MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f3576785d4ab9b515222884c26c865480cbffb53eb255fa046659408f6d99c2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f3576785d4ab9b515222884c26c865480cbffb53eb255fa046659408f6d99c2
SHA3-384 hash: b994c2f677349bf916fc6d2996203a94211ca9ccd8fc2bd9896d06b87f87c62c75b280b075e1a1c714fed113cf3aa4f3
SHA1 hash: 8c15304679cda7c80f00d0be31e566d099d86518
MD5 hash: dfa06553a115110859fca88e6bc5370a
humanhash: avocado-uniform-carpet-seven
File name:r4cks.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:54'280 bytes
First seen:2021-12-08 19:50:06 UTC
Last seen:2021-12-08 21:31:22 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:oDG7q9rwM/m5gD8kiD32LYhmVbvgpCi77Bakp6c9q3UELNaSrgDoU2sQbuqt9eOs:xeR+5aSD32/bs7gK6lLQ2gDH2FpPeOIF
TLSH T17133F1ACD66BB4D9CA72087DEC05AA433B4F097A9974F43B82544F147393983E1B07E6
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.791.9829.18855.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/61b10c744d8e6f3a5e1a151e/reports/8400ccce-ee9e-4f46-883c-822bbd221b0f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
103.246.145.79:80/qh2xj347zu6t2emvb
Number of open files:
53
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
5501,37215
Full report:
https://elfdigest.com/brief/2f3576785d4ab9b515222884c26c865480cbffb53eb255fa046659408f6d99c2
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
103.246.145.79:34241
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb0d32e7-afe6-4276-92e1-13c000ea1a4b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/904227
Signature
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
Sample is packed with UPX
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 536719 Sample: r4cks.arm7 Startdate: 08/12/2021 Architecture: LINUX Score: 84 28 197.211.42.22 globacom-asNG Nigeria 2->28 30 102.87.94.132 ZAINUGASUG Uganda 2->30 32 98 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 40 3 other signatures 2->40 8 r4cks.arm7 2->8         started        10 systemd sshd 2->10         started        12 systemd sshd 2->12         started        signatures3 process4 process5 14 r4cks.arm7 8->14         started        16 r4cks.arm7 8->16         started        18 r4cks.arm7 8->18         started        process6 20 r4cks.arm7 14->20         started        22 r4cks.arm7 14->22         started        24 r4cks.arm7 14->24         started        26 r4cks.arm7 14->26         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2f3576785d4ab9b515222884c26c865480cbffb53eb255fa046659408f6d99c2/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2021-12-08 19:51:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
linux
Link:
https://tria.ge/reports/211208-yktcxaadfm/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Write file to user bin folder
Writes file to system bin folder
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/2f3576785d4ab9b515222884c26c865480cbffb53eb255fa046659408f6d99c2

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:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 2f3576785d4ab9b515222884c26c865480cbffb53eb255fa046659408f6d99c2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1866582/
  
Delivery method
Distributed via web download

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