MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51. 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 9 File information Comments
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SHA256 hash: b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51
SHA3-384 hash: bacedb5d37066e50525649f9a1af7dd16fe8e95e480627eba909be443932294bbf1986335257cc8bf501d57fc682fe9a
SHA1 hash: d151e6784d1556efb7a932a9b84effd64043bfae
MD5 hash: 98bcfd120f315d9a9fa3b0645db87092
humanhash: magnesium-orange-south-golf
File name:byte.mips
Download: download sample
Signature Mirai
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File size:107'468 bytes
First seen:2024-12-27 12:26:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rWSIow5K0LU/RO1L2HVjShCL8kzmEmfrhdogZeB9il61d60qH:xCfU/ROtujShCL8kzmEmfNdhGi4XqH
TLSH T1EDB3E94E2E219F7CFBA8823447B35F25A65C33A636E1C685D15DE6012E7024E741FBB8
telfhash t1d8113008893813f4e7a11d9d5bdcfb76e05160ef5a156d378d00fd99da6aa429d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
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Sanesecurity.Malware.28959.LC.UNOFFICIAL
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Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6976991-0
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135898-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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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-7135954-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Trojan.Mirai-9943731-0
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Unix.Trojan.Mirai-9945193-0
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Unix.Trojan.Mirai-9946826-0
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Unix.Dropper.Mirai-10008433-0
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Unix.Trojan.Mirai-10017641-0
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Unix.Trojan.Mirai-10028946-0
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Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676e9d178a4d48ee350008felinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Sends data to a server
Kills processes
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash botnet lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/676e9d197f94244df6927bfe/reports/66158ec3-bbc3-46eb-a60f-ecb1cc3bc1c7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
38
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c124850e-de75-4259-9c8b-08a89e9b24a5
Result
Threat name:
Mirai, Okiru
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Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1581355
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581355 Sample: byte.mips.elf Startdate: 27/12/2024 Architecture: LINUX Score: 100 55 vbtgsze.r-e.kr 154.213.190.246, 45468, 45472, 777 DDOSING-BGP-NETWORKUS Seychelles 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 2 other signatures 2->63 8 byte.mips.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 83 other processes 2->14 signatures3 process4 signatures5 17 byte.mips.elf 8->17         started        19 byte.mips.elf 8->19         started        22 byte.mips.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 3 other processes 10->30 32 5 other processes 12->32 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 34 11 other processes 14->34 process6 signatures7 36 byte.mips.elf 17->36         started        39 byte.mips.elf 17->39         started        65 Sample tries to kill a massive number of system processes 19->65 67 Sample tries to kill multiple processes (SIGKILL) 19->67 41 sh grep 24->41         started        43 sh grep 26->43         started        45 sh grep 28->45         started        47 sh grep 30->47         started        49 2 other processes 30->49 51 5 other processes 32->51 53 6 other processes 34->53 process8 signatures9 69 Sample tries to kill a massive number of system processes 36->69 71 Sample tries to kill multiple processes (SIGKILL) 36->71
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51/
Threat name:
Linux.Trojan.Mirai
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Status:
Malicious
First seen:
2024-12-27 12:27:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wo72ldcofmjnfx5hk4nijstdxuqqhyxqelqppsvi6atap2pznviq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/241227-pmqv5avnb1/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/d8fc1c8c-52f9-4d3a-9dc0-b82cd52c685b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51

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:enterpriseunix2
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Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:Linux_Generic_Threat_3bcc1630
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Author:Elastic Security
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:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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 b3bfa58c4e2b12d2dfa7571a84ca63bd2103e2f022e0f7caa8f02607e9f96d51

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3377058/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3377100/
  
URLhaus
https://urlhaus.abuse.ch/url/3378884/

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