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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
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SHA256 hash: cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8
SHA3-384 hash: 6404ce26f0429122e6b8fbb0c572934ead97023d5d621d74884aa504de695d9d2014f2c09e85729e5d0f786a4a147aba
SHA1 hash: 5c6b28947ab354c3d2116e248b05aa81cd03e4c4
MD5 hash: 4231011fc93eb6cee664c8f6e98c9deb
humanhash: cardinal-cup-ceiling-alpha
File name:sora.mips
Download: download sample
Signature Mirai
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File size:118'072 bytes
First seen:2024-11-11 13:55:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:IIbwb8sK3O30za2qZXY4JMVpJVlMYrac/:IYg8senCZXY4JMV7zP/
TLSH T154B3C74E3E319F7DFBA9C23C57F75960A248338612E1D585D17CEA110EA038E681FBA5
telfhash t1a8112e5c4ab423e477365c5e085efb6bd7a531de3b265c238e11a86e77adc824e20c08
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Dropper.Mirai-7135890-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
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Unix.Trojan.Mirai-9820623-0
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Unix.Trojan.Mirai-10017641-0
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Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67320d280d3694d4fc4e80fclinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/67320cf8c9e5125dc6d52fcc/reports/8481602f-2568-4dea-a1ae-042a2ca456c5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9cc5f0a2-a3d1-4583-9934-f17dc9a7ee5e
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1553649
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1553649 Sample: sora.mips.elf Startdate: 11/11/2024 Architecture: LINUX Score: 80 22 205.118.57.77 WEST-NET-WESTUS United States 2->22 24 133.9.123.117 WASEDAWASEDAUniversityJP Japan 2->24 26 99 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 sora.mips.elf 2->8         started        signatures3 process4 process5 10 sora.mips.elf 8->10         started        12 sora.mips.elf 8->12         started        14 sora.mips.elf 8->14         started        process6 16 sora.mips.elf 10->16         started        18 sora.mips.elf 10->18         started        20 sora.mips.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8/
Threat name:
Linux.Trojan.Mirai
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Status:
Malicious
First seen:
2024-11-11 13:56:05 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z66nb7tt22uxdhtizjo54hxmmngg2wxcypurbb52znhfolib5cua._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/241111-q8ntbszejr/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Modifies Watchdog functionality
Contacts a large (39821) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135890-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2
Link:
https://app.threat.zone/submission/180440c6-f688-4f32-b52f-70753493ebf1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8

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:MAL_ELF_LNX_Mirai_Oct10_2
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Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
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Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla
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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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 cfbcd0fe73d6a9719e68ca5dde1eec634c6d5ae2c3e91087bacb4e572d01e8a8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3285369/
  
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