MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2
SHA3-384 hash: b57441f80a24d30dc157c5deaeb7f8580139a00a4d0753ce6a30083c82db36246abb078e42e2a1edabadf99c18c23042
SHA1 hash: 24c90cc556d89cca1649bf9f892208f68a029e5e
MD5 hash: b8fdbe99f62275ab1243097be7424de7
humanhash: carbon-hotel-cup-pizza
File name:b2
Download: download sample
Signature Mirai
Create hunting rule
File size:178'600 bytes
First seen:2025-02-20 04:56:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zfpsRMoO5L6Ym4XlOp2RHKvPECofd75T/fkElW6gjRk1Z11EtWPffRfao4j7Nwxa:zfpsRYQpv8Cofd7TffVc36+8i
TLSH T1AB04006AAB725EB7EC0DCD3301995502518C925E92DE2F6FFAA4C518E38BD0F44E3C94
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
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=67b6b6f0a0fd713c335c02c9linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Creating a file
Collects information on the network activity
Receives data from a server
Substitutes an application name
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/82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2
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/11d1c44c-b588-43ff-a7a3-ffc093e38c19
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1619671
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1619671 Sample: b2.elf Startdate: 20/02/2025 Architecture: LINUX Score: 52 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 1.1.1.1, 36217, 53 CLOUDFLARENETUS Australia 2->30 32 3 other IPs or domains 2->32 34 Multi AV Scanner detection for submitted file 2->34 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 signatures3 process4 signatures5 40 Sample tries to kill multiple processes (SIGKILL) 9->40 18 b2.elf 9->18         started        process6 process7 20 b2.elf 18->20         started        signatures8 36 Sample tries to kill multiple processes (SIGKILL) 20->36 23 b2.elf 20->23         started        26 b2.elf 20->26         started        process9 signatures10 38 Sample tries to kill multiple processes (SIGKILL) 23->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-20 04:57:21 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=qkzalaskkpxf6hml6cebic4qhy4fli5zj7f7yiipzvqhwzd6ygza._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/250220-fksr9sxjgw/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/afc2769c-b276-4ca1-8f68-503fd1671d76
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/82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2

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 82b205824a53ee5f1d8bf088140b903e3855a3b94fcbfc210fcd607b647ec1b2

(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