MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba. 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: b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba
SHA3-384 hash: 33f4bbb13f4c2e2fd10d21a5528adcae61148cdc9c99215fcdb87e6d5425d4ef672e94a1324ff2b95827c8aca68e444d
SHA1 hash: e4a1e4112630d657601ce9331500fa1b8c86e89a
MD5 hash: 7f408cecb2d4d1486acc512352053cbf
humanhash: queen-sweet-kitten-robin
File name:morte.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:114'280 bytes
First seen:2025-08-11 05:56:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rKFAHlCSYBqbZbKvrCdBiYFpVKpNLxSdWtyB/TqbehL1HD5oABI1:fH8ubUvmpVKpNLxS2y959op1
TLSH T164B3C81E7E218F7DF768863047B74B21A35933D627E1D685E2ACD9041F6034E285FBA8
telfhash t16421ac6c897412f097754d9d1bedffb6e5a070de0a362d338e01e9adaaacd425e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895
File size (compressed) :43'176 bytes
File size (de-compressed) :114'148 bytes
Format:linux/mips
Packed file: a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
DNS request
Changes access rights for a file
Runs as daemon
Changes access rights for a written file
Removes directories
Removes directories from a temporary directory
Sends data to a server
Connection attempt
Deleting a recently created file
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/689986479ef4d2ff7cf56cbf/reports/f57f31ab-29dc-4d2e-9fc3-8dc18c9b47ea/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
57
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5d538a13-8fb9-48c6-9c39-f8afa6b73ca7
Behavior Graph:
Download SVG
%3 guuid=dd7f5fa6-1a00-0000-6a29-3c8fa60b0000 pid=2982 /usr/bin/sudo guuid=83aeb1a8-1a00-0000-6a29-3c8fa80b0000 pid=2984 /tmp/sample.bin guuid=dd7f5fa6-1a00-0000-6a29-3c8fa60b0000 pid=2982->guuid=83aeb1a8-1a00-0000-6a29-3c8fa80b0000 pid=2984 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ce2e80e3-0cfe-4cc5-9a52-862cdd1b8d09
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1754266
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754266 Sample: morte.mips.elf Startdate: 11/08/2025 Architecture: LINUX Score: 64 29 vipcncnetwork.com 196.251.114.181, 12121, 38894 xneeloZA Seychelles 2->29 31 169.254.169.254, 80 USDOSUS Reserved 2->31 33 4 other IPs or domains 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 10 morte.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        signatures3 process4 process5 18 morte.mips.elf 10->18         started        process6 20 morte.mips.elf 18->20         started        process7 22 morte.mips.elf 20->22         started        process8 24 morte.mips.elf 22->24         started        27 morte.mips.elf 22->27         started        signatures9 39 Manipulation of devices in /dev 24->39 41 Deletes system log files 24->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 05:57:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp3f3sg6x6dyahwjtcn3m2iqzsvgeud45rp3ffvvpe6eo7pafo5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250811-gnr6kszyhx/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0fb87a57-9226-4aca-925d-dc6fbb85f2a4
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/b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba

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:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:unixredflags3
Create hunting rule
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 a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895

Mirai

elf b3f65dc8debf87801ec9989bb66910ccaa62507cec5fb296b5793c477de02bba

(this sample)

  
Dropped by
SHA256 a3ffef056a3d62d106749d489819683a30cf2db48b6e265f12dc3494e9538895
  
URLhaus
https://urlhaus.abuse.ch/url/3590932/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 11c4c756bf09e1d769f14b52337d15e7
  
URLhaus
https://urlhaus.abuse.ch/url/3600122/
  
URLhaus
https://urlhaus.abuse.ch/url/3586697/

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