MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42a2e09d6322eb8f86a5676d862df50652617409e914b8d34f1072e2727dbf31. 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 2 File information Comments

SHA256 hash: 42a2e09d6322eb8f86a5676d862df50652617409e914b8d34f1072e2727dbf31
SHA3-384 hash: 8e3e2ef8f7a8433e5841fcca011f0912224dd8c1d6e421507ff5d52e55b44c7221b40164565577d99d052ff1214cdf5d
SHA1 hash: 1d9a8b306bf9fe8cabae87b45734478d12817a05
MD5 hash: e12dd1d9e032048b01fbf9612b898d23
humanhash: red-kilo-table-foxtrot
File name:mipsel
Download: download sample
Signature Mirai
File size:219'284 bytes
First seen:2025-08-14 15:06:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:3smCMpktx2DCjJ9FariL8/k0vnBEari8M1bEUqRkJO:HYx2DW6riIM0ZEcRM1AUqRkJ
TLSH T13024A60A9F610EFBD8AFDE3746E90B0635CC650722A83B363674D524F54A94F4AD3C68
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 :
45
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Sets a written file as executable
Kills processes
Connection attempt
Substitutes an application name
Kills critical processes
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin obfuscated remote threat
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757157 Sample: mipsel.elf Startdate: 14/08/2025 Architecture: LINUX Score: 100 29 87.248.150.68, 8060 CWM-ASIR Iran (ISLAMIC Republic Of) 2->29 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 2 other IPs or domains 2->33 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 9 mipsel.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 mipsel.elf 9->17         started        process6 19 mipsel.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 mipsel.elf 19->23         started        signatures8 process9
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-08-13 22:58:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
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 42a2e09d6322eb8f86a5676d862df50652617409e914b8d34f1072e2727dbf31

(this sample)

  
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