MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97a1a2fb6691566e43950717ad5aa4459231c8a5f9fd53298064080b24ecd1ea. 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 7 File information Comments

SHA256 hash: 97a1a2fb6691566e43950717ad5aa4459231c8a5f9fd53298064080b24ecd1ea
SHA3-384 hash: 377f70e0ec4e6b5f9b5dcd7ac24ae831f747f756e499843d97be9640941da92363b107e626e0b59b395434654037e95a
SHA1 hash: 28c46b16fe3b87b590407e0dd4d35df59c673423
MD5 hash: 5a468969618a24b7a5f80ce520b59a62
humanhash: nuts-spaghetti-pizza-berlin
File name:arm7
Download: download sample
Signature Mirai
File size:178'356 bytes
First seen:2025-02-10 18:56:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:QN/L/JXJQawBiRCKf2ehJ7QZpaHZooHAnbW7ubgOKMifvvEUiM/9kE7da0Y:QN/1XJQuflhJ7apaHZooHAbpOvvE9M/A
TLSH T127042A4AEA818E63C4D7177EBA9F425D333297E093DB7306C8187BB43F4266A0D67605
telfhash t1a321cd324b2442156b62eda0ccfd9797412993163344eb33df36c58c240a0eaea32c9f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Kills processes
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611345 Sample: arm7.elf Startdate: 10/02/2025 Architecture: LINUX Score: 88 25 thekittler.ru. [malformed] 2->25 27 polizei.su. [malformed] 2->27 29 50 other IPs or domains 2->29 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 41 2 other signatures 2->41 8 arm7.elf 2->8         started        10 xfce4-session rm 2->10         started        12 xfce4-session xfdesktop 2->12         started        14 11 other processes 2->14 signatures3 39 Sends malformed DNS queries 27->39 process4 process5 16 arm7.elf 8->16         started        process6 18 arm7.elf 16->18         started        21 arm7.elf 16->21         started        23 arm7.elf 16->23         started        signatures7 31 Sample tries to kill multiple processes (SIGKILL) 18->31
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-02-10 18:57:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Renames itself
Contacts a large (26094) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6981160-0
YARA:
n/a
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Mirai

elf 97a1a2fb6691566e43950717ad5aa4459231c8a5f9fd53298064080b24ecd1ea

(this sample)

  
Delivery method
Distributed via web download

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