MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3. 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: fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3
SHA3-384 hash: 77e4c3d33fda89154da8ce66872d3d38a4749db067cbb0c5eff5fce2fad00dee08541b4b591f98e39b962c17a8f78a4a
SHA1 hash: b50ba301b902ef18102298d65cf2cf486b364caa
MD5 hash: 0c58e9115cbf70013b03892f6d214034
humanhash: winner-indigo-uranus-arkansas
File name:nabarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:62'020 bytes
First seen:2025-03-06 14:41:34 UTC
Last seen:2025-03-07 03:16:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:VxnH8q55qmevnpejyx2s+uJPQ7hkulqDJllt6iJSjiyg:oq55qmCQjyx23uJPQ7hkuQ71Sj5g
TLSH T11353F64AFD81AF01D4D521BAFF0F518933135BA8E3EA72129D106B256BCA91B0F7A415
telfhash t1fa11230099c80d6ce3a0c27dd1bda3361612a2e23d9b3e5a4e887cd943328d71930866
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 :
2
# of downloads :
106
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29229.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c9b661c668b65489bf7652linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
130
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7b20e66d-42d3-4a76-b872-a448b94d4d4a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1631045
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1631045 Sample: nabarm7.elf Startdate: 06/03/2025 Architecture: LINUX Score: 52 20 watchmepull.dyn. [malformed] 2->20 22 204.80.106.218, 2054, 23 ZOOM-VIDEO-COMM-ASUS United States 2->22 24 101 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 dash rm nabarm7.elf 2->8         started        10 dash rm 2->10         started        signatures3 28 Sends malformed DNS queries 20->28 process4 process5 12 nabarm7.elf 8->12         started        process6 14 nabarm7.elf 12->14         started        16 nabarm7.elf 12->16         started        18 nabarm7.elf 12->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-06 14:42:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7njrxhenmljoj7x6p2djegkckvivjwc5obsiv5uaznyrdcef5tbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access defense_evasion discovery
Link:
https://tria.ge/reports/250306-r24fwaz1d1/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (14892) amount of remote hosts
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/4e573c0b-179f-4e69-b204-cbb5cf8ce90f
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/fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3

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_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 fb531b9c8d62d2e4fefe7e86921942555154d85d70648af680cb71118885ecc3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3422942/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3423992/
  
URLhaus
https://urlhaus.abuse.ch/url/3458293/
  
URLhaus
https://urlhaus.abuse.ch/url/3458479/
  
URLhaus
https://urlhaus.abuse.ch/url/3470171/
  
URLhaus
https://urlhaus.abuse.ch/url/3424011/
  
URLhaus
https://urlhaus.abuse.ch/url/3422929/

Comments