MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78f9b5a35afddd2f0319aeb39c0451fc1c4028bf49316c90d7a05d2cedff752b. 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 19 File information Comments

SHA256 hash: 78f9b5a35afddd2f0319aeb39c0451fc1c4028bf49316c90d7a05d2cedff752b
SHA3-384 hash: 7528a1cb94a1674356de9f412a09647f05e83e09e07fc42b638acc6299ce240bc3414023fa02028c67257a21e40d6b29
SHA1 hash: 8e1207c8147de771b3d3c35335da31f5c3870d86
MD5 hash: 46e91b98da0e578be1a91f9c2b2c148a
humanhash: seven-delta-freddie-florida
File name:mirai.x86
Download: download sample
Signature Mirai
File size:66'416 bytes
First seen:2025-11-25 05:55:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:sO/su4my6TSvemXMaegoGUUne1im6ohQH/jlGJ8kY:L/g6TSmm8a7ovUekoh4Jv
TLSH T176535DC1BA93CDF6DD0107B430BBEF324A76E97E1196E986C3D4AC33A946512D1432AD
telfhash t1a2213dfa2e790cecf7e09484d24e0b512a6ee43b3a7036514673e92932add5110f8c3c
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 84ae744669cf2a196830a5046d84f531689e7e27f44281a0e50c796b7d87b87a
File size (compressed) :28'912 bytes
File size (de-compressed) :66'416 bytes
Format:linux/i386
Packed file: 84ae744669cf2a196830a5046d84f531689e7e27f44281a0e50c796b7d87b87a

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Kills processes
Opens a port
Sends data to a server
Substitutes an application name
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
10
Processes remaning?
true
Remote TCP ports scanned:
443,52869,8080,55555,80,37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 103.77.246.136:6738
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-25T04:21:00Z UTC
Last seen:
2025-11-25T05:53:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1820335 Sample: mirai.x86.elf Startdate: 25/11/2025 Architecture: LINUX Score: 100 31 41.60.37.76 ZOL-ASGB Mauritius 2->31 33 98.18.184.253 WINDSTREAMUS United States 2->33 35 98 other IPs or domains 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 5 other signatures 2->43 8 mirai.x86.elf 2->8         started        10 gnome-session-binary sh gsd-print-notifications 2->10         started        12 xfce4-session rm 2->12         started        14 2 other processes 2->14 signatures3 process4 process5 16 mirai.x86.elf 8->16         started        18 gsd-print-notifications 10->18         started        process6 20 mirai.x86.elf 16->20         started        23 mirai.x86.elf 16->23         started        25 mirai.x86.elf 16->25         started        29 5 other processes 16->29 27 gsd-print-notifications gsd-printer 18->27         started        signatures7 45 Sample tries to kill multiple processes (SIGKILL) 20->45
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-25 05:56:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (699444) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
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 78f9b5a35afddd2f0319aeb39c0451fc1c4028bf49316c90d7a05d2cedff752b

(this sample)

  
Delivery method
Distributed via web download

Comments