MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171. 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: 6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171
SHA3-384 hash: 1414d5ec593d81a9d766e9e972d6decd3d58204c46e04f0184a5520b79db1a0cfb6d1b11a58af42e651eb5a660e07cfc
SHA1 hash: d23361169b2ddd6531f882df363f3f1d0ce60b46
MD5 hash: 01616a68be9d3d0aa9a875c22afe9cb5
humanhash: ink-mike-sad-winter
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:47'000 bytes
First seen:2025-08-14 08:59:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:drQEHMZcyPsZGBuhn96inSdcV+bSFltTNGw34xSAusZj6Ta2fN0kwgQelnbcuyDF:gZcckGuhnQMyctltTtoIksvE+nouy8H4
TLSH T1AB23F10EE34ADEABD87E51B8508F7A100D10503F2B2ADB5178DC91862EACFFE3A1C515
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) :47'000 bytes
File size (de-compressed) :103'700 bytes
Format:linux/i386
Unpacked file: 3bb9e997971fe389bcc79013fdee8225c033286b7412cb1387e836fda3bdb123

Intelligence

File Origin
# of uploads :
1
# of downloads :
28
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
Changes access rights for a file
Receives data from a server
Connection attempt
DNS request
Changes access rights for a written file
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a3bf78c-6ba1-42dc-bd9a-092e98217211
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1756653
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1756653 Sample: debug.elf Startdate: 14/08/2025 Architecture: LINUX Score: 72 18 s3ov8.ddns.net 2->18 20 s3ov8.ddns.net 5.180.82.94, 12121, 37094, 37114 ASDETUKhttpwwwheficedcomGB Latvia 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 Yara detected Mirai 2->28 30 Sample is packed with UPX 2->30 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 32 Uses dynamic DNS services 18->32 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/6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 09:00:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nomqi2rq7ovzsxkkjt3fxtm2fplllqtxqgwpzooy6ii7o34eufyq._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/250814-kys3eadq2x/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
s3ov8.ddns.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fe063dbe-c1b2-4c03-a183-18bc6ba6126b
Please note that we are no longer able to provide a coverage score for Virus Total.

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 6b99046a30fbab995d4a4cf65bcd9a2bd6b5c27781acfcb9d8f211f76f84a171

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3601841/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3601668/

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