MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002
SHA3-384 hash: 95dad2908f776559fda3b18fb3511cc61a6d71cb867092dc7ea45cd13cc8e02dacb6878ad2125c0c5e1aa982f85643b3
SHA1 hash: a71353fc7e5de8c6e1ad3fd7bfd9f6e7f8bb09d2
MD5 hash: 3b410c2b74dd9ecff0cb64358f6ff77e
humanhash: nineteen-yellow-tennis-seventeen
File name:main_mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:186'036 bytes
First seen:2025-07-20 15:38:36 UTC
Last seen:2025-08-08 02:19:41 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:DLRbVB7/GxoumGEHJWQCx79TGU6WmWRGXfmYR4LCRooGYFZYsMKvIJgfhBbAJkUt:HRbVUx13iJ85BGUNKo/UPwgfhSJWW
TLSH T12504F916AF610FFBD8ABCD3706ED0B0239CC945722A53B363674D624F54A94B4AD3C68
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 :
19
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Locks files
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Creating a file
Runs as daemon
Launching a process
Sends data to a server
Connection attempt
Traces processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/687d0da78a7d628a81b88934/reports/88ad0daf-de69-4dd7-93d4-65bebbebb3d3/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/51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/983ffa60-3c75-4205-ab78-b5ca3d78175e
Behavior Graph:
Download SVG
%3 guuid=1a774a17-1900-0000-490f-a5298b110000 pid=4491 /usr/bin/sudo guuid=f5ca4619-1900-0000-490f-a52993110000 pid=4499 /tmp/sample.bin guuid=1a774a17-1900-0000-490f-a5298b110000 pid=4491->guuid=f5ca4619-1900-0000-490f-a52993110000 pid=4499 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f3590815-4a83-4d13-a109-17b3982ea63e
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1740565
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740565 Sample: main_mpsl.elf Startdate: 20/07/2025 Architecture: LINUX Score: 80 32 109.202.202.202, 80 INIT7CH Switzerland 2->32 34 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->34 36 2 other IPs or domains 2->36 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 9 main_mpsl.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 main_mpsl.elf sh 9->15         started        process6 17 sh crontab 15->17         started        21 sh 15->21         started        file7 30 /var/spool/cron/crontabs/tmp.mQTHil, ASCII 17->30 dropped 38 Sample tries to persist itself using cron 17->38 40 Executes the "crontab" command typically for achieving persistence 17->40 23 sh crontab 21->23         started        26 sh crontab 21->26         started        28 sh grep 21->28         started        signatures8 process9 signatures10 50 Executes the "crontab" command typically for achieving persistence 23->50
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-20 15:39:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgzz2nms7oza2dtunf6w3aj3iqtmtpr4nkkn5epih7tkt25ccaba._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250720-s3qf3sszdv/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Creates/modifies Cron job
Enumerates running processes
Deletes itself
Traces itself
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/b8f09744-0625-4634-aedd-38b03045c86e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
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 51b39d3592fbb20d0e74697d6d813b4426c9be3c6a94de91e83fe6a9eba21002

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575763/
  
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