MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5
SHA3-384 hash: a097833e16138510b065962da0709a3e045f4ddbde1c4d223b80dbd48f2bad5dbb50e8a45aadecf97895ccd30056d3de
SHA1 hash: 95234961a932105c879a75f21fc864bb49132422
MD5 hash: 27e1228377caba82fd156787820b45ba
humanhash: zulu-massachusetts-butter-jig
File name:ecco.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:76'564 bytes
First seen:2025-12-04 21:17:22 UTC
Last seen:2025-12-05 04:25:49 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:dHvaBVZ2O8rz0wU4w9RA14mLcQ32xS+H/oL6gGnPM1MRx81PJI7yRnouy8tyb:FvaBmz0b4BLWS+HMePQs81PeSoutm
TLSH T1BF73122387E153FAC4AEC17FE0EB6E9AC01123089A5DE8ADED4171446DDCF56D248DC2
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) :76'564 bytes
File size (de-compressed) :212'232 bytes
Format:linux/i386
Unpacked file: bed85d14ef5d06d114ccb164443e41d7a22c05341f6bc8e0604193d6fa6396a9

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dbb9a1f3-c26b-407b-bfcc-b932ea044c3d/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T17:33:00Z UTC
Last seen:
2025-12-04T20:28:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f742c37-8bbd-419a-bfea-782f1986f8c3
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1826835
Signature
Connects to many ports of the same IP (likely port scanning)
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
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826835 Sample: ecco.x86.elf Startdate: 04/12/2025 Architecture: LINUX Score: 100 76 209.228.35.91 WINDSTREAMUS United States 2->76 78 209.231.125.166 WINDSTREAMUS 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.x86.elf 2->12         started        signatures3 process4 process5 14 ecco.x86.elf 12->14         started        process6 16 ecco.x86.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.x86.elf 16->20         started        22 ecco.x86.elf 16->22         started        25 ecco.x86.elf sh 16->25         started        signatures8 process9 file10 27 ecco.x86.elf 20->27         started        29 ecco.x86.elf sh 20->29         started        31 ecco.x86.elf 20->31         started        39 4 other processes 20->39 70 /usr/Bin), ELF 22->70 dropped 33 ecco.x86.elf 22->33         started        35 ecco.x86.elf sh 22->35         started        37 sh cp 25->37         started        process11 process12 55 765 other processes 27->55 41 sh crontab 29->41         started        45 sh 29->45         started        47 ecco.x86.elf 31->47         started        57 3 other processes 31->57 59 223 other processes 33->59 49 sh crontab 35->49         started        51 sh 35->51         started        53 ecco.x86.elf 39->53         started        file13 72 /var/spool/cron/crontabs/tmp.WMsb1C, 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.x86.elf 47->64         started        74 /var/spool/cron/crontabs/tmp.nxbISU, 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/dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 21:18:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3o24vjpu5wmh6myc6jnul23j3ge6gx4yk2b6laegwg3mkjefpl2q._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/251204-z5qcestqat/
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 (327220) 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/98678e99-42cf-4556-84f7-db6757dee5cf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

sh ec15a07b61e50dc800ed79dd2179de5d3615587316ca8b20e0b4b261a361a8e4

Mirai

elf dbb5caa5f4ed987f3302f25b45eb69d989e35f985683e58086b1b6c524857af5

(this sample)

Mirai

elf bed85d14ef5d06d114ccb164443e41d7a22c05341f6bc8e0604193d6fa6396a9

  
URLhaus
https://urlhaus.abuse.ch/url/3725550/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 bed85d14ef5d06d114ccb164443e41d7a22c05341f6bc8e0604193d6fa6396a9
  
Dropping
MD5 a26c3914aee9644c68a310283c51d4aa
  
Dropped by
SHA256 ec15a07b61e50dc800ed79dd2179de5d3615587316ca8b20e0b4b261a361a8e4
  
Dropped by
MD5 773672cf2f1ab9a093f1bd1e9e2a3186
  
URLhaus
https://urlhaus.abuse.ch/url/3725189/
  
URLhaus
https://urlhaus.abuse.ch/url/3727052/

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