MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6
SHA3-384 hash: 5e262d50fda8eaa34d3825bbdb17bf16907e6844d8eb8de45ce5d86af3d142fcff0f7fd9dee3e6d733afba894e1087bf
SHA1 hash: 1b7b3e9fb678b2fbca609e7cdeec00bd7dc61732
MD5 hash: 1686ea0b5376f7d85f559115ecd54df1
humanhash: four-victor-tennis-dakota
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:56'648 bytes
First seen:2025-10-28 04:26:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JGu22CDcdR2UNjR775bDp0qMir7HcNu6XOwnouy8tyN:JGu22CDcKUNjRn5aq17q7poutk
TLSH T1D443024747A489EAE25F933827CFEB4B9840552E93A4C96867C03C3A1CA4F4D7B9C1D9
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 :
51
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/69004608c85c5c56973849a5/reports/4009b493-b721-4a84-bda0-374d3b36fdca/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-28T01:35:00Z UTC
Last seen:
2025-10-28T07:13:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0d0622c2-3ef5-496f-8cfe-c9bb030e0197
Behavior Graph:
Download SVG
%3 guuid=66092017-1800-0000-b5f8-ea06f90c0000 pid=3321 /usr/bin/sudo guuid=8e410319-1800-0000-b5f8-ea06fd0c0000 pid=3325 /tmp/sample.bin net send-data guuid=66092017-1800-0000-b5f8-ea06f90c0000 pid=3321->guuid=8e410319-1800-0000-b5f8-ea06fd0c0000 pid=3325 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=8e410319-1800-0000-b5f8-ea06fd0c0000 pid=3325->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 690B 50f4a7af-3780-5248-b2cc-de15b6c8e346 mirailoversddos.duckdns.org:80 guuid=8e410319-1800-0000-b5f8-ea06fd0c0000 pid=3325->50f4a7af-3780-5248-b2cc-de15b6c8e346 send: 22B guuid=2f04b855-1800-0000-b5f8-ea06900d0000 pid=3472 /tmp/sample.bin dns net send-data guuid=8e410319-1800-0000-b5f8-ea06fd0c0000 pid=3325->guuid=2f04b855-1800-0000-b5f8-ea06900d0000 pid=3472 clone guuid=3c249382-1900-0000-b5f8-ea06de0f0000 pid=4062 /tmp/sample.bin guuid=8e410319-1800-0000-b5f8-ea06fd0c0000 pid=3325->guuid=3c249382-1900-0000-b5f8-ea06de0f0000 pid=4062 clone guuid=2f04b855-1800-0000-b5f8-ea06900d0000 pid=3472->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 45B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=2f04b855-1800-0000-b5f8-ea06900d0000 pid=3472->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 10B guuid=5287bd55-1800-0000-b5f8-ea06910d0000 pid=3473 /tmp/sample.bin guuid=2f04b855-1800-0000-b5f8-ea06900d0000 pid=3472->guuid=5287bd55-1800-0000-b5f8-ea06910d0000 pid=3473 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90e1dbba-76c6-4d5c-b6e2-9137be8f0d46
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1802886
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: 1802886 Sample: debug.elf Startdate: 28/10/2025 Architecture: LINUX Score: 64 18 mirailoversddos.duckdns.org 2->18 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 2 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Sample is packed with UPX 2->28 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 30 Uses dynamic DNS services 18->30 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-28 04:26:49 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xa5upe7guu5wgisykwprgyiuho4izbtr7gdr47y7slm2j5h6ep3a._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/251028-e2tv8asjdp/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/020a8f26-dabc-47f5-88f1-705f42a7d8b8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6

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: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 b83b4793e6a53b632258559f1361143bb88c8671f9871e7f1f92d9a4f4fe23f6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3684962/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3684963/

Comments