 2->34 8 rrrdsl.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 gnome-session-binary sh gsd-wacom 2->12         started        14 15 other processes 2->14 signatures3 process4 process5 16 rrrdsl.elf 8->16         started        19 wrapper-2.0 xfpm-power-backlight-helper 10->19         started        signatures6 32 Sample deletes itself 16->32 21 rrrdsl.elf 16->21         started        24 rrrdsl.elf 16->24         started        process7 signatures8 36 Manipulation of devices in /dev 21->36 38 Deletes system log files 21->38 40 Sample tries to kill multiple processes (SIGKILL) 24->40
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81e8a6a027ef122e596d7711970ce01f2b74b53be750a13050cc749da6a80b68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81e8a6a027ef122e596d7711970ce01f2b74b53be750a13050cc749da6a80b68/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-22 05:00:03 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhuknibh54jc4wlno4izodhad4vxjnj345ikcmcqzr2j3jvibnua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/250323-lpd3kawvey/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Gathering data
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/81e8a6a027ef122e596d7711970ce01f2b74b53be750a13050cc749da6a80b68

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_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 81e8a6a027ef122e596d7711970ce01f2b74b53be750a13050cc749da6a80b68

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3487135/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3477313/

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