MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23e0e50669e47ab61c17e46edfe6fe79b0917a1e840d49abdfc434207522fa7f. 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 9 File information Comments

SHA256 hash: 23e0e50669e47ab61c17e46edfe6fe79b0917a1e840d49abdfc434207522fa7f
SHA3-384 hash: d8992f21d8f57c7ff2096503b958285c8efe51a6cf33758c4b9f8037a24eb4a8b90472362a85794c2d0e1b32221ebdac
SHA1 hash: 3118d56a9d27cdad78468ec1d296d82e5e7161dd
MD5 hash: 02cac95c6cc1c629dbac8bc27c7d1ee9
humanhash: idaho-enemy-cup-texas
File name:byte.arm5
Download: download sample
Signature Mirai
File size:110'808 bytes
First seen:2024-11-07 12:29:25 UTC
Last seen:2024-11-07 19:46:08 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:BUeGqHInaT1NLES2krC+IDGU130vjiw4InhZV2KmI2DhRAmS4opJHHH3l61d6NgI:BUPqHInaTTFS0vjZjhjmBproXH34tI
TLSH T157B34B86BC81AA21C6C22677FA6F018D371557E8D2EB72438D191F6137CB91F0E6B606
telfhash t127e02b1ccf311a51b3e7e8564069f8211bdc31e425642843a9696a87c891365f63902f
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 :
3
# 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-10028946-0
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug botnet lolbin masquerade mirai obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
16
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
23
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
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: 1551088 Sample: byte.arm5.elf Startdate: 07/11/2024 Architecture: LINUX Score: 100 55 208.36.12.229, 23, 48865 XO-AS15US United States 2->55 57 149.90.187.202, 23, 48865 VODAFONE-PTVodafonePortugalPT Portugal 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.arm5.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 75 other processes 2->14 signatures3 process4 signatures5 17 byte.arm5.elf 8->17         started        19 byte.arm5.elf 8->19         started        22 byte.arm5.elf 8->22         started        30 6 other processes 10->30 24 gpu-manager sh 12->24         started        26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        32 2 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 25 other processes 14->34 process6 signatures7 36 byte.arm5.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        51 5 other processes 30->51 45 sh grep 32->45         started        47 sh grep 32->47         started        53 18 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.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-07 12:30:13 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 defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20047) 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:Linux_Generic_Threat_d94e1020
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 23e0e50669e47ab61c17e46edfe6fe79b0917a1e840d49abdfc434207522fa7f

(this sample)

  
Delivery method
Distributed via web download

Comments