MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1badb5317009fe55702c638b0c5816a92337e855e83db12e99e721db7b193c3. 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 8 File information Comments

SHA256 hash: a1badb5317009fe55702c638b0c5816a92337e855e83db12e99e721db7b193c3
SHA3-384 hash: 40607d8ba6774ea5476dc8b04723b544ca2b88ab9b023322238deec7d0525a89eb74f4d2ace52b49f8a3fa2e17916afd
SHA1 hash: 2f997966590600fb4b5572f306a40bcbb6fe79eb
MD5 hash: 442269900f28ef10d8b7a13f2bc5ed86
humanhash: zebra-double-foxtrot-foxtrot
File name:byte.mips
Download: download sample
Signature Mirai
File size:140'440 bytes
First seen:2024-11-07 12:29:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qrnyNbdXcu87FWrF+64IjFY0aeTHkHVs149tL:qryNbtcNFOF+64IjFYeDbstL
TLSH T1F0D3D74E7E218F7EFBA8C23547B74E21965933D623E1D584D19CEA021E7038A741FB98
telfhash t1ca112818483812f097b50d9e6aedffb2e4a170eb5a260e378e10f99d9a2dd429d01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
4'187
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-7135881-0
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-7135996-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136016-0
Unix.Dropper.Mirai-7136028-0
Unix.Dropper.Mirai-7136033-0
Unix.Dropper.Mirai-7136057-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9807962-0
Unix.Trojan.Mirai-9808381-0
Unix.Trojan.Mirai-9858729-0
Unix.Trojan.Mirai-9943731-0
Unix.Trojan.Mirai-9945193-0
Unix.Trojan.Mirai-9946826-0
Unix.Dropper.Mirai-10008433-0
Unix.Trojan.Mirai-10017641-0
Unix.Trojan.Mirai-10028946-0
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash botnet lolbin masquerade mirai obfuscated 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: 1551087 Sample: byte.mips.elf Startdate: 07/11/2024 Architecture: LINUX Score: 100 55 194.109.188.235, 23, 59862 XS4ALL-NLAmsterdamNL Netherlands 2->55 57 13.20.155.186, 23, 59862 XEROX-ELLUS United States 2->57 59 99 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 2 other signatures 2->67 8 byte.mips.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd dbus-daemon 2->12         started        15 46 other processes 2->15 signatures3 process4 signatures5 17 byte.mips.elf 8->17         started        19 byte.mips.elf 8->19         started        22 byte.mips.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        32 3 other processes 10->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 12->77 30 gpu-manager sh 15->30         started        34 12 other processes 15->34 process6 signatures7 36 byte.mips.elf 17->36         started        49 3 other processes 17->49 69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        47 sh grep 32->47         started        51 2 other processes 32->51 53 7 other processes 34->53 process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-11-07 12:30:20 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (19013) amount of remote hosts
Creates a large amount of network flows
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
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 a1badb5317009fe55702c638b0c5816a92337e855e83db12e99e721db7b193c3

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments