MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84c848f18c5c2e40a44a76203acd87ad00ad86f74834102120361738ca742b75. 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: 84c848f18c5c2e40a44a76203acd87ad00ad86f74834102120361738ca742b75
SHA3-384 hash: 3f48e4b72037bff289189872200f15955030594863ad3fcb2e794721b47de12772c3159888624e7676f2aefac8166c07
SHA1 hash: ee70171fdccf0f6ebc1f45cb0fe0f3b213b2477f
MD5 hash: 23b43b75dc6752c329072c91ea0d711a
humanhash: football-ink-monkey-tango
File name:debug
Download: download sample
Signature Mirai
File size:76'444 bytes
First seen:2025-12-02 15:31:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:DLGFhuaVeHif6K8GkMLqs5TsqLK0ix7AXPIg+y1cQm9/XFxUtebgHdnouy8Gy+:Dwh3ydM5K0ixA/ImdmxUUbgFout6
TLSH T166730287C7BC8A42C47AA07A95A2FCD70023649862F3A1C76FC69CD19C35F7A2905BD5
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 UPX
File size (compressed) :76'444 bytes
File size (de-compressed) :204'776 bytes
Format:linux/i386
Unpacked file: 8bec27cf846326b147531cb7adde85dee8d692078e00381d42229205ec110559

Intelligence


File Origin
# of uploads :
1
# of downloads :
25
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Result
Gathering data
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824585 Sample: debug.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 49 71.5.69.152, 23 XO-AS15US United States 2->49 51 196.129.226.62, 23 Vodafone-EG Egypt 2->51 53 99 other IPs or domains 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected Gafgyt 2->59 61 3 other signatures 2->61 9 debug.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 file5 45 /usr/Bin), ELF 9->45 dropped 14 debug.elf 9->14         started        16 debug.elf sh 9->16         started        18 debug.elf 9->18         started        20 5 other processes 9->20 process6 process7 22 debug.elf 14->22         started        24 debug.elf 14->24         started        26 debug.elf 14->26         started        38 117 other processes 14->38 28 sh crontab 16->28         started        32 sh 16->32         started        34 debug.elf 18->34         started        36 debug.elf 18->36         started        40 2 other processes 18->40 file8 47 /var/spool/cron/crontabs/tmp.KxY6N8, ASCII 28->47 dropped 65 Sample tries to persist itself using cron 28->65 67 Executes the "crontab" command typically for achieving persistence 28->67 42 sh crontab 32->42         started        signatures9 process10 signatures11 63 Executes the "crontab" command typically for achieving persistence 42->63
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-02 15:32:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Creates/modifies Cron job
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (48823) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft21.redirectme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 84c848f18c5c2e40a44a76203acd87ad00ad86f74834102120361738ca742b75

(this sample)

  
Delivery method
Distributed via web download

Comments