MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1
SHA3-384 hash: 8eaa726c93afc988f249e4694cfbda22179b6a676fad912e55b156398f64980ee45ee8c0c4c30d0df9d5f1b2fd2a3ea6
SHA1 hash: 5f09f4baed114b594729ded91e2c4d263f0e2754
MD5 hash: 4ad582d49f505bfab7de84881998685b
humanhash: nevada-beer-cat-skylark
File name:mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:102'508 bytes
First seen:2024-11-08 02:46:51 UTC
Last seen:2024-12-26 21:20:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:F5qh1zJkioSuNxDlUllHCWcTE8NgZFsbNwGEalou39P6pI:F5qh1i1SlTcTzNgrz06pI
TLSH T1F9A3C40AAF610EFBD86FCD3B06B9070535CC551722B83B3A3574D928F64A14B5AE3D68
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 :
4
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672d7ba796bcb959b48d58c3linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Mounts file systems
Connection attempt
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
Opens a port
Changes access rights for a written file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/672d7ba65e56a0da881ed6e6/reports/fd6447bf-22c1-4262-8daf-fb7f553f2a2b/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/b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/85b1278c-00f5-4abe-94d8-43a289a2cf4a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1551722
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1551722 Sample: mpsl.elf Startdate: 08/11/2024 Architecture: LINUX Score: 52 40 31.13.248.89, 14998, 20432, 2574 NETERRA-ASBG Bulgaria 2->40 42 91.149.238.18, 10037, 10164, 11622 MARTON-ASPL Poland 2->42 44 9 other IPs or domains 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 9 dash rm mpsl.elf 2->9         started        11 dash rm 2->11         started        13 dash cut 2->13         started        15 7 other processes 2->15 signatures3 process4 process5 17 mpsl.elf sh 9->17         started        19 mpsl.elf 9->19         started        21 mpsl.elf 9->21         started        23 mpsl.elf 9->23         started        process6 25 sh crontab 17->25         started        29 sh 17->29         started        31 mpsl.elf 19->31         started        33 mpsl.elf 19->33         started        file7 38 /var/spool/cron/crontabs/tmp.Ty2dhy, ASCII 25->38 dropped 50 Sample tries to persist itself using cron 25->50 52 Executes the "crontab" command typically for achieving persistence 25->52 35 sh crontab 29->35         started        signatures8 process9 signatures10 48 Executes the "crontab" command typically for achieving persistence 35->48
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-08 02:47:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whuhcpnutqk3e4v2uepfk2pmwtzc7vqgj5nklhwsg3ik6whrlgqq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio
Link:
https://tria.ge/reports/241108-c9v25stdqg/
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
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/86d54ad4-eb8d-45a2-9f36-b94b08888bc4
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/b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1

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 b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3280991/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3192433/

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