MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d98f7aaa9e2aa30f86d5f7c88bc2e895bee6adeebc6d87a904bd28e6f9e01810. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d98f7aaa9e2aa30f86d5f7c88bc2e895bee6adeebc6d87a904bd28e6f9e01810
SHA3-384 hash: 84e03b7ef5f417c4d93176b80c959fce76a71995201e5967571fbfd21314495c5448d8b551a235cfc45e02bd5516b7a4
SHA1 hash: 97464ee344f200aa3c3e7a11361f0c1aa4d1537d
MD5 hash: b7ece90a7375e47245e4d2b10e45eaee
humanhash: north-hamper-two-iowa
File name:top1miku.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:177'384 bytes
First seen:2025-07-19 12:26:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:RGm8wopFuMyScHfyuaqjxS0GLwb1m1o6eEuWUOxynVw6CkR6n:RYwoTySc/njx433xRhn
TLSH T1CC044903B8C084FDC899C4744BDFA576D872F46D5238B55F2788AF226E4DE302B6E690
telfhash t14d51bd742e96325830c7e35ab30eedaffd3209252dd0b4a49f2b7ac2de563490d51413
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 :
20
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
Kills processes
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/687b8f3112460d69545f67c9/reports/bc91f7e5-24e9-4cd8-b1f8-83660b909681/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/41c04b43-888f-430e-a850-a9b35e28f87b
Behavior Graph:
Download SVG
%3 guuid=9efe95b8-1700-0000-a5b0-b11792070000 pid=1938 /usr/bin/sudo guuid=ea626cba-1700-0000-a5b0-b11795070000 pid=1941 /tmp/sample.bin net guuid=9efe95b8-1700-0000-a5b0-b11792070000 pid=1938->guuid=ea626cba-1700-0000-a5b0-b11795070000 pid=1941 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ea626cba-1700-0000-a5b0-b11795070000 pid=1941->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b3598aba-1700-0000-a5b0-b11796070000 pid=1942 /tmp/sample.bin zombie guuid=ea626cba-1700-0000-a5b0-b11795070000 pid=1941->guuid=b3598aba-1700-0000-a5b0-b11796070000 pid=1942 clone guuid=1b9a95ba-1700-0000-a5b0-b11797070000 pid=1943 /tmp/sample.bin write-config zombie guuid=b3598aba-1700-0000-a5b0-b11796070000 pid=1942->guuid=1b9a95ba-1700-0000-a5b0-b11797070000 pid=1943 clone guuid=d06a27bb-1700-0000-a5b0-b11798070000 pid=1944 /usr/bin/dash guuid=1b9a95ba-1700-0000-a5b0-b11797070000 pid=1943->guuid=d06a27bb-1700-0000-a5b0-b11798070000 pid=1944 execve guuid=ff951ebc-1700-0000-a5b0-b1179a070000 pid=1946 /tmp/sample.bin delete-file zombie guuid=1b9a95ba-1700-0000-a5b0-b11797070000 pid=1943->guuid=ff951ebc-1700-0000-a5b0-b1179a070000 pid=1946 clone guuid=8ab553bb-1700-0000-a5b0-b11799070000 pid=1945 /usr/bin/cp guuid=d06a27bb-1700-0000-a5b0-b11798070000 pid=1944->guuid=8ab553bb-1700-0000-a5b0-b11799070000 pid=1945 execve guuid=4a5627bc-1700-0000-a5b0-b1179b070000 pid=1947 /tmp/sample.bin net net-scan send-data guuid=ff951ebc-1700-0000-a5b0-b1179a070000 pid=1946->guuid=4a5627bc-1700-0000-a5b0-b1179b070000 pid=1947 clone guuid=0ec02dbc-1700-0000-a5b0-b1179c070000 pid=1948 /tmp/sample.bin net net-scan send-data guuid=ff951ebc-1700-0000-a5b0-b1179a070000 pid=1946->guuid=0ec02dbc-1700-0000-a5b0-b1179c070000 pid=1948 clone guuid=4a5627bc-1700-0000-a5b0-b1179b070000 pid=1947->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4a5627bc-1700-0000-a5b0-b1179b070000 pid=1947|send-data send-data to 780 IP addresses review logs to see them all guuid=4a5627bc-1700-0000-a5b0-b1179b070000 pid=1947->guuid=4a5627bc-1700-0000-a5b0-b1179b070000 pid=1947|send-data send guuid=0ec02dbc-1700-0000-a5b0-b1179c070000 pid=1948->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0ec02dbc-1700-0000-a5b0-b1179c070000 pid=1948|send-data send-data to 2840 IP addresses review logs to see them all guuid=0ec02dbc-1700-0000-a5b0-b1179c070000 pid=1948->guuid=0ec02dbc-1700-0000-a5b0-b1179c070000 pid=1948|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14109390-feb4-4937-b54f-e3913611cb24
