MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70
SHA3-384 hash: 54bff9466894637f818c7bd0f2faf9952a28455817921d7946903c3a5730eb003ffd7b8c4361694a108fcd55ac384754
SHA1 hash: 13d72ecfa5fb52df122c8c6ca69b7c0f488c0a77
MD5 hash: f73326abefe7b80f99b6d1f6f30bda62
humanhash: white-indigo-mountain-london
File name:f73326abefe7b80f99b6d1f6f30bda62
Download: download sample
Signature Mirai
Create hunting rule
File size:120'789 bytes
First seen:2024-06-24 07:51:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:E7ijcDhXafKa8gmmC7c+aa35j1CEIwiipmcfSpmmyBthQ/1nzvt:E7SsMC7TaOLIwiiF+mmyBthQ/1nzvt
TLSH T177C34A01D5518B57C1D2277ABBAF425E33236B68D39B33215A24BFB42FC2B9D1E39021
telfhash t157211d07e17f8a296eb11824dc784bf500186737a6527f70bf0ec2c8402e002ba22e5f
Reporter zbetcheckin
Tags:32 arm elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9917488-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Changes access rights for a written file
DNS request
Creating a file
Receives data from a server
Connection attempt
Runs as daemon
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Kills critical processes
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/667925a46be3b3c7c2347041/reports/c2d08071-f7dc-4626-9c02-1471a054eb87/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
105
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be2ea86b-b711-43c5-b356-4cbf2759610c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1461514
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461514 Sample: N6pCduwOek.elf Startdate: 24/06/2024 Architecture: LINUX Score: 60 31 95.214.27.138, 443, 56906 CMCSUS Germany 2->31 33 conn.masjesu.zip 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Contains symbols with names commonly found in malware 2->37 9 N6pCduwOek.elf 2->9         started        signatures3 process4 process5 11 N6pCduwOek.elf 9->11         started        13 N6pCduwOek.elf 9->13         started        process6 15 N6pCduwOek.elf sh 11->15         started        17 N6pCduwOek.elf sh 11->17         started        19 N6pCduwOek.elf 13->19         started        21 N6pCduwOek.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.qTwDxH, ASCII 23->29 dropped 39 Sample tries to persist itself using cron 23->39 41 Executes the "crontab" command typically for achieving persistence 23->41 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-06-23 23:39:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qg36bejl43mkmtgnndjbnef6m7jdvjza4amkpjgnhp5ijam6tnya._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/240624-jqd3vavejp/
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/81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 81b7e0912be6d8a64ccd68d21690be67d23aa720e018a7a4cd3bfa84819e9b70

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2903816/

Comments


Avatar
zbet commented on 2024-06-24 07:51:11 UTC

url : hxxp://95.214.27.138/bins/LSYCBC20tU1g50E5M4X4F1wPHyBBURfjCs