MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33
SHA3-384 hash: 43af745e91445bb0aae56ce79d0d5244f352fc6d21ef5141db3842143d7f1f220ed2f6de4eede6345fd22d07d9de54d7
SHA1 hash: ccd3b144f8f1d6b868889c95bc26fdfec4d37bb0
MD5 hash: 52848216654993a7b5c8c28a80560963
humanhash: leopard-alabama-violet-winner
File name:db0fa4b8db0333367e9bda3ab68b8042.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:74'608 bytes
First seen:2025-10-29 15:23:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:7uIm+0TsWfcFSE0ULO3+tkIALtfMJfrb14X302SkmM/:SIh0Tsyc8E0ULOOeIaQf14nHp
TLSH T10A735CC4B993D8F4DC144A31317BFF3196B6E13E6129EB86E3A8A676AD42501E00735E
telfhash t16b2106f90a3519ecf7e48840834e27521a6ea77b5920326305724a3432aed87647fd7d
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3
File size (compressed) :33'280 bytes
File size (de-compressed) :74'608 bytes
Format:linux/i386
Packed file: c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated threat
Link:
https://www.filescan.io/uploads/69024a3fa3d16310951fb3f8/reports/d9a5dedd-257e-422d-b79f-2e1e56a3565c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-22T14:05:00Z UTC
Last seen:
2025-10-30T00:54:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58ecefbd-992e-4ee4-b46e-0fadaf238720
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1804674
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 19:04:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=njo7t7hyvljmvtn4ysdkumkt7kjrbg5cp3f34xtllnvsmgg5puzq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-vn9bra1rbw/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (197377) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.9257.org
bot.9257.org
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 elf_mirai_auto
Link:
https://app.threat.zone/submission/546405c3-d9fd-49bc-92c8-6b6a91d222fa
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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_mirai_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3

Mirai

elf 6a5df9fcf8aad2cacdbcc486aa3153fa93109ba27ecbbe5e6b5b6b2618dd7d33

(this sample)

  
Dropped by
SHA256 c73b187735d4feb5701c40b63b4b5ad81b8f3885a14eef9259d59de6715611a3
  
URLhaus
https://urlhaus.abuse.ch/url/3598079/
  
Delivery method
Distributed via web download

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