MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65b4f1723b05286bcad0871d494c277f85d0b29d0795f631aa370b60f4e71d23. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 65b4f1723b05286bcad0871d494c277f85d0b29d0795f631aa370b60f4e71d23
SHA3-384 hash: e9e525198c76dad41769f7519df22cb5ac581cfbc3050e3aad94e2de957915f58aadc482f29b8266209f18c35e830633
SHA1 hash: 9868916e5b0d63c6b83e218080fa0971875a6d3a
MD5 hash: 9a0ff491adbf9b52d8d5a71217111988
humanhash: dakota-texas-dakota-tennessee
File name:nshkmips
Download: download sample
Signature Mirai
File size:93'412 bytes
First seen:2024-12-20 16:16:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HnnrYkZfjA1dKl3Ip9I3HhmChm2+m5SsYSAvKDsR46J+d+/F3yS65e/52JZRzCAm:L/OvKiI3nYKc4/+Np67ZRzCAm
TLSH T19293C80E6E319FADF369823447F74A21A75937C622E1D686D2ACD6101F7034E246FFA4
telfhash t12321810c89b423e487354c992a7effb6d19030db57266d378f01b97daaadd415e00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
110
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Deleting a recently created file
Connection attempt
Mounts file systems
DNS request
Runs as daemon
Opens a port
Removes directories from a temporary directory
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1579021 Sample: nshkmips.elf Startdate: 20/12/2024 Architecture: LINUX Score: 68 21 catvision.dyn. [malformed] 2->21 23 211.60.238.225 WOORIWM-AS-KRWOORIInvestmentSecuritiesKR Korea Republic of 2->23 25 103 other IPs or domains 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 9 nshkmips.elf 2->9         started        signatures3 33 Sends malformed DNS queries 21->33 process4 process5 11 nshkmips.elf 9->11         started        13 nshkmips.elf 9->13         started        process6 15 nshkmips.elf 11->15         started        17 nshkmips.elf 13->17         started        process7 19 nshkmips.elf 15->19         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-12-20 16:17:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (234561) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-6735924-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
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 65b4f1723b05286bcad0871d494c277f85d0b29d0795f631aa370b60f4e71d23

(this sample)

  
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