MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cb64e45ea55c45acd7664335d5eee4800e9e9176bdccff62b451c646bf0c136. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments 1

SHA256 hash: 4cb64e45ea55c45acd7664335d5eee4800e9e9176bdccff62b451c646bf0c136
SHA3-384 hash: 9586ac23ee5ceffbcce4f93258213be7125bfe69ac3d4a1fa016fdc2f2a2f1cb68579fdfa28949da47a8278620b8bb64
SHA1 hash: f4de22b1542b9d8444f2542fa59c2275438f8c1f
MD5 hash: 8394ba143caf1d3b9c566a65a46a6915
humanhash: spaghetti-floor-network-lion
File name:8394ba143caf1d3b9c566a65a46a6915
Download: download sample
Signature Mirai
File size:151'812 bytes
First seen:2022-08-27 07:00:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tSJnQfVAMtH7W7T06YsuY0Uf/iac56ObEGIY1uaM:enQtAMtHi7FGY0Uf/iaqzVuaM
TLSH T1B9E3D70E6E219FBEF76D823957B74E21675933D623E1C5C1E0ACD5012E6038E642FBA4
telfhash t137219f1c4a7823f0a7755c9e5addffb6e5a130df06252d378e10a8bd666c9029d00c1c
Reporter zbetcheckin
Tags:32 elf gafgyt mips mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
59
Number of processes launched:
137
Processes remaning?
false
Remote TCP ports scanned:
23,8080,80,52869,37215,7574,81,49152,8443,5555
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
45.143.223.146:9506
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 691339 Sample: ctOyIZX0gA Startdate: 27/08/2022 Architecture: LINUX Score: 100 32 68.170.200.105 ZAYOB-NEUS United States 2->32 34 31.136.25.26 VFNL-ASVodafoneNLAutonomousSystemNL Netherlands 2->34 36 98 other IPs or domains 2->36 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 4 other signatures 2->44 8 ctOyIZX0gA 2->8         started        signatures3 process4 process5 10 ctOyIZX0gA 8->10         started        12 ctOyIZX0gA 8->12         started        14 ctOyIZX0gA 8->14         started        16 ctOyIZX0gA 8->16         started        process6 18 ctOyIZX0gA 10->18         started        20 ctOyIZX0gA 10->20         started        22 ctOyIZX0gA 10->22         started        30 1625 other processes 10->30 24 ctOyIZX0gA 12->24         started        26 ctOyIZX0gA 12->26         started        28 ctOyIZX0gA 12->28         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2022-08-27 07:01:06 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Write file to user bin folder
Modifies hosts file
Contacts a large (17862) amount of remote hosts
Creates a large amount of network flows
Modifies the Watchdog daemon
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth
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
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:myMirai
Description:Mirai
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 4cb64e45ea55c45acd7664335d5eee4800e9e9176bdccff62b451c646bf0c136

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-08-27 07:00:24 UTC

url : hxxp://45.143.223.146/d/xd.mips