MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8e138dda1e2e63a38271e711b29176aad6a0e7e3c0ff47d2632348d4e04544f. 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 3 File information Comments

SHA256 hash: f8e138dda1e2e63a38271e711b29176aad6a0e7e3c0ff47d2632348d4e04544f
SHA3-384 hash: b32ac2f645bccc33f5b054fdc2e571b486a240e7ff4f293d37d879f97f700c54d859fd151235bf0f1bf47f3e2b7d8287
SHA1 hash: f75ae92b0b014eeee8c99a2e639af6ce1bd79ce6
MD5 hash: 3fbaf64c91e099bf2c628c817d9b2783
humanhash: india-enemy-august-yankee
File name:g5
Download: download sample
Signature Mirai
File size:79'764 bytes
First seen:2025-01-12 18:31:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:DbSnKqsVqg5sjuDTMUN3xYcaHa+nMuizPfKzdBnYgIZgTeg:HKIjNjNjPfKzdB/JT
TLSH T1A3730956F9815A42C5D402BB792E569E33076BB8E3DE3313ED241B24778B62F0F27906
telfhash t143c080d1d06502dc7bc107d8144860742b587bff3f0e752bd55c1b0541774c42174d05
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 :
137
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deleting a recently created file
Creating a file in the %temp% directory
Launching a process
Manages services
Kills processes
Sends data to a server
Opens a port
Creating a file
Collects information on the network activity
Sets a written file as executable
Receives data from a server
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
64 / 100
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1589541 Sample: g5.elf Startdate: 12/01/2025 Architecture: LINUX Score: 64 54 Multi AV Scanner detection for submitted file 2->54 9 g5.elf 2->9         started        13 xfce4-panel wrapper-2.0 2->13         started        15 xfce4-panel wrapper-2.0 2->15         started        17 5 other processes 2->17 process3 file4 48 /tmp/crontab.tmp, troff 9->48 dropped 50 /etc/init.d/hello, Bourne-Again 9->50 dropped 56 Sample tries to kill multiple processes (SIGKILL) 9->56 58 Drops files in suspicious directories 9->58 19 g5.elf sh 9->19         started        21 g5.elf 9->21         started        23 g5.elf sh 9->23         started        25 2 other processes 9->25 signatures5 process6 process7 27 sh crontab 19->27         started        31 g5.elf 21->31         started        33 sh systemctl 23->33         started        35 sh systemctl 25->35         started        37 sh 25->37         started        file8 52 /var/spool/cron/crontabs/tmp.tF6UvA, troff 27->52 dropped 60 Sample tries to persist itself using cron 27->60 62 Executes the "crontab" command typically for achieving persistence 27->62 39 g5.elf 31->39         started        41 g5.elf 31->41         started        43 g5.elf 31->43         started        signatures9 process10 process11 45 g5.elf 39->45         started        signatures12 64 Sample tries to kill multiple processes (SIGKILL) 45->64
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-01-12 18:32:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Executes dropped EXE
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Author:Elastic Security
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 f8e138dda1e2e63a38271e711b29176aad6a0e7e3c0ff47d2632348d4e04544f

(this sample)

  
Delivery method
Distributed via web download

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