MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02
SHA3-384 hash: 16730a9100b8dff03047448bf25b58adf97aaf12e2cc63e7f3f53ce1d41e453bb2dcd2c9960d4e94f8d34a10e03473bd
SHA1 hash: f774986f333240a69b141d0b0d42e6f6e0bc7bfb
MD5 hash: 41216506403188a528cc33caf765846f
humanhash: asparagus-arizona-kitten-artist
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:138'832 bytes
First seen:2025-04-22 15:17:25 UTC
Last seen:2025-05-02 16:27:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6H5Dn+Q9HPGTkTUUZR2gkbVfap0ZsRcLJrWyNA+SCepezJRBa2o6o9XJXOg652ax:MJHi8AgAfahRcdypCNz546QS
TLSH T175D30705BFA50FF7E86BCD3745AD2B06258D491A22AA7B36BD74D81CF54B20B09D3834
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 :
3
# of downloads :
88
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.8670.9603.7220.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6807b38f3d067f8483980416linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Kills processes
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6807b33d90767142c3e00df2/reports/d4868904-b84e-4530-97a3-55d2b2a1375d/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/a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b92acbc0-18fb-498f-b26f-be394c21d62c
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1671155
Signature
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1671155 Sample: mipsel.elf Startdate: 22/04/2025 Architecture: LINUX Score: 60 22 kHbW.gwYhHCOrybwjWuzh.live 2->22 24 kHbW.gwYhHCOrybwjWuzh.info 2->24 26 2 other IPs or domains 2->26 30 Multi AV Scanner detection for submitted file 2->30 8 dash rm mipsel.elf 2->8         started        11 dash rm 2->11         started        13 dash cat 2->13         started        15 7 other processes 2->15 signatures3 32 Performs DNS TXT record lookups 24->32 process4 signatures5 34 Sample deletes itself 8->34 17 mipsel.elf 8->17         started        process6 signatures7 28 Opens /sys/class/net/* files useful for querying network interface information 17->28 20 mipsel.elf 17->20         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-22 15:18:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uspvb7n2bxu4gmgqtahwztublqkslueablpkw3b5qktzksjd54ba._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Link:
https://tria.ge/reports/250422-spspaasr12/
Behaviour
Enumerates kernel/hardware configuration
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads MAC address of network interface
Reads network interface configuration
Deletes itself
Unexpected DNS network traffic destination
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/26c8a79e-1c02-4e01-a0d2-ac8440e2fd6d
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/a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02

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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a49f50fdba0de9c330d0980f6cce815c1525d0800adeab6c3d82a7954923ef02

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3521929/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3521938/
  
URLhaus
https://urlhaus.abuse.ch/url/3522701/
  
URLhaus
https://urlhaus.abuse.ch/url/3522728/

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