MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8. 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: 2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8
SHA3-384 hash: 678ae32fb688a804c47509cd2b9f32fc17031b6c5aa11362d7eb2275a48f6e24fef336f2181a30e44d9df3a3d306755f
SHA1 hash: 2d077e16d4ce647217b903a8b73417db14e38de8
MD5 hash: 0eb16270e23439c4bfd634aab40f7768
humanhash: pennsylvania-single-eight-blossom
File name:b2
Download: download sample
Signature Mirai
Create hunting rule
File size:181'616 bytes
First seen:2025-02-21 05:27:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:m60oJlLm5m7Ectfa88CoD5HTT/HkEluX/GDdrGUnD5NlWj128orct3xxJKQIv:m6lVy88CoD5Hwj1NxxQXv
TLSH T169043F6AAB715EB7EC0ECD3301994902518D925E92DE2F6FF6A4C518E38BD0F45E3C84
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10010431-0
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b80fe328ab76d43a5c3604linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the network activity
Creating a file
Kills processes
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/67b80eed5b81efb9a696570d/reports/5a5ee717-9472-469b-9ddd-865d49847f07/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/2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8
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/05be5930-f5c5-4886-a5a1-adca3c29c1e7
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1620647
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1620647 Sample: b2.elf Startdate: 21/02/2025 Architecture: LINUX Score: 52 33 Multi AV Scanner detection for submitted file 2->33 9 dash rm b2.elf 2->9         started        12 dash rm 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 5 other processes 2->16 process3 signatures4 35 Sample tries to kill multiple processes (SIGKILL) 9->35 18 b2.elf 9->18         started        process5 process6 20 b2.elf 18->20         started        process7 22 b2.elf 20->22         started        24 b2.elf 20->24         started        26 b2.elf 20->26         started        28 b2.elf 20->28         started        process8 30 b2.elf 22->30         started        signatures9 37 Sample tries to kill multiple processes (SIGKILL) 30->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-21 05:28:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=frlxuwi4izlpurbg5dxaidgomqcswu6ad562arf4laddbpuihpea._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/250221-f53szawmw9/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2927a005-cd6a-49a5-89a6-7157006d4c2e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 2c577a591c4656fa4426e8ee040cce64052b53c01f7da044bc580630be883bc8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3445162/
  
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