Result
Threat name:
Gafgyt, Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1740065
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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740065 Sample: top1miku.x86_64.elf Startdate: 19/07/2025 Architecture: LINUX Score: 100 64 197.221.56.213 xneeloZA South Africa 2->64 66 197.221.56.219 xneeloZA South Africa 2->66 68 98 other IPs or domains 2->68 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected Gafgyt 2->78 80 3 other signatures 2->80 10 top1miku.x86_64.elf 2->10         started        13 xfce4-session xfce4-panel 2->13         started        15 xfce4-session xfce4-panel 2->15         started        17 14 other processes 2->17 signatures3 process4 signatures5 88 Found strings related to Crypto-Mining 10->88 19 top1miku.x86_64.elf 10->19         started        21 xfce4-panel 13->21         started        23 xfce4-panel 13->23         started        25 xfce4-panel 13->25         started        33 19 other processes 13->33 27 xfce4-panel wrapper-2.0 15->27         started        29 xfce4-panel wrapper-2.0 15->29         started        31 xfce4-panel wrapper-2.0 15->31         started        35 3 other processes 15->35 90 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->90 process6 process7 37 top1miku.x86_64.elf 19->37         started        41 wrapper-2.0 xfpm-power-backlight-helper 27->41         started        file8 62 /etc/init.d/sysd, POSIX 37->62 dropped 82 Sample tries to set files in /etc globally writable 37->82 84 Drops files in suspicious directories 37->84 86 Sample tries to persist itself using System V runlevels 37->86 43 top1miku.x86_64.elf sh 37->43         started        45 top1miku.x86_64.elf 37->45         started        signatures9 process10 signatures11 48 sh cp 43->48         started        92 Sample tries to kill multiple processes (SIGKILL) 45->92 94 Sample deletes itself 45->94 52 top1miku.x86_64.elf sh 45->52         started        54 top1miku.x86_64.elf sh 45->54         started        56 top1miku.x86_64.elf sh 45->56         started        58 5 other processes 45->58 process12 file13 60 /usr/bin/.sh, ELF 48->60 dropped 70 Drops invisible ELF files 48->70 72 Drops files in suspicious directories 48->72 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d98f7aaa9e2aa30f86d5f7c88bc2e895bee6adeebc6d87a904bd28e6f9e01810
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d98f7aaa9e2aa30f86d5f7c88bc2e895bee6adeebc6d87a904bd28e6f9e01810/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-19 12:27:26 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 22 (81.82%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ghxvku6fkrq7bwv67eixqxisw7onlpoxrwypkiexuuon6padaia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery linux persistence
Link:
https://tria.ge/reports/250719-pmywqsv1bx/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
File and Directory Permissions Modification
Deletes itself
Contacts a large (733363) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
top1miku.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/7a00d899-285f-4ae1-8799-30e21cfb3036
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/d98f7aaa9e2aa30f86d5f7c88bc2e895bee6adeebc6d87a904bd28e6f9e01810

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_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
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

Mirai

elf d98f7aaa9e2aa30f86d5f7c88bc2e895bee6adeebc6d87a904bd28e6f9e01810

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581127/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments