MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f8fa66fb2f02b94c5bbfe5974381ea0a3cb82e74b319a18ff60e76eacdbda37. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 2f8fa66fb2f02b94c5bbfe5974381ea0a3cb82e74b319a18ff60e76eacdbda37
SHA3-384 hash: c37d29c544f23d9e34cf80c233e4e4284d773583b7e85816e12d3bb08d3e9cf2743da76d3273c5835ae8716efe614b3c
SHA1 hash: b29f38bf8945b5121565d4c050d17d0218c04907
MD5 hash: 94041b89af028684c8d1cbde50610df5
humanhash: mountain-comet-william-mirror
File name:morte.i686
Download: download sample
Signature Mirai
File size:64'584 bytes
First seen:2025-12-02 12:38:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BnZXWAN4Ka83hTxmBWRKu43t5ACIf8vM0Ltlf+MGLEWoqHInouy8Hy3:fXSgXmBWRsdzIf8EiGLTtHgoutM
TLSH T1EE530267C9252A18E3FEB03026962DFE5035D919B3F84FDFD6D0AD9F9812D1A1A6C00D
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) :64'584 bytes
File size (de-compressed) :170'672 bytes
Format:linux/i386
Unpacked file: 5774cbcc0fab1db274ecda79b6bc50fbbc6933a189f6cb762acd70dc46d13135

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Result
Gathering data
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824356 Sample: morte.i686.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 79 167.72.157.122, 23 WA-STATE-GOVUS United States 2->79 81 213.53.43.88, 23 UUNETUS Netherlands 2->81 83 98 other IPs or domains 2->83 87 Suricata IDS alerts for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Detected Mirai 2->91 93 4 other signatures 2->93 12 morte.i686.elf 2->12         started        signatures3 process4 process5 14 morte.i686.elf 12->14         started        16 morte.i686.elf 12->16         started        process6 18 morte.i686.elf 14->18         started        file7 69 /etc/init.d/sysd, POSIX 18->69 dropped 95 Sample tries to set files in /etc globally writable 18->95 97 Drops files in suspicious directories 18->97 99 Sample tries to persist itself using System V runlevels 18->99 22 morte.i686.elf 18->22         started        24 morte.i686.elf 18->24         started        27 morte.i686.elf sh 18->27         started        signatures8 process9 file10 29 morte.i686.elf 22->29         started        31 morte.i686.elf sh 22->31         started        33 morte.i686.elf 22->33         started        41 4 other processes 22->41 71 /usr/Bin), ELF 24->71 dropped 35 morte.i686.elf 24->35         started        37 morte.i686.elf sh 24->37         started        39 sh cp 27->39         started        process11 signatures12 58 691 other processes 29->58 44 sh crontab 31->44         started        48 sh 31->48         started        50 morte.i686.elf 33->50         started        52 morte.i686.elf 33->52         started        60 2 other processes 33->60 62 298 other processes 35->62 54 sh crontab 37->54         started        56 sh 37->56         started        101 Manipulation of devices in /dev 41->101 process13 file14 73 /var/spool/cron/crontabs/tmp.qXOLOo, ASCII 44->73 dropped 64 sh crontab 48->64         started        103 Deletes system log files 50->103 75 /var/spool/cron/cr...mp.tGZnJd (deleted), ASCII 54->75 dropped 77 /dev/null (deleted), ASCII 54->77 dropped 105 Manipulation of devices in /dev 54->105 107 Sample tries to persist itself using cron 54->107 109 Executes the "crontab" command typically for achieving persistence 54->109 67 sh crontab 56->67         started        signatures15 process16 signatures17 85 Executes the "crontab" command typically for achieving persistence 64->85
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-02 11:38:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
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
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Contacts a large (48308) 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: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 2f8fa66fb2f02b94c5bbfe5974381ea0a3cb82e74b319a18ff60e76eacdbda37

(this sample)

  
Delivery method
Distributed via web download

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