MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35
SHA3-384 hash: 3e7abd7fe470d3e18d4b3f84fcda48d4941eb9d62115d522cff4ef34111dac69666ff9bf28b4b4af06b6ae856c94cf9b
SHA1 hash: 5d2915b4ef744bd1e22b673305aa902ba52a6a0e
MD5 hash: c6be7cc8d1fdd2c49754057e73fabfda
humanhash: mexico-double-jupiter-michigan
File name:ecco.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:79'720 bytes
First seen:2025-12-05 19:03:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:PtbUVnN+t2iyuXcfklEnlTYFDzBGLHOsai930Tk0PO38fBX70hthVnouy8GyP:xl3XcslElTYFD4SW93pe0DboutL
TLSH T18373023197E52F06E23C58FA0DBD86064E217CF6307782DBDD48A43354D97B86A0F69A
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) :79'720 bytes
File size (de-compressed) :232'040 bytes
Format:linux/i386
Unpacked file: 36721ead9b62dd60028c7ad5f5f57c017110b4bdae6ba811d1b3e4cab6a07e84

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b3138979-5770-45b3-b393-0008e44743c7/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/69332cb4bc15eab491f582be/reports/2d6d59f5-4f7a-45ce-bd99-e182e340ac90/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-05T11:58:00Z UTC
Last seen:
2025-12-07T01:04:00Z UTC
Hits:
~100
Detections:
HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.DLink.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.cw HEUR:Exploit.Linux.Vacron.a HEUR:Exploit.Linux.Mvpower.a HEUR:Backdoor.Linux.Mirai.ii HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/624c246c-e672-4f24-b483-b15cf1bcdf0c
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1827625
Signature
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827625 Sample: ecco.i686.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 76 68.170.200.130 ZAYOB-NEUS United States 2->76 78 65.106.254.174 XO-AS15US United States 2->78 80 98 other IPs or domains 2->80 88 Suricata IDS alerts for network traffic 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Detected Mirai 2->92 94 5 other signatures 2->94 12 ecco.i686.elf 2->12         started        signatures3 process4 process5 14 ecco.i686.elf 12->14         started        process6 16 ecco.i686.elf 14->16         started        file7 68 /etc/init.d/sysd, POSIX 16->68 dropped 82 Sample tries to set files in /etc globally writable 16->82 84 Drops files in suspicious directories 16->84 86 Sample tries to persist itself using System V runlevels 16->86 20 ecco.i686.elf 16->20         started        22 ecco.i686.elf 16->22         started        25 ecco.i686.elf sh 16->25         started        signatures8 process9 file10 27 ecco.i686.elf 20->27         started        29 ecco.i686.elf sh 20->29         started        31 ecco.i686.elf 20->31         started        39 4 other processes 20->39 70 /usr/Bin), ELF 22->70 dropped 33 ecco.i686.elf 22->33         started        35 ecco.i686.elf sh 22->35         started        37 sh cp 25->37         started        process11 process12 55 722 other processes 27->55 41 sh crontab 29->41         started        45 sh 29->45         started        47 ecco.i686.elf 31->47         started        57 3 other processes 31->57 59 266 other processes 33->59 49 sh crontab 35->49         started        51 sh 35->51         started        53 ecco.i686.elf 39->53         started        file13 72 /var/spool/cron/crontabs/tmp.PDNa4x, ASCII 41->72 dropped 96 Sample tries to persist itself using cron 41->96 98 Executes the "crontab" command typically for achieving persistence 41->98 61 sh crontab 45->61         started        64 ecco.i686.elf 47->64         started        74 /var/spool/cron/crontabs/tmp.gKzIEV, ASCII 49->74 dropped 66 sh crontab 51->66         started        signatures14 process15 signatures16 100 Executes the "crontab" command typically for achieving persistence 61->100
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-05 17:54:31 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=y5pyzspystd75zluhjgiedrhphrqzt25oj23rlao2sf55jfkhu2q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/251205-xq3cbser8v/
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (351575) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft22.redirectme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7e386ecc-bf49-4e09-a56c-57e49000fcef
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: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: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 c75f8cc9f894c7fee5743a4c820e2779e30ccf5d7275b8ac0ed48bdea4aa3d35

(this sample)

Mirai

elf 36721ead9b62dd60028c7ad5f5f57c017110b4bdae6ba811d1b3e4cab6a07e84

  
URLhaus
https://urlhaus.abuse.ch/url/3725556/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 36721ead9b62dd60028c7ad5f5f57c017110b4bdae6ba811d1b3e4cab6a07e84
  
Dropping
MD5 b19393e445e758672c6f35406a902c15
  
URLhaus
https://urlhaus.abuse.ch/url/3727063/

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