MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b
SHA3-384 hash: 5c9f27d027706b5a3f6fe724858d4ba948957a7bf6a9185aa28b4cb1868c626ef713451b038a126973af685defbc7612
SHA1 hash: 00ab81cb29ab37431c9625dd78a297d4a43507c0
MD5 hash: 1f564b30f022bdd9ee2bd99a63179697
humanhash: helium-uniform-bulldog-pluto
File name:byte.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:109'516 bytes
First seen:2025-01-13 04:26:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EiuIJqfyQd84OB/Qc857JAZ559xWcfZcKalcMbl61d6kGGflDa:/ugqfyQdtu59jfpo4HGO1a
TLSH T128B3D509BF610FF7F8AFCC3B4AE91705288C651A21A93B757974D818F24B24B19E3875
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
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
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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
Create hunting rule

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=678495dcaa9c8e7858de721alinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Connection attempt
Runs as daemon
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/678495e0af471c736890d9f8/reports/870bffeb-d0b9-4019-99cf-73a81e9842d7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b
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/0f489e13-ae2e-41e4-95df-237db0db04cb
Result
Threat name:
Mirai, Okiru
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Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1589762
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
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: 1589762 Sample: byte.mpsl.elf Startdate: 13/01/2025 Architecture: LINUX Score: 96 55 109.202.202.202, 80 INIT7CH Switzerland 2->55 57 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->57 59 3 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Yara detected Okiru 2->65 67 Yara detected Mirai 2->67 8 byte.mpsl.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 73 other processes 2->14 signatures3 process4 signatures5 17 byte.mpsl.elf 8->17         started        19 byte.mpsl.elf 8->19         started        22 byte.mpsl.elf 8->22         started        30 6 other processes 10->30 32 5 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 24 gpu-manager sh 14->24         started        26 gpu-manager sh 14->26         started        28 gpu-manager sh 14->28         started        34 9 other processes 14->34 process6 signatures7 36 byte.mpsl.elf 17->36         started        39 byte.mpsl.elf 17->39         started        69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 41 sh grep 24->41         started        43 sh grep 26->43         started        45 sh grep 28->45         started        47 sh grep 30->47         started        51 5 other processes 30->51 53 5 other processes 32->53 49 sh grep 34->49         started        process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-13 04:27:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmeilexhn3tz42weju6ghsfwex3qpdomud7e3olrnbn25wil2rnq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion
Link:
https://tria.ge/reports/250113-e2j11swjc1/
Behaviour
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/b6ed6cdc-5365-4585-8934-7d6ecaaf6964
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/b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b

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_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
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 b3088592e76ee79e6ac44d3c63c8b625f7078dcca0fe4db971685baed90bd45b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3377104/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3383308/

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