MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac4f365af13dcc41837a89b371e0126f7d98a868fb46d532a4bcb12797284037. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments

SHA256 hash: ac4f365af13dcc41837a89b371e0126f7d98a868fb46d532a4bcb12797284037
SHA3-384 hash: 0b069f5748354ef14cb731d3ff8e6dac87a27021e3ebab1789d2873b09e67ddc75607b6169b517f7376b51395d1064f4
SHA1 hash: 9cff7d7d0bd57fa864456c2f9271f9459c6e896c
MD5 hash: a207453bf264ec5884df9cd1b420b219
humanhash: solar-dakota-magazine-fish
File name:nigga
Download: download sample
Signature Mirai
File size:194'352 bytes
First seen:2026-01-12 19:47:46 UTC
Last seen:2026-01-13 02:50:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Xq0zGr2Pu2xR592uJBnk9H70KQ1m9I8SwSw6J0rMeRV:60NPuoZ2uJBnk9o35Ejf
TLSH T1DA147B16F68150FFE89AC33852EEA632D9B1B82C1239369D67C5FF153C58A20373DA45
telfhash t1ae419b346d82361811e7c355b31fe52eaeb2081197dc3ba4af27e9e9dd437880c56822
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
157
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 fingerprint
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-12T16:58:00Z UTC
Last seen:
2026-01-12T20:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.gu HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ij
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample contains AV-related strings
Sample pipes script to sh (AV evasion)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849491 Sample: nigga.elf Startdate: 12/01/2026 Architecture: LINUX Score: 64 128 _http._tcp.ch.archive.ubuntu.com 2->128 130 169.254.169.254 USDOSUS Reserved 2->130 132 5 other IPs or domains 2->132 134 Malicious sample detected (through community Yara rule) 2->134 136 Multi AV Scanner detection for submitted file 2->136 138 Sample pipes script to sh (AV evasion) 2->138 140 Sample contains AV-related strings 2->140 13 nigga.elf 2->13         started        15 dash rm 2->15         started        17 dash rm 2->17         started        19 python3.8 dpkg 2->19         started        signatures3 process4 process5 21 nigga.elf sh 13->21         started        23 nigga.elf sh 13->23         started        25 nigga.elf sh 13->25         started        27 3 other processes 13->27 process6 29 sh apt-get 21->29         started        31 sh which 23->31         started        33 sh which 25->33         started        35 sh which 27->35         started        37 sh which 27->37         started        39 sh which 27->39         started        process7 41 apt-get 29->41         started        43 apt-get gpgv 29->43         started        45 apt-get dpkg 29->45         started        47 7 other processes 29->47 process8 49 apt-get sh 41->49         started        51 apt-get sh 41->51         started        53 apt-get sh 41->53         started        63 3 other processes 41->63 55 gpgv 43->55         started        57 gpgv 43->57         started        59 gpgv 43->59         started        61 gpgv 43->61         started        process9 65 sh update-motd-updates-available 49->65         started        67 sh appstreamcli 51->67         started        69 sh test 51->69         started        80 4 other processes 53->80 71 gpgv apt-key 55->71         started        74 gpgv apt-key 57->74         started        76 gpgv apt-key 59->76         started        78 gpgv apt-key 61->78         started        82 3 other processes 63->82 file10 84 update-motd-updates-available apt-check 65->84         started        90 10 other processes 65->90 92 30 other processes 67->92 120 /tmp/apt-key-gpghome.CISG7YeNnL/gpg.1.sh, POSIX 71->120 dropped 86 apt-key gpgconf 71->86         started        94 35 other processes 71->94 122 /tmp/apt-key-gpghome.CHxIOiroTm/gpg.1.sh, POSIX 74->122 dropped 96 36 other processes 74->96 124 /tmp/apt-key-gpghome.GZSxDAjBNl/gpg.1.sh, POSIX 76->124 dropped 98 36 other processes 76->98 126 /tmp/apt-key-gpghome.B9AK0O0ejW/gpg.1.sh, POSIX 78->126 dropped 100 36 other processes 78->100 88 cnf-update-db dpkg 82->88         started        process11 process12 104 166 other processes 84->104 102 gpgconf gpg-connect-agent 86->102         started        106 2 other processes 86->106 108 6 other processes 90->108 110 30 other processes 92->110 112 14 other processes 94->112 114 17 other processes 96->114 116 17 other processes 98->116 118 17 other processes 100->118
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-01-12 19:48:30 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Looks up external IP address via web service
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Unexpected DNS network traffic destination
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
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 ac4f365af13dcc41837a89b371e0126f7d98a868fb46d532a4bcb12797284037

(this sample)

  
Delivery method
Distributed via web download

Comments