MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d540b03c16119c874f6cf3b129c50ef1e775dcff2a2cae340f066346f41bd701. 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 2 File information Comments

SHA256 hash: d540b03c16119c874f6cf3b129c50ef1e775dcff2a2cae340f066346f41bd701
SHA3-384 hash: a17421ac263a542f8003edcc9879b4f8e61875578879a5a8ec5016b5bbd0d4bc7be43a0666cd4bd041a72939d51e6ecc
SHA1 hash: 4e12270a219d7ed1150fa065fcc33781d509cf9f
MD5 hash: 7c4eeb148b70fbcff72ad24a16800ef7
humanhash: angel-king-crazy-beryllium
File name:nwfaiehg4ewijfgriehgirehaughrarg.x86_64
Download: download sample
Signature Mirai
File size:41'876 bytes
First seen:2025-10-13 05:38:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:nAi7PZ6edbWDeBBB5N2+JXAXC4yv/40nY3NCgRaBeqAec0x0K7:h7FRWDSBI+J6pj3qB/P7
TLSH T19A13F13075AFE6BCF8BBECFB40ADA298EBE11501D99757264A6009CECC4EC3C5140DA1
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 :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
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
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-12T12:08:00Z UTC
Last seen:
2025-10-14T00:30:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-12 16:18:14 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
seal.bravoteam6.org
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf d540b03c16119c874f6cf3b129c50ef1e775dcff2a2cae340f066346f41bd701

(this sample)

  
Delivery method
Distributed via web download

Comments