MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73f8b79d908fe01aab919f36ec319b7931156fae62cf0db620281669e5e9f218. 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: 12


Intelligence 12 IOCs YARA 10 File information Comments

SHA256 hash: 73f8b79d908fe01aab919f36ec319b7931156fae62cf0db620281669e5e9f218
SHA3-384 hash: 73bc2760608f26218f834e1063bb35579119365e3e9f3c0db845935185ce8423d59fc3ea9c43e79d72b4ba8b64e8f818
SHA1 hash: 4510bb38320a7d5c94545f235aa035880eb2640f
MD5 hash: 7d789f6d48f7a31f7d402ec509a31058
humanhash: fillet-paris-whiskey-monkey
File name:sora.arm7
Download: download sample
Signature Mirai
File size:143'845 bytes
First seen:2025-11-26 12:47:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:5IvM9qqxuvV8yAzltJXu9CttQJ2Ed83zGCzEX0clM/9REw/kP:mvM9qqxuvV8yAzYaQJ2EduGHX0aM/9pO
TLSH T138E32B46F6418B13C5D61777FAAF414A3322D794A3DB330699285BF43F86A9F0E13A06
telfhash t1b4219bb1572aa6245969cbec89dc73b9122c86121247df33ef2184bca41949df525c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d67bde84ca7c52f18bf902175e6b7a430a69068f784da2bf0eee040e5670e927
File size (compressed) :51'432 bytes
File size (de-compressed) :143'845 bytes
Format:linux/arm
Packed file: d67bde84ca7c52f18bf902175e6b7a430a69068f784da2bf0eee040e5670e927

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
31
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 151.242.30.13:1312
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-26T09:54:00Z UTC
Last seen:
2025-11-28T05:03:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.au
Status:
terminated
Behavior Graph:
%3 guuid=4f3cf768-1900-0000-4316-5c205a0a0000 pid=2650 /usr/bin/sudo guuid=9380326c-1900-0000-4316-5c20660a0000 pid=2662 /tmp/sample.bin guuid=4f3cf768-1900-0000-4316-5c205a0a0000 pid=2650->guuid=9380326c-1900-0000-4316-5c20660a0000 pid=2662 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1821133 Sample: sora.arm7.elf Startdate: 26/11/2025 Architecture: LINUX Score: 76 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Contains symbols with names commonly found in malware 2->57 9 sora.arm7.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        process3 process4 17 sora.arm7.elf 9->17         started        19 sora.arm7.elf 9->19         started        21 sora.arm7.elf 9->21         started        process5 23 sora.arm7.elf 17->23         started        25 sora.arm7.elf 17->25         started        27 sora.arm7.elf 19->27         started        29 sora.arm7.elf 19->29         started        31 sora.arm7.elf 19->31         started        33 sora.arm7.elf 19->33         started        process6 35 sora.arm7.elf 23->35         started        37 sora.arm7.elf 23->37         started        39 sora.arm7.elf 23->39         started        41 sora.arm7.elf 27->41         started        43 sora.arm7.elf 27->43         started        45 sora.arm7.elf 29->45         started        process7 47 sora.arm7.elf 35->47         started        49 sora.arm7.elf 35->49         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-26 12:48:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (173863) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 73f8b79d908fe01aab919f36ec319b7931156fae62cf0db620281669e5e9f218

(this sample)

  
Delivery method
Distributed via web download

Comments