MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c
SHA3-384 hash: cb2986c77365e34cda1b458b2e939e830adaf2c475da9461bc88bd7f3092e96265cb2d7489605b38eba48e2b1e7eddcf
SHA1 hash: 466d19df0681a392c502ea5b5e3596d45c8e199a
MD5 hash: 0ab8d2086791b63fc1ebbaf370c4eb83
humanhash: texas-eleven-tennis-august
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:37'804 bytes
First seen:2025-09-19 20:13:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:9d4FyjHdwyVT0XZWA1GR//UgRFDKI0QMr0cnbcuyD7UHQRjFB:n6aVT5V//j/Dud0cnouy8HypB
TLSH T17803F1CEDC8BDB49FE59273628A6E5D50950A72E439126E3C9990B2F406D2373F143CB
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 :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
DNS request
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Link:
https://www.filescan.io/uploads/68cdbc3773af424b47e7fdfe/reports/8dfc98aa-9545-43db-83e6-3120bbd71080/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-19T17:38:00Z UTC
Last seen:
2025-09-19T17:38:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e0518cb0-c438-41bb-afd3-8f9f675957dc
Behavior Graph:
Download SVG
%3 guuid=132ea311-1b00-0000-bd00-df53a70c0000 pid=3239 /usr/bin/sudo guuid=6ead7714-1b00-0000-bd00-df53a80c0000 pid=3240 /tmp/sample.bin net guuid=132ea311-1b00-0000-bd00-df53a70c0000 pid=3239->guuid=6ead7714-1b00-0000-bd00-df53a80c0000 pid=3240 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6ead7714-1b00-0000-bd00-df53a80c0000 pid=3240->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0aa65915-1b00-0000-bd00-df53a90c0000 pid=3241 /tmp/sample.bin guuid=6ead7714-1b00-0000-bd00-df53a80c0000 pid=3240->guuid=0aa65915-1b00-0000-bd00-df53a90c0000 pid=3241 clone guuid=96ff4a42-1c00-0000-bd00-df53590f0000 pid=3929 /tmp/sample.bin guuid=6ead7714-1b00-0000-bd00-df53a80c0000 pid=3240->guuid=96ff4a42-1c00-0000-bd00-df53590f0000 pid=3929 clone guuid=0cff5942-1c00-0000-bd00-df535a0f0000 pid=3930 /tmp/sample.bin net send-data zombie guuid=6ead7714-1b00-0000-bd00-df53a80c0000 pid=3240->guuid=0cff5942-1c00-0000-bd00-df535a0f0000 pid=3930 clone guuid=e6676315-1b00-0000-bd00-df53ab0c0000 pid=3243 /tmp/sample.bin guuid=0aa65915-1b00-0000-bd00-df53a90c0000 pid=3241->guuid=e6676315-1b00-0000-bd00-df53ab0c0000 pid=3243 clone guuid=b4256715-1b00-0000-bd00-df53ac0c0000 pid=3244 /tmp/sample.bin dns net send-data zombie guuid=0aa65915-1b00-0000-bd00-df53a90c0000 pid=3241->guuid=b4256715-1b00-0000-bd00-df53ac0c0000 pid=3244 clone guuid=b4256715-1b00-0000-bd00-df53ac0c0000 pid=3244->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 216B a1a7e44c-f53d-520b-b2c8-ccb9907e473c uraniumc2.ddns.net:12121 guuid=b4256715-1b00-0000-bd00-df53ac0c0000 pid=3244->a1a7e44c-f53d-520b-b2c8-ccb9907e473c send: 4B guuid=0cff5942-1c00-0000-bd00-df535a0f0000 pid=3930->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 180B b2255150-2060-5b7f-9786-12d5e647a020 84.201.5.31:12121 guuid=0cff5942-1c00-0000-bd00-df535a0f0000 pid=3930->b2255150-2060-5b7f-9786-12d5e647a020 send: 10B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58801f66-2f4d-40a4-81fd-c4870ba00934
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1780996
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1780996 Sample: morte.x86.elf Startdate: 19/09/2025 Architecture: LINUX Score: 64 22 uraniumc2.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 5 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 morte.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 morte.x86.elf 8->12         started        14 morte.x86.elf 8->14         started        16 morte.x86.elf 8->16         started        process6 18 morte.x86.elf 12->18         started        20 morte.x86.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-19 20:32:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wor2rp2fs2ozidwun3r4r5p7vbasvfcigqghmjnt6l6s6jxsoy6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/250919-y6w1xsgn6z/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9ece0709-b580-477f-abbf-7e80fe394902
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c

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: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

sh 64539e9cdf7fa3839c46fdd580d8131f48ccc3c7f7a7599fa6af6c3b9576522b

Mirai

elf b3a3a8bf45969d940ed46ee3c8f5ffa8412a9448340c7625b3f2fd2f26f2763c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3627280/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3627281/
  
Dropped by
SHA256 64539e9cdf7fa3839c46fdd580d8131f48ccc3c7f7a7599fa6af6c3b9576522b
  
Dropped by
MD5 2a6843ee6f5d74c4d30a17248fd30725
  
URLhaus
https://urlhaus.abuse.ch/url/3627278/
  
URLhaus
https://urlhaus.abuse.ch/url/3627282/

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