MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd8bf32b857ef4e47c8f9a05cbc10194fdb7d2b84c798b3954caaf2d931be49f. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: cd8bf32b857ef4e47c8f9a05cbc10194fdb7d2b84c798b3954caaf2d931be49f
SHA3-384 hash: 4e709e235b13648a25a4d48cb74d8fc58d266cc854b06ddfea8d6c0dcd66a94ed98b167e40b6679df86d5140b8c17143
SHA1 hash: 0b9119e765866fd13f2ff7841b9f8da1761523ec
MD5 hash: 234cf76a229991938ed652f70f942cdd
humanhash: lake-whiskey-oregon-violet
File name:teste.sh4
Download: download sample
Signature Mirai
File size:138'016 bytes
First seen:2024-12-03 23:55:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:V//v6jafa6ZzRqUOJ5s6RREkNS/C4Kd+ihYWYCLOP2ZW3cgqLUsWhrAc:VHggpzRq9EAS/OdfYCLvZWMgqFWh8c
TLSH T1A7D36B73D8266F68C559C174B4348F382B63AA9042871FBA69B6C3B54047DCDFA05BF8
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 :
112
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-debug lolbin masquerade remote
Result
Threat name:
Gafgyt, Mirai, Moobot, Okiru
Detection:
malicious
Classification:
troj
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Yara detected Moobot
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1567900 Sample: teste.sh4.elf Startdate: 04/12/2024 Architecture: LINUX Score: 96 18 50.43.37.197 ZIPLY-FIBER-LEGACY-ASNUS United States 2->18 20 152.17.119.101 WAKE-FOREST-UNIVERSITYUS United States 2->20 22 98 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 4 other signatures 2->30 8 teste.sh4.elf 2->8         started        signatures3 process4 process5 10 teste.sh4.elf 8->10         started        process6 12 teste.sh4.elf 10->12         started        14 teste.sh4.elf 10->14         started        16 teste.sh4.elf 10->16         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2024-12-03 23:56:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7135966-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_0bce98a2 Linux_Gafgyt_May_2024
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:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla
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 cd8bf32b857ef4e47c8f9a05cbc10194fdb7d2b84c798b3954caaf2d931be49f

(this sample)

  
Delivery method
Distributed via web download

Comments