MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5
SHA3-384 hash: 07cdfb4a69554925f555409f93df7c08e0864f33ebaba5ed597ec8eda5f51609a697cd42e65143b84fe3f22ff5c8ff76
SHA1 hash: 3472c3ffa4b2049110a8de71a416d8d5235ee6a0
MD5 hash: da3b2e781acf9fd712d0adb4f7d6f989
humanhash: diet-cola-spring-low
File name:nshmips
Download: download sample
Signature Mirai
Create hunting rule
File size:89'640 bytes
First seen:2024-12-05 16:56:18 UTC
Last seen:2024-12-05 21:20:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:r6al5cfjUl1NzB3oiV3iVePVPoY3Utf9JfXBemXURZLBRHp:Jz1l1X3P3Utf95XqZfJ
TLSH T13993C81E6E618FADF368833447B78E21A75933D522E1D685E2ACD2101F7034E585FFA8
telfhash t156218e4c4d7822f497715c9d2beeff76e9a130de0a226d378e00b96da66dd428d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6751db5e12e85e185e765245linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Unmounts file systems
Deleting a recently created file
Connection attempt
Mounts file systems
Receives data from a server
DNS request
Opens a port
Sends data to a server
Removes directories from a temporary directory
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
Link:
https://www.filescan.io/uploads/6751db624ac4ab66dfca6084/reports/248deee1-560b-49ae-b3c0-ebfb847fc145/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0726d9a4-b76d-463a-b531-a8ff330ccfea
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1569399
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1569399 Sample: nshmips.elf Startdate: 05/12/2024 Architecture: LINUX Score: 100 22 catvision.dyn. [malformed] 2->22 24 catvision.dyn 2->24 26 102 other IPs or domains 2->26 28 Suricata IDS alerts for network traffic 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 4 other signatures 2->36 9 nshmips.elf 2->9         started        signatures3 34 Sends malformed DNS queries 22->34 process4 signatures5 38 Sample reads /proc/mounts (often used for finding a writable filesystem) 9->38 12 nshmips.elf 9->12         started        14 nshmips.elf 9->14         started        process6 process7 16 nshmips.elf 12->16         started        18 nshmips.elf 14->18         started        process8 20 nshmips.elf 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-05 16:57:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggatxnu6cc3dnr4fgwgkbhl7sglzivg4n7aad52qx4b23c66r7sq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/241205-vf8p9azjhp/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (174559) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/f9f4595e-6a54-47c4-a1ca-4c0a355e97b2
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/31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 31813bb69e10b636c785358ca09d7f91979454dc6fc001f750bf03ad8bde8fe5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3289046/
  
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