MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f
SHA3-384 hash: bf7e63a4104984d4051cf51af82dc08e4324d822292f225f8471feac3728c0625027d2cc46179846014732f6608df378
SHA1 hash: 2b3ca8a1312d161c807e4db216ccba8cfaa1a8e4
MD5 hash: ce09022110089c15bc71b266b4350e8a
humanhash: carpet-zulu-winter-maryland
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:41'792 bytes
First seen:2025-10-06 17:23:35 UTC
Last seen:2025-10-06 19:21:50 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:mga/+zi1F0OAncz9iJ+zQQoqdnNHsZ76kTqPoABCcJgGlzDpbuR1JI:fWx++z33MUAqPoOLVJuO
TLSH T1581302FC35F31CFAD40A807D3B2D8780B5644762391799D36D5EC9C9BE8B1F02846956
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) :41'792 bytes
File size (de-compressed) :104'436 bytes
Format:linux/mips
Unpacked file: dd490bffba0940b39a4273eb183310a4b41c754ed591bba57405d9d173d75c10

Intelligence

File Origin
# of uploads :
4
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Launching a process
Connection attempt
Substitutes an application name
Writes files to system directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/68e3fb5ed4a0085473c1c456/reports/295aa295-f47e-4900-9aed-a8efe5eaa31f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
146
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-06T08:19:00Z UTC
Last seen:
2025-10-07T10:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b8a20cd7-9456-4818-bcdf-8b38b9366e30
Behavior Graph:
Download SVG
%3 guuid=778eab2b-1900-0000-5b06-2cdf680b0000 pid=2920 /usr/bin/sudo guuid=5cdfb92e-1900-0000-5b06-2cdf6d0b0000 pid=2925 /tmp/sample.bin guuid=778eab2b-1900-0000-5b06-2cdf680b0000 pid=2920->guuid=5cdfb92e-1900-0000-5b06-2cdf6d0b0000 pid=2925 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d06d1653-5d4a-4b36-9b80-ac0e6757e1b1
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1789999
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789999 Sample: morte.mips.elf Startdate: 06/10/2025 Architecture: LINUX Score: 92 32 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->32 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 44 Yara detected Xmrig cryptocurrency miner 2->44 46 Sample is packed with UPX 2->46 10 morte.mips.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.mips.elf 10->13         started        process6 process7 15 morte.mips.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 34 Sample tries to set files in /etc globally writable 15->34 36 Drops files in suspicious directories 15->36 38 Sample tries to persist itself using System V runlevels 15->38 19 morte.mips.elf sh 15->19         started        21 morte.mips.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        48 Sample deletes itself 21->48 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 50 Drops invisible ELF files 24->50 52 Drops files in suspicious directories 24->52 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-10-06 10:56:11 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w23v2u2mg3vl3cpfjdokcp7po2znb353hvt22nr4ozbddeokrbxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence upx
Link:
https://tria.ge/reports/251006-vy21esdp5v/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Reads process memory
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5758708c-e9cb-4537-9b32-230a97895381
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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 b6b75d534c36eabd89e548dca13fef76b2d0efbb3d67ad363c76423191ca886f

(this sample)

Mirai

elf dd490bffba0940b39a4273eb183310a4b41c754ed591bba57405d9d173d75c10

  
URLhaus
https://urlhaus.abuse.ch/url/3660522/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 dd490bffba0940b39a4273eb183310a4b41c754ed591bba57405d9d173d75c10
  
Dropping
MD5 2ca4f1a74118e1e63c25ed2bb681cdfb

Comments