MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e61f89134bfd03caea93465551a2c4367dcee2f8644f508a62ad660a0a9ae2f. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash: 4e61f89134bfd03caea93465551a2c4367dcee2f8644f508a62ad660a0a9ae2f
SHA3-384 hash: 6bfff446723d21be55aeb0b1f4536728c4bc96af19304c72fc244f4a4af9d995c8e61c17725c96bc20ea116c4d9c7573
SHA1 hash: 0925b4de0b316f02e5f2c643077ea1bb63275441
MD5 hash: 926075a878766e2919246399a27f30d9
humanhash: carolina-lamp-finch-potato
File name:main_mips
Download: download sample
Signature Mirai
File size:198'576 bytes
First seen:2025-08-17 05:57:17 UTC
Last seen:2025-08-17 20:58:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:TfjJnOs+VMjiZvxuKpFbQMQs4C6JUSE1RN5xDNY2TYT/P:TQWjiZvxuKpFbQBCEkRxDNTsT3
TLSH T14B14A75E6E324F7EF6AC823487B34A20976923D627F1D684D2ACD5011F7028D641FBB9
telfhash t1104190180db813a0a3256c5908adff66d6b331db7e1a2c278e51e86ae729f835d10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
63
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Creating a file
Runs as daemon
Launching a process
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
botnet lolbin mirai remote
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758720 Sample: main_mips.elf Startdate: 17/08/2025 Architecture: LINUX Score: 88 34 64.1.22.15 XO-AS15US United States 2->34 36 103.45.56.20 XIAONIAOYUNShenzhenQianhaibirdcloudcomputingCoLtd China 2->36 38 98 other IPs or domains 2->38 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 2 other signatures 2->50 10 main_mips.elf 2->10         started        signatures3 process4 process5 12 main_mips.elf 10->12         started        process6 14 main_mips.elf 12->14         started        signatures7 54 Drops files in suspicious directories 14->54 17 main_mips.elf 14->17         started        21 main_mips.elf sh 14->21         started        23 main_mips.elf 14->23         started        process8 file9 30 /etc/init.d/systemd-sysv, POSIX 17->30 dropped 40 Drops files in suspicious directories 17->40 25 main_mips.elf sh 17->25         started        28 main_mips.elf 17->28         started        32 /etc/rc.local, ASCII 21->32 dropped 42 Sample tries to persist itself using System V runlevels 21->42 signatures10 process11 signatures12 52 Sample tries to persist itself using System V runlevels 25->52
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-17 05:59:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Contacts a large (76730) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:testlumma
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 4e61f89134bfd03caea93465551a2c4367dcee2f8644f508a62ad660a0a9ae2f

(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