MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed
SHA3-384 hash: be68bebaeb53e525e1db83835a59ceb19bf9adea4acb2ef7f55a360cfd8d3941829cf4be7a02815aa29e35d34446dd56
SHA1 hash: 50a0f0455cba660f41908ba89fef0920141e8a67
MD5 hash: 37ca0ba5dc7d318d88031eb7ceb6246b
humanhash: double-twenty-colorado-lithium
File name:nsharm7
Download: download sample
Signature Mirai
Create hunting rule
File size:103'648 bytes
First seen:2024-11-09 20:26:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:YE4Y15vc5ftar/oWgxBYJmIvVmuBPBtkwX:YE4iBMtar/oWgxgmIYuRBKwX
TLSH T161A30A46B9819F11D4D631FAFB9E414933136FB8E3FA7101D920AF6423CA9DB0EB6512
telfhash t138d02ba9a5c50cc8bfc18b40d69f75702f7cb9f57f456cf292982b6cc21b911383a521
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
13'482
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672fc5c76c614f3030a3e60blinux22vpnfull_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 expand gcc lolbin remote
Link:
https://www.filescan.io/uploads/672fc599f89762b373f3c5bd/reports/58a29e71-408e-442b-939b-6cf45ba47618/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
44
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80ffa1e4-ad9b-4aff-b12a-8619d1b64235
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1552885
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
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: 1552885 Sample: nsharm7.elf Startdate: 09/11/2024 Architecture: LINUX Score: 64 38 213.182.204.57, 12159, 33466, 48188 M247GB Latvia 2->38 40 81.29.149.178, 1853, 23522, 33286 COMUNICA_IT_SERVICESCH Switzerland 2->40 42 5 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 9 nsharm7.elf 2->9         started        signatures3 process4 file5 36 /root/.bashrc, ASCII 9->36 dropped 52 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 9->52 13 nsharm7.elf sh 9->13         started        15 nsharm7.elf sh 9->15         started        17 nsharm7.elf 9->17         started        19 nsharm7.elf 9->19         started        signatures6 process7 process8 21 sh crontab 13->21         started        25 sh 13->25         started        27 sh 15->27         started        29 nsharm7.elf 17->29         started        file9 34 /var/spool/cron/crontabs/tmp.iA94lE, ASCII 21->34 dropped 48 Sample tries to persist itself using cron 21->48 50 Executes the "crontab" command typically for achieving persistence 21->50 31 sh crontab 25->31         started        signatures10 process11 signatures12 54 Executes the "crontab" command typically for achieving persistence 31->54
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 20:27:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v3br5kfvo5hge2vg43zxcnrcl6xo772f7p5oony6uolumjyj2twq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio privilege_escalation
Link:
https://tria.ge/reports/241109-y8d8wstrhn/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Creates a large amount of network flows
Creates/modifies Cron job
Modifies systemd
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9056c69c-2525-4bbc-aca9-9d08d6282110
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/aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed

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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 aec31ea8b5774e626aa6e6f37136225faeefff45fbfae7371ea397462709d4ed

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3281683/
  
Delivery method
Distributed via web download

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