MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff
SHA3-384 hash: 1c5a76ba24a820e026e38478b91327ca196f1e0b7bdc490ceed491138dc0c655ef19c1ecf65149945527d526d57479e4
SHA1 hash: a774a45246049da373e41e8bc3fd918b538037c9
MD5 hash: d41883b67460e11486a3b2b5f8ee1ce8
humanhash: emma-arkansas-nitrogen-london
File name:d41883b67460e11486a3b2b5f8ee1ce8
Download: download sample
Signature Mirai
Create hunting rule
File size:173'764 bytes
First seen:2024-05-01 09:45:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:gF2ivn3vfjrBwzvK4DNNJBSBSO1WGxe8GWsfNyJTfxIhTiO0RmH31Q:gzv/ejZNJBSBSuW4GWTXITkRmH3m
TLSH T16D04885E6E228F7DF668873447B78E25976823DA27E1D644E1ACC1101F2039E641FFE8
telfhash t17141a2180d7817e0a7356c9d099dfb36d6a330de7e262d338f61e86aab69a435d11c0c
Reporter zbetcheckin
Tags:32 elf mips mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Deletes a system binary file
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash lolbin mirai remote
Link:
https://www.filescan.io/uploads/66320f68de9c2e310305ef60/reports/6b5c16f5-0eda-49e6-9dcf-b7b95559d6ba/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
38
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 178.128.212.58:43957
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f0c2742-e47e-4c3e-be14-13f616e3ccbd
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1434567
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1434567 Sample: 9EYzS8C2Sn.elf Startdate: 01/05/2024 Architecture: LINUX Score: 100 18 bn.networkbn.click 178.128.212.58, 34908, 43957 DIGITALOCEAN-ASNUS Netherlands 2->18 20 54.217.10.153, 34590, 443 AMAZON-02US United States 2->20 22 Snort IDS alert for network traffic 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 5 other signatures 2->28 8 9EYzS8C2Sn.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 9EYzS8C2Sn.elf 8->14         started        process6 16 9EYzS8C2Sn.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-05-01 09:46:12 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5niieo6brl4gnglaqcv7xnsy55z2g64ne4vlooz3amfl6wf6d7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/240501-lrnd1seb96/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
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/b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff

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:Linux_Trojan_Gafgyt_28a2fe0c
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 b75a8411de0c57c334cb04055fddb2c77b9d1bdc693955b9d9d81855fac5f0ff

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2789108/
  
URLhaus
https://urlhaus.abuse.ch/url/2833725/

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


Avatar
zbet commented on 2024-05-01 09:45:58 UTC

url : hxxp://178.128.212.58/bot.mips