MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c
SHA3-384 hash: df77544a859502c7df0c448f82cee94f2241a6f2c0dbb24dbc8f5fad1fabed8adb1d83bb8aed121eb82ead220ace72a2
SHA1 hash: 51b099a6dc8a00177306c7415543ea8985f62693
MD5 hash: 733200cef5f66f170a9854253ada7cb6
humanhash: michigan-nineteen-fillet-johnny
File name:xnxnxnxnxnxnxnxnx86_64xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:63'912 bytes
First seen:2026-02-05 09:01:46 UTC
Last seen:2026-02-05 09:31:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:zoZ/Yzn9l6maZh7RybbM6EwryUxNW78z77SsheZjgeAQl:cSn9jaBybw6E4yUu707bheZjSQl
TLSH T11353123712A5902DE075CA374B5CCDB5837A82989B20465BE97EF5BF2E41E05F090E2F
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 UPX
File size (compressed) :63'912 bytes
File size (de-compressed) :136'064 bytes
Format:linux/amd64
Unpacked file: c15a7c7f7ac08234b84f01c43bfd0c2c7e58ecbd28f1dfd46d27e1e4667927a7

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a86a85d8-503d-4e98-86ba-b7f8ae841c31/
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.6204.21210.12629.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
109
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/60658045-3a15-4a38-ab6a-11aa92422723
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1863820
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h36lplur2k22jt67prx442uhxrohpl6tcvuo3a7gof6k2nedwywa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux upx
Link:
https://tria.ge/reports/260205-kzjv5acw7a/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 3efcb7ae91d2b5a4cfdf7c6fce6a87bc5c77afd31568ed83e6717cad3483b62c

(this sample)

Mirai

elf c15a7c7f7ac08234b84f01c43bfd0c2c7e58ecbd28f1dfd46d27e1e4667927a7

  
URLhaus
https://urlhaus.abuse.ch/url/3760876/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c15a7c7f7ac08234b84f01c43bfd0c2c7e58ecbd28f1dfd46d27e1e4667927a7
  
Dropping
MD5 e81a58e4b581a3dd2b2322c380320dd8

Comments