MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d
SHA3-384 hash: ceb779d583eaeddadcf30762e796b5bdaa002d06730e9c9fd127fb1f47e4fba0cbd444e23ff494279d62b1317cec9e0c
SHA1 hash: cc1bb5a9f6616276eb11bc12404fad6ecb4a4795
MD5 hash: 5e3975c5d2a63ddcbc79e8337f16d7b5
humanhash: florida-sixteen-comet-johnny
File name:bot.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:173'932 bytes
First seen:2024-03-21 21:27:08 UTC
Last seen:2024-03-22 12:48:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:uAWwzCWRGbfR+SJq0mUxXpk/R+DaDuoVz6:udwOWq+UpJX2J++DNk
TLSH T1EF04885E6E128F7EF668873047B74E25976823DA27E1D644E1ACC1102F6438E641FFE8
telfhash t1b8419e181db813e0a6296c5905adff36d6a731db7e232c378e50e46a9b79b835d10c0c
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
24
# of downloads :
137
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
DNS request
Sends data to a server
Connection attempt
Substitutes an application name
Deletes a system binary file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug bash lolbin masquerade remote
Link:
https://www.filescan.io/uploads/65fca8c6fc3fe20efe6b3e18/reports/9bc78d6f-a917-419c-9cdc-7cd2923fde04/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
103.188.244.189
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/c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Moobot 103.188.244.189:43957
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2da85ce2-974d-455b-9151-81f98379d9d2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1413703
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
Reads system files that contain records of logged in users
Snort IDS alert for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1413703 Sample: bot.mips.elf Startdate: 21/03/2024 Architecture: LINUX Score: 96 31 bn.networkbn.click 103.188.244.189, 37238, 43957 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 2->31 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 4 other signatures 2->39 10 systemd accounts-daemon 2->10         started        13 bot.mips.elf 2->13         started        15 xfce4-session xfdesktop 2->15         started        signatures3 process4 signatures5 41 Reads system files that contain records of logged in users 10->41 17 accounts-daemon language-validate 10->17         started        19 bot.mips.elf 13->19         started        process6 process7 21 language-validate language-options 17->21         started        23 bot.mips.elf 19->23         started        process8 25 language-options sh 21->25         started        process9 27 sh locale 25->27         started        29 sh grep 25->29         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-03-21 21:38:13 UTC
File Type:
ELF32 Big (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymnyiy7p3mwg3kz4du3zixhkk2gj55r7bzea5ofqok4x5pbpya6q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/240321-1g3taaba63/
Behaviour
Reads runtime system information
Enumerates running processes
Changes its process name
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/c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d

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 c31b8463efdb2c6dab3c1d37945cea568c9ef63f0e480eb8b072b97ebc2fc03d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2789108/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2789107/

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