MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 794fa0280e56a929306cc43b10b1c9f191265868a8fbc3a1ed3f5a905fb65ceb. 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: 14


Intelligence 14 IOCs YARA 11 File information Comments

SHA256 hash: 794fa0280e56a929306cc43b10b1c9f191265868a8fbc3a1ed3f5a905fb65ceb
SHA3-384 hash: bdc8a0acca784e15ed88c9c685c0875e745d73804e16c4ad1f768764ee032708be64776f3af5b81b2cf12e16391f8263
SHA1 hash: e36c00033f3c977f7bd8a1dd740885c27ba9581f
MD5 hash: b3f80cf126fef93601c6710fc02855b4
humanhash: iowa-edward-queen-fish
File name:byte.arm7
Download: download sample
Signature Mirai
File size:196'299 bytes
First seen:2024-11-07 13:32:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:y/IpT+ueUoLmpMguHcU+VUHalw7WbuH03sfC+goLWlmuVLarwr+i6/ftr5m6VkGe:y/IpT+LUoLmpMguHcU+VUHalw7WbuH0p
TLSH T1DD145D86EA409A13C0D7177AEAAF414933329754D3E773068D28AFF43F86B5E0E67605
telfhash t1f331ef319731552a6aa1cc64dced97b2152887131344be33df36c48c151909ee63bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
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-7135925-0
Unix.Dropper.Mirai-7135928-0
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.Dropper.Mirai-7139229-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9760303-0
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:

Behaviour
Kills processes
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Sends data to a server
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc masquerade mirai obfuscated
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
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: 1551145 Sample: byte.arm7.elf Startdate: 07/11/2024 Architecture: LINUX Score: 100 55 209.249.87.96, 16497, 23 ZAYO-6461US United States 2->55 57 155.18.169.7, 16497, 23 ZAMRENZM 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 3 other signatures 2->67 8 byte.arm7.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 70 other processes 2->14 signatures3 process4 signatures5 17 byte.arm7.elf 8->17         started        19 byte.arm7.elf 8->19         started        22 byte.arm7.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        30 2 other processes 10->30 32 5 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 24 other processes 14->34 process6 signatures7 36 byte.arm7.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 30->47         started        51 5 other processes 32->51 53 17 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 13:27:34 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 (20416) 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_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 794fa0280e56a929306cc43b10b1c9f191265868a8fbc3a1ed3f5a905fb65ceb

(this sample)

  
Delivery method
Distributed via web download

Comments