MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ad836d660c035a9c7ac245e9f4ca7e97df95cbac4cb3c00b6a6333a2b0f264a. 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 3 File information Comments

SHA256 hash: 1ad836d660c035a9c7ac245e9f4ca7e97df95cbac4cb3c00b6a6333a2b0f264a
SHA3-384 hash: 9022e12bac0956b0bc8ce09f431d79df3bdaef30edff32956b346c812780147e70b79a0f1bdcc7215db6c88a09ed32ef
SHA1 hash: 600a5fa7cf3ec27343bd1d4a7b381f69550be03c
MD5 hash: 124a2542c250e9ad72f561ccb856113b
humanhash: california-mirror-fruit-fruit
File name:ecco.i686
Download: download sample
Signature Mirai
File size:77'028 bytes
First seen:2025-12-02 15:31:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:skmWaNqHYtt8vhFEZYVjXyVVKZ06Djafca7Lgt7sjCl6bdH5fD6do9nouy8Hyw:DmWBeWYOVjyVUy6DG9RX5fD6daoutf
TLSH T17873022B97AA6115C06135B41C0AF043E665CB231E7EFAC94B827907A941E38FB35EDD
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) :77'028 bytes
File size (de-compressed) :215'656 bytes
Format:linux/i386
Unpacked file: edd5c6f137d1bae351e8127f5f507698439d48005d429fb58b5a681c28bf5135

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-02T11:43:00Z UTC
Last seen:
2025-12-02T12:08:00Z UTC
Hits:
~10
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824582 Sample: ecco.i686.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 76 64.22.117.123 ZCOLO-ATL01US United States 2->76 78 185.217.27.166, 23 XTGLOBALRO Poland 2->78 80 98 other IPs or domains 2->80 82 Suricata IDS alerts for network traffic 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Detected Mirai 2->86 88 4 other signatures 2->88 12 ecco.i686.elf 2->12         started        signatures3 process4 process5 14 ecco.i686.elf 12->14         started        16 ecco.i686.elf 12->16         started        process6 18 ecco.i686.elf 14->18         started        file7 68 /etc/init.d/sysd, POSIX 18->68 dropped 90 Sample tries to set files in /etc globally writable 18->90 92 Drops files in suspicious directories 18->92 94 Sample tries to persist itself using System V runlevels 18->94 22 ecco.i686.elf 18->22         started        24 ecco.i686.elf 18->24         started        27 ecco.i686.elf sh 18->27         started        signatures8 process9 file10 29 ecco.i686.elf 22->29         started        31 ecco.i686.elf sh 22->31         started        33 ecco.i686.elf 22->33         started        41 5 other processes 22->41 70 /usr/Bin), ELF 24->70 dropped 35 ecco.i686.elf 24->35         started        37 ecco.i686.elf sh 24->37         started        39 sh cp 27->39         started        process11 process12 57 773 other processes 29->57 43 sh crontab 31->43         started        47 sh 31->47         started        49 ecco.i686.elf 33->49         started        51 ecco.i686.elf 33->51         started        59 3 other processes 33->59 61 214 other processes 35->61 53 sh crontab 37->53         started        55 sh 37->55         started        file13 72 /var/spool/cron/crontabs/tmp.bfkMlb, ASCII 43->72 dropped 96 Sample tries to persist itself using cron 43->96 98 Executes the "crontab" command typically for achieving persistence 43->98 63 sh crontab 47->63         started        74 /var/spool/cron/crontabs/tmp.DjjJXh, ASCII 53->74 dropped 66 sh crontab 55->66         started        signatures14 process15 signatures16 100 Executes the "crontab" command typically for achieving persistence 63->100
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-02 14:41:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation upx
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 (47593) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
draft21.redirectme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 1ad836d660c035a9c7ac245e9f4ca7e97df95cbac4cb3c00b6a6333a2b0f264a

(this sample)

  
Delivery method
Distributed via web download

Comments