MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a99f6d83b34c4fd3ff38b50d95be19c44aed21f16a18c10abe2df7f67aed1ae. 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: 15


Intelligence 15 IOCs YARA 18 File information Comments

SHA256 hash: 4a99f6d83b34c4fd3ff38b50d95be19c44aed21f16a18c10abe2df7f67aed1ae
SHA3-384 hash: 8ab1cfe99b3cf2d2dd405cb8a902bc60e4a78d486a833eb72654b8086fc55c1054b29d855e0a7f4702f51ba2193a9f3b
SHA1 hash: 1828a0f3b6255ca5f429ef6c0aa56567a77b69c1
MD5 hash: cd1f2ab2770e4df72de2961c607f8a65
humanhash: snake-uranus-aspen-hotel
File name:llklllklld.x86
Download: download sample
Signature Mirai
File size:75'088 bytes
First seen:2024-12-27 12:01:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6SYXBbpKbF+5AQZKOtRDXVFx3bj0+OdzPYKoui0QOo/Y0TBB:SbobF+5QOth3dbj1O5P+uPXoptB
TLSH T1BB737CC9A693E8F6EC120A751173FB325B77E17F2029CA83C7985D72D906A02E51239C
telfhash t1882181f72abf0ce8b3d4a840871d1b46695de67b286076a04123dd75726fdc240b9c3d
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 :
105
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Sanesecurity.Malware.28959.LC.UNOFFICIAL
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Unix.Trojan.Mirai-6976991-0
Unix.Trojan.Mirai-7100807-0
Unix.Dropper.Mirai-7135880-0
Unix.Dropper.Mirai-7135897-0
Unix.Dropper.Mirai-7135898-0
Unix.Dropper.Mirai-7135901-0
Unix.Dropper.Mirai-7135909-0
Unix.Trojan.Mirai-7135916-0
Unix.Dropper.Mirai-7135918-0
Unix.Dropper.Mirai-7135954-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136016-0
Unix.Dropper.Mirai-7136028-0
Unix.Dropper.Mirai-7136057-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9835278-0
Unix.Trojan.Mirai-9835289-0
Unix.Trojan.Mirai-9857931-0
Unix.Trojan.Mirai-9858729-0
Unix.Trojan.Mirai-9866113-0
Unix.Trojan.Mirai-9943731-0
Unix.Trojan.Mirai-9945193-0
Unix.Trojan.Mirai-9946826-0
Unix.Dropper.Mirai-10008433-0
Unix.Trojan.Mirai-10028946-0
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Kills processes
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug botnet lolbin masquerade mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
154.213.190.246
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581341 Sample: llklllklld.x86.elf Startdate: 27/12/2024 Architecture: LINUX Score: 100 79 109.202.202.202, 80 INIT7CH Switzerland 2->79 81 tstasktdkksjdssd.o-r.kr 154.213.190.246, 48444, 9999 DDOSING-BGP-NETWORKUS Seychelles 2->81 83 4 other IPs or domains 2->83 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus / Scanner detection for submitted sample 2->93 95 Multi AV Scanner detection for submitted file 2->95 97 3 other signatures 2->97 11 systemd gdm3 2->11         started        13 dash rm llklllklld.x86.elf 2->13         started        15 systemd gpu-manager 2->15         started        17 16 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        36 3 other processes 11->36 23 llklllklld.x86.elf 13->23         started        25 llklllklld.x86.elf 13->25         started        28 llklllklld.x86.elf 13->28         started        30 gpu-manager sh 15->30         started        38 7 other processes 15->38 77 /var/log/wtmp, data 17->77 dropped 85 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->85 87 Reads system files that contain records of logged in users 17->87 32 accounts-daemon language-validate 17->32         started        34 generate-config pkill 17->34         started        signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 llklllklld.x86.elf 23->42         started        45 llklllklld.x86.elf 23->45         started        99 Sample tries to kill a massive number of system processes 25->99 101 Sample tries to kill multiple processes (SIGKILL) 25->101 47 sh grep 30->47         started        49 language-validate language-options 32->49         started        51 sh grep 38->51         started        53 sh grep 38->53         started        55 sh grep 38->55         started        57 4 other processes 38->57 process9 signatures10 59 gdm-wayland-session dbus-run-session 40->59         started        61 gdm-wayland-session dbus-daemon 40->61         started        103 Sample tries to kill a massive number of system processes 42->103 105 Sample tries to kill multiple processes (SIGKILL) 42->105 64 language-options sh 49->64         started        process11 signatures12 66 dbus-run-session dbus-daemon 59->66         started        107 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->107 69 dbus-daemon 61->69         started        71 sh locale 64->71         started        73 sh grep 64->73         started        process13 signatures14 89 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->89 75 dbus-daemon false 69->75         started        process15
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2024-12-27 12:02:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux rootkit
Behaviour
Loads a kernel module
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-6976991-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 elf_mirai_auto
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_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 4a99f6d83b34c4fd3ff38b50d95be19c44aed21f16a18c10abe2df7f67aed1ae

(this sample)

  
Delivery method
Distributed via web download

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