MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dc3fb8786c6384a198b835bdf232c724797e36c51938f76ce2ee7afda75d495. 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 3 File information Comments

SHA256 hash: 5dc3fb8786c6384a198b835bdf232c724797e36c51938f76ce2ee7afda75d495
SHA3-384 hash: 1bcfbc9b43c755846972bed225ad5742b816405bfe443ad8c1a79ae090ddb28b8458ec14971789b9c84571a973161e2b
SHA1 hash: 8897fb6af456c512af164345f0112c0278650551
MD5 hash: d416d05149ee4a3ad9fb4fdee704fbaf
humanhash: spaghetti-uranus-indigo-fish
File name:na
Download: download sample
Signature Mirai
File size:105'624 bytes
First seen:2024-10-09 06:17:46 UTC
Last seen:2024-10-09 07:29:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:aHiMwLJhWUhG1BD+i1vwUQ0WsiZ/Qsvucex23c4VuZE59XMhjxc5t0WAAuZgO:aCMwLjoKKD743cguA2e05Zg
TLSH T1B5A3F609BF610EFBD86FCD3746A9074635CC951B22A83B763534D928F24B14B0AE3D64
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
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
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1529619 Sample: na.elf Startdate: 09/10/2024 Architecture: LINUX Score: 64 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 dash rm na.elf 2->8         started        10 dash rm 2->10         started        process3 process4 12 na.elf 8->12         started        14 na.elf 8->14         started        16 na.elf 8->16         started        process5 18 na.elf 12->18         started        20 na.elf 12->20         started        22 na.elf 14->22         started        process6 24 na.elf 18->24         started       
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2024-10-09 06:18:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery
Behaviour
Reads runtime system information
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Contacts a large (281801) amount of remote hosts
Creates a large amount of network flows
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:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
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 5dc3fb8786c6384a198b835bdf232c724797e36c51938f76ce2ee7afda75d495

(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