MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7
SHA3-384 hash: 8858d5884a7de4ab65eec67d7de9b6e67483e9e2b13eeb4ccfd9c4a6fb44e20d1dccf34a7186fbf085f1b10206ac2fe7
SHA1 hash: 39363a11b62df9de1641a1fbccfa6f30f46f4262
MD5 hash: 31f4ecc41627e232da6616235a7dc066
humanhash: winter-angel-helium-magnesium
File name:morte.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:41'828 bytes
First seen:2025-11-25 06:20:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:8bwEMQ6CEw+0OfivjfFZlAGjoUi0MdM/XaZJ2LZcoYcs7UoiQnbcuyD7UHQRjR:8bZhGfib/lvi8qqLG/UnQnouy8Hy1
TLSH T15D13F15AF6EE2044E0AB90FDDDFC3E6AE049A00E425046A66D9635788027BDF3D48B71
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) :41'828 bytes
File size (de-compressed) :87'696 bytes
Format:linux/i386
Unpacked file: 3423b1b7d6789f725c58611804c147421581ea0946609b9c945020c3d8643b33

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Launching a process
Sends data to a server
Sets a written file as executable
Connection attempt
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:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-25T03:37:00Z UTC
Last seen:
2025-11-25T11:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/67f59cce-41ad-4dc6-aec6-8150d7b9bc28
Behavior Graph:
Download SVG
%3 guuid=d6bf08aa-1a00-0000-0edd-9608780b0000 pid=2936 /usr/bin/sudo guuid=277c1dad-1a00-0000-0edd-96087b0b0000 pid=2939 /tmp/sample.bin net guuid=d6bf08aa-1a00-0000-0edd-9608780b0000 pid=2936->guuid=277c1dad-1a00-0000-0edd-96087b0b0000 pid=2939 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=277c1dad-1a00-0000-0edd-96087b0b0000 pid=2939->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5156c6ad-1a00-0000-0edd-96087e0b0000 pid