MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57faeb07f191524e8a4f5a07571e246e2a202cefef04932a252385e6faa8958c. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57faeb07f191524e8a4f5a07571e246e2a202cefef04932a252385e6faa8958c
SHA3-384 hash: 5c61007885005f841059b9b4c1732d33a519464b3996dc7944c0267f33fcedb424023152ace2cd1f5890d54d59b76f32
SHA1 hash: 0a9d0c22cdddf9d96ba8060ef196c4838be597ab
MD5 hash: c56b84a2f8b5317203262c138ad311c1
humanhash: eleven-nine-nine-cup
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:44'708 bytes
First seen:2025-12-03 22:40:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:x2fjRR9ZCUV7msZnr0/77xyg0m4tvaoSQfrLzg+A/22m8KYyVXRdNHcqBY6Dnbc+:+RLZCEm20TdsdfrLs+A+z8VEhdNCYno+
TLSH T12413028740E29BA8F26814F3357D12450924529CFE2190E7DEFC523D844BB7C6FACAB9
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 UPX
File size (compressed) :44'708 bytes
File size (de-compressed) :108'016 bytes
Format:linux/i386
Unpacked file: d4f84b1945a67c1a29771588da2fc1e3701abdff504c0f0b436e38918393d356

Intelligence

File Origin
# of uploads :
1
# of downloads :
26
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f8aa9b46-908d-40c3-b174-e50f239e9e29/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Launching a process
Sends data to a server
Removes directories
DNS request
Sets a written file as executable
Deleting a recently created file
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6930bc5dbba50eaf041ff02b/reports/c365a1ab-3336-41f2-95ca-878da2e1aefd/overview
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c928bfed-6ad3-4046-8e8c-ddd15b6a34f1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1825920
Signature
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825920 Sample: morte.x86.elf Startdate: 03/12/2025 Architecture: LINUX Score: 84 39 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected Mirai 2->43 45 Sample is packed with UPX 2->45 10 morte.x86.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 morte.x86.elf 10->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 22 morte.x86.elf 18->22         started        file7 37 /etc/init.d/sysd, POSIX 22->37 dropped 47 Sample tries to set files in /etc globally writable 22->47 49 Drops files in suspicious directories 22->49 51 Sample tries to persist itself using System V runlevels 22->51 26 morte.x86.elf 22->26         started        28 morte.x86.elf sh 22->28         started        signatures8 process9 process10 30 morte.x86.elf 26->30         started        33 morte.x86.elf 26->33         started        35 sh cp 28->35         started        signatures11 53 Manipulation of devices in /dev 30->53 55 Deletes system log files 30->55 57 Sample tries to kill multiple processes (SIGKILL) 33->57
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/57faeb07f191524e8a4f5a07571e246e2a202cefef04932a252385e6faa8958c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57faeb07f191524e8a4f5a07571e246e2a202cefef04932a252385e6faa8958c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 22:40:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k75owb7rsfje5csplidvohrenyvcalhp54cjgkrfeoc6n6viswga._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux persistence upx
Link:
https://tria.ge/reports/251203-2pkhcahm6w/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes Audit logs
Deletes journal logs
Deletes system logs
Mirai
Mirai family
Malware Config
C2 Extraction:
b3ry.bounceme.net
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
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 57faeb07f191524e8a4f5a07571e246e2a202cefef04932a252385e6faa8958c

(this sample)

Mirai

elf d4f84b1945a67c1a29771588da2fc1e3701abdff504c0f0b436e38918393d356

  
Dropping
SHA256 d4f84b1945a67c1a29771588da2fc1e3701abdff504c0f0b436e38918393d356
  
Dropping
MD5 8d87e1c868fa4074219cf55d5d69e0ea
  
URLhaus
https://urlhaus.abuse.ch/url/3720181/
  
Delivery method
Distributed via web download

Comments