MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7. 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


Gafgyt


Vendor detections: 11


Intelligence 11 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7
SHA3-384 hash: bd8550f237ca170556d5c18fb5792da78fd2d7b32a1495b9d0bd52d4fe5ad0345ad0cc3c77601e8da878e1deda1422a7
SHA1 hash: a680377458c0eb2afd03b1b9d2f1fa47373909ae
MD5 hash: 9e35d5c0b324607a1b8f4247cd3e97a4
humanhash: aspen-enemy-social-kilo
File name:top1miku.i686
Download: download sample
Signature Gafgyt
Create hunting rule
File size:127'400 bytes
First seen:2025-07-26 18:04:46 UTC
Last seen:2025-07-26 19:19:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:7z76tpmx/z5Fi5GlYD4JBgiyl0Y/iWf63zNFJPxEg/6XGwa+22sNA:L6+x/z5FigIBd7C3zNFJ7N
TLSH T1BAC34B80BA47C0F6D41348706027B73FDB32D5399037C69AEF999E35DA37A42461B39A
telfhash t1f15136fa667a0ceca7d09802d24a5f65be0da67b347477ba01f35834333b94050bac39
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Launching a process
Connection attempt
Substitutes an application name
Writes files to system directory
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6885190117928df64942f3c6/reports/073487ef-957e-4ddd-95a9-1bb7007d4877/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
196.251.73.115/HBTs
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c0350609-9feb-4b02-acc1-206f709a7dc4
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1744741
Signature
Connects to many ports of the same IP (likely port scanning)
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 tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses dynamic DNS services
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744741 Sample: top1miku.i686.elf Startdate: 26/07/2025 Architecture: LINUX Score: 100 40 top1miku.duckdns.org 2->40 42 45.89.137.19 ZARINPALIR Iran (ISLAMIC Republic Of) 2->42 44 99 other IPs or domains 2->44 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected Mirai 2->56 60 2 other signatures 2->60 10 top1miku.i686.elf 2->10         started        signatures3 58 Uses dynamic DNS services 40->58 process4 signatures5 68 Found strings related to Crypto-Mining 10->68 13 top1miku.i686.elf 10->13         started        process6 process7 15 top1miku.i686.elf 13->15         started        file8 38 /etc/init.d/sysd, POSIX 15->38 dropped 46 Sample tries to set files in /etc globally writable 15->46 48 Drops files in suspicious directories 15->48 50 Sample tries to persist itself using System V runlevels 15->50 19 top1miku.i686.elf sh 15->19         started        21 top1miku.i686.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        62 Sample deletes itself 21->62 28 top1miku.i686.elf sh 21->28         started        30 top1miku.i686.elf sh 21->30         started        32 top1miku.i686.elf sh 21->32         started        34 19 other processes 21->34 process12 file13 36 /usr/bin/.sh, ELF 24->36 dropped 64 Drops invisible ELF files 24->64 66 Drops files in suspicious directories 24->66 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-25 23:18:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3765byku6u5adto47urkb7zxkt4yypsu45axixngmj4lunb33lq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux persistence rootkit
Link:
https://tria.ge/reports/250726-wphe4asscv/
Behaviour
Reads runtime system information
Write file to user bin folder
Loads a kernel module
Contacts a large (479348) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_3278f1b8 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/24f54b2f-d446-4170-9072-270e3d6883e1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3278f1b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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

Gafgyt

elf 4effee870aa7a9d00e6ee7e91507f9baa7cc61f2a73a0ba2ed3313c5d1a1ded7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3590421/
  
Delivery method
Distributed via web download

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