MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c2cc2b739fa0ac2045a11611032505dc10cb6b70525eaa084a066886fdf4c8. 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 9 File information Comments

SHA256 hash: 37c2cc2b739fa0ac2045a11611032505dc10cb6b70525eaa084a066886fdf4c8
SHA3-384 hash: a6b762ced2e4c8c39ab8043a9ae7b8dcbeaf4751c77274ce656d269c7f896e70a429f1a7aeec32c3110ea78463495693
SHA1 hash: d31c8c801601c935f0b96efb1dd6ecc47414e800
MD5 hash: 0b337eb9a74fdd0d0f2006e4ed7f4c70
humanhash: west-timing-robert-johnny
File name:byte.mips
Download: download sample
Signature Mirai
File size:107'468 bytes
First seen:2025-01-13 06:01:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rWSIow5K0LU/RO1LwHVjShCL8kzmEmfrhdogZeB9il61d60qH:xCfU/ROtsjShCL8kzmEmfNdhGi4XqH
TLSH T12BB3E94E2E219F7CFBA8823447B35F25A65C33A636E1C685D15DE6012E7024E741FBB8
telfhash t1d8113008893813f4e7a11d9d5bdcfb76e05160ef5a156d378d00fd99da6aa429d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
DNS request
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash botnet lolbin masquerade mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
36
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
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: 1589791 Sample: byte.mips.elf Startdate: 13/01/2025 Architecture: LINUX Score: 100 55 vbtgsze.r-e.kr 193.143.1.66, 2222, 60178, 60180 BITWEB-ASRU unknown 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.mips.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 73 other processes 2->14 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        30 5 other processes 10->30 32 6 other processes 12->32 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 34 8 other processes 14->34 process6 signatures7 36 byte.mips.elf 17->36         started        39 byte.mips.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        49 4 other processes 30->49 51 6 other processes 32->51 53 2 other processes 34->53 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:
2025-01-13 06:02:05 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
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:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 37c2cc2b739fa0ac2045a11611032505dc10cb6b70525eaa084a066886fdf4c8

(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