MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085
SHA3-384 hash: e2eb502bdeb4b4f183c4ebd62e8f9b4d56e76e2a6c2f60298f9e62ff20aa587ddb7f1feacc80fb2f2f0f7923f9a74a43
SHA1 hash: 4eead9e5d8778990eb3c245be4c04ce48ef15ea0
MD5 hash: 0bac15e7e4e555f0e8d7742cc13f8d76
humanhash: blue-table-twelve-ink
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:113'928 bytes
First seen:2024-11-07 23:21:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:oQ7YrgV17izIU0Sl+8zpG6J5fqV0h3uGZMSBmMAbNiXBPQ25oV8LzCXLlcT:oQ7YMbfWDiV0puGkAIV8LzCXM
TLSH T12FB3F91ABF610EFBD86FCD3746A9070535CC551A22A83B367970D428F64B54F0AE3DA8
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 :
749
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672d4b9ba5bee3c9d42ba4cflinux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Changes access rights for a written file
DNS request
Mounts file systems
Connection attempt
Kills processes
Changes the time when the file was created, accessed, or modified
Sends data to a server
Receives data from a server
Creating a file
Launching a process
Runs as daemon
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/672d4b9c83eea00c6572287a/reports/0411b999-14c3-42b3-8fbc-ef3751586add/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/b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/312a9a96-ed1a-4558-bd0b-3e037f3f3a47
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1551685
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551685 Sample: mpsl.elf Startdate: 08/11/2024 Architecture: LINUX Score: 72 38 146.108.188.249 ZUMTOBEL-ASCorporateDatacenterAustriaAT Austria 2->38 40 114.195.142.107 XEPHIONNTT-MECorporationJP Japan 2->40 42 100 other IPs or domains 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 9 mpsl.elf 2->9         started        signatures3 process4 process5 11 mpsl.elf sh 9->11         started        13 mpsl.elf 9->13         started        15 mpsl.elf 9->15         started        17 mpsl.elf 9->17         started        process6 19 sh crontab 11->19         started        23 sh 11->23         started        25 mpsl.elf 13->25         started        27 mpsl.elf 13->27         started        29 mpsl.elf 15->29         started        file7 36 /var/spool/cron/crontabs/tmp.FhcWdT, ASCII 19->36 dropped 50 Sample tries to persist itself using cron 19->50 52 Executes the "crontab" command typically for achieving persistence 19->52 31 sh crontab 23->31         started        34 mpsl.elf 25->34         started        signatures8 process9 signatures10 54 Executes the "crontab" command typically for achieving persistence 31->54
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-07 23:22:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ws63spc77x446sciiliqxgtlwfal24frad3dseoyat5itbglaccq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery execution persistence privilege_escalatio
Link:
https://tria.ge/reports/241107-3cjkyszjbx/
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Contacts a large (299515) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6735924-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5caa2917-5151-4c3a-8f88-40cd2816874b
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/b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 b4bdb93c5ffdf9cf484842d10b9a6bb140bd70b100f63911d804fa8984cb0085

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3280991/
  
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