MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43
SHA3-384 hash: 11aa70cb612808cab2bce7feea7158bf999ec9cd74ba9e82fac94222f7b2160b0a542358dbdecfe5503c9cc03839c546
SHA1 hash: 7b4cc0781d74c27a2f037e69981ed61d969437d1
MD5 hash: 592d8a08282fda77f3023b0cfd2a01aa
humanhash: mobile-queen-spaghetti-charlie
File name:top1miku.sh4
Download: download sample
Signature Gafgyt
Create hunting rule
File size:150'788 bytes
First seen:2025-07-26 18:04:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:aIykLtB59qNZTG/qdR3wKEHTbWn/7dptA4:at6B5ETG/qdJezKnxfA4
TLSH T105E38D62C83A6EA8C564C5B0B531AFB967939911844B1FFE64A7C3758043DCDF6063F8
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 :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6885190417928df64942f3c8/reports/0acd1fd9-ae3d-4cc3-92ea-e284aecf7e23/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5d65182a-6e88-4d48-ac12-8024e47193c5
Behavior Graph:
Download SVG
%3 guuid=7761fd2a-1800-0000-a36d-1ac9e3080000 pid=2275 /usr/bin/sudo guuid=d71c022d-1800-0000-a36d-1ac9e9080000 pid=2281 /tmp/sample.bin guuid=7761fd2a-1800-0000-a36d-1ac9e3080000 pid=2275->guuid=d71c022d-1800-0000-a36d-1ac9e9080000 pid=2281 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0f39ad39-a89f-4914-a6a0-57c75d180192
Result
Threat name:
Gafgyt, Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1744738
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
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
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744738 Sample: top1miku.sh4.elf Startdate: 26/07/2025 Architecture: LINUX Score: 100 46 top1miku.duckdns.org 2->46 48 197.221.56.216 xneeloZA South Africa 2->48 50 99 other IPs or domains 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected Gafgyt 2->54 56 Yara detected Mirai 2->56 60 3 other signatures 2->60 10 dash rm top1miku.sh4.elf 2->10         started        13 dash rm 2->13         started        15 dash cut 2->15         started        17 7 other processes 2->17 signatures3 58 Uses dynamic DNS services 46->58 process4 signatures5 68 Found strings related to Crypto-Mining 10->68 19 top1miku.sh4.elf 10->19         started        process6 process7 21 top1miku.sh4.elf 19->21         started        file8 42 /etc/init.d/sysd, POSIX 21->42 dropped 62 Sample tries to set files in /etc globally writable 21->62 64 Drops files in suspicious directories 21->64 66 Sample tries to persist itself using System V runlevels 21->66 25 top1miku.sh4.elf sh 21->25         started        27 top1miku.sh4.elf 21->27         started        signatures9 process10 signatures11 30 sh cp 25->30         started        70 Sample deletes itself 27->70 34 top1miku.sh4.elf sh 27->34         started        36 top1miku.sh4.elf sh 27->36         started        38 top1miku.sh4.elf sh 27->38         started        40 13 other processes 27->40 process12 file13 44 /usr/bin/.sh, ELF 30->44 dropped 72 Drops invisible ELF files 30->72 74 Drops files in suspicious directories 30->74 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-25 19:07:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 35 (45.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jyymemqruzb7kk32kcoi7fuxuxjljcup5bgqefa3dpqc5zbanrbq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250726-wphe4abj3w/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/b1b31987-2013-4242-a1cf-09aaeb439854
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 4e30c23211a643f52b7a509c8f9697a5d2b48a8fe84d02141b1be02ee4206c43

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3590427/
  
Delivery method
Distributed via web download

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