MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f748206ffbad9746b208a6f0c0135d9f1f670664f4eab81c9ca311f000401e67. 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 8 File information Comments

SHA256 hash: f748206ffbad9746b208a6f0c0135d9f1f670664f4eab81c9ca311f000401e67
SHA3-384 hash: 02141bb140f149c5ce86eee35cd45785195d556b3e2668b01d5783a173555d9ccb71b46d709bdc37a3d1c52143ef02d6
SHA1 hash: 4517ec01389506ec255d27ec0fcaa216a1601cc7
MD5 hash: 51639d44abc4ec366fc4abe64f8a1d3b
humanhash: lemon-yellow-nuts-uniform
File name:byte.sh4
Download: download sample
Signature Mirai
File size:76'924 bytes
First seen:2024-12-26 09:11:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8B/ccj+J86aVwtob+S78C8+a+xwS/mKouzuCOR8CyYmRl61d6KIE+:Mkc+LGd+S7N8+aMZogOR8TR41IE
TLSH T174739DB7E4297EA4C0894174A5A08D7C6B23D41191E30FF69EA7C7964007FECF6193BA
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 :
202
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-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.Dropper.Mirai-7136288-0
Unix.Trojan.Mirai-7138377-0
Unix.Trojan.Mirai-7674518-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9858729-0
Unix.Trojan.Generic-9910198-0
Unix.Trojan.Generic-9910199-0
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug botnet lolbin masquerade mirai remote
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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: 1580828 Sample: byte.sh4.elf Startdate: 26/12/2024 Architecture: LINUX Score: 100 55 vbtgsze.r-e.kr 154.216.19.138, 38978, 777 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 2 other signatures 2->63 8 byte.sh4.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 53 other processes 2->14 signatures3 process4 signatures5 17 byte.sh4.elf 8->17         started        19 byte.sh4.elf 8->19         started        22 byte.sh4.elf 8->22         started        32 8 other processes 10->32 24 gpu-manager sh 12->24         started        26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        30 gpu-manager sh 12->30         started        73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 34 10 other processes 14->34 process6 signatures7 36 byte.sh4.elf 17->36         started        39 byte.sh4.elf 17->39         started        65 Sample tries to kill a massive number of system processes 19->65 67 Sample tries to kill multiple processes (SIGKILL) 19->67 41 sh grep 24->41         started        43 sh grep 26->43         started        45 sh grep 28->45         started        47 sh grep 30->47         started        53 8 other processes 32->53 49 sh grep 34->49         started        51 sh grep 34->51         started        process8 signatures9 69 Sample tries to kill a massive number of system processes 36->69 71 Sample tries to kill multiple processes (SIGKILL) 36->71
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-12-25 11:38:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
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_Threat_3bcc1630
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
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 f748206ffbad9746b208a6f0c0135d9f1f670664f4eab81c9ca311f000401e67

(this sample)

  
Delivery method
Distributed via web download

Comments