MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa
SHA3-384 hash: 7053b2c21196845cc0b7928000c8b5940b24d346d0b3e6cbc6d5581b4d609358ced8834ae295ab195c278db82a12da2c
SHA1 hash: a67e85b58d9d0aac1e8e4232f1666dc9e3bdbeca
MD5 hash: ea78cb7f55c0b6789f7b3427abd51dc3
humanhash: december-kitten-juliet-blue
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:40'588 bytes
First seen:2025-07-11 06:59:23 UTC
Last seen:2025-07-12 05:11:15 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:KQy7AX1Oa7WxnmyepfQnhGox/jPeMc2sdvghhJr4bP9VgH7jEx0rCr:7y7PCcnIO5jvA4754D9VgMFr
TLSH T1AC03F16B506AA2FCF47646FD5C5B6785FF85740BA1864B2F0985F8BC6C2360C1F11B50
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 :
5
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Mirai-CBI.17264.22933.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6870b6a5c9eb9747376848e7linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Receives data from a server
Opens a port
Sets a written file as executable
DNS request
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Writes files to system directory
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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6870b69730bf73332337143c/reports/d1ea4ba9-481c-4f56-9706-732288751e58/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
131
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/73ff146e-9ee7-4629-8cd7-4a42dace24b5
Behavior Graph:
Download SVG
%3 guuid=3d355a3a-2100-0000-91be-dc2d980c0000 pid=3224 /usr/bin/sudo guuid=4c20c53c-2100-0000-91be-dc2d9f0c0000 pid=3231 /tmp/sample.bin mprotect-exec net guuid=3d355a3a-2100-0000-91be-dc2d980c0000 pid=3224->guuid=4c20c53c-2100-0000-91be-dc2d9f0c0000 pid=3231 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4c20c53c-2100-0000-91be-dc2d9f0c0000 pid=3231->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e7f1373d-2100-0000-91be-dc2da00c0000 pid=3232 /tmp/sample.bin zombie guuid=4c20c53c-2100-0000-91be-dc2d9f0c0000 pid=3231->guuid=e7f1373d-2100-0000-91be-dc2da00c0000 pid=3232 clone guuid=d80c433d-2100-0000-91be-dc2da10c0000 pid=3233 /tmp/sample.bin write-config zombie guuid=e7f1373d-2100-0000-91be-dc2da00c0000 pid=3232->guuid=d80c433d-2100-0000-91be-dc2da10c0000 pid=3233 clone guuid=ba63ed3d-2100-0000-91be-dc2da20c0000 pid=3234 /usr/bin/dash guuid=d80c433d-2100-0000-91be-dc2da10c0000 pid=3233->guuid=ba63ed3d-2100-0000-91be-dc2da20c0000 pid=3234 execve guuid=b69bf63e-2100-0000-91be-dc2da40c0000 pid=3236 /tmp/sample.bin delete-file dns net send-data guuid=d80c433d-2100-0000-91be-dc2da10c0000 pid=3233->guuid=b69bf63e-2100-0000-91be-dc2da40c0000 pid=3236 clone guuid=1907293e-2100-0000-91be-dc2da30c0000 pid=3235 /usr/bin/cp guuid=ba63ed3d-2100-0000-91be-dc2da20c0000 pid=3234->guuid=1907293e-2100-0000-91be-dc2da30c0000 pid=3235 execve guuid=b69bf63e-2100-0000-91be-dc2da40c0000 pid=3236->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 66B db1a8809-6dda-51f4-9007-a18c1a012ced abc.izumisv1.cc:12121 guuid=b69bf63e-2100-0000-91be-dc2da40c0000 pid=3236->db1a8809-6dda-51f4-9007-a18c1a012ced send: 24B
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6616e2e0-dfea-40fc-a6de-6765e89224e7
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1733603
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
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: 1733603 Sample: morte.x86_64.elf Startdate: 11/07/2025 Architecture: LINUX Score: 100 36 abc.izumisv1.cc 196.251.69.179, 12121, 54806 Web4AfricaZA Seychelles 2->36 38 109.202.202.202, 80 INIT7CH Switzerland 2->38 40 3 other IPs or domains 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Mirai 2->46 48 2 other signatures 2->48 10 morte.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 58 Found strings related to Crypto-Mining 10->58 17 morte.x86_64.elf 10->17         started        process6 process7 19 morte.x86_64.elf 17->19         started        file8 32 /etc/init.d/sysd, POSIX 19->32 dropped 50 Sample tries to set files in /etc globally writable 19->50 52 Drops files in suspicious directories 19->52 54 Sample tries to persist itself using System V runlevels 19->54 23 morte.x86_64.elf sh 19->23         started        25 morte.x86_64.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        56 Sample deletes itself 25->56 process12 file13 34 /usr/bin/.sh, ELF 28->34 dropped 60 Drops invisible ELF files 28->60 62 Drops files in suspicious directories 28->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 07:00:35 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=akzygtxgpg3wicw2baoycw3xdmnvdpp24y7tfcs5wtzlbpksu35a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250711-hstqmstqy3/
Behaviour
Reads runtime system information
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
Malware Config
C2 Extraction:
abc.izumisv1.cc
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9d6610b7-c01a-49e6-a795-d0c12b857ce7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 02b3834ee679b7640ada081d815b771b1b51bdfae63f328a5db4f2b0bd52a6fa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581152/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3581175/
  
URLhaus
https://urlhaus.abuse.ch/url/3581217/
  
URLhaus
https://urlhaus.abuse.ch/url/3581239/
  
URLhaus
https://urlhaus.abuse.ch/url/3574723/

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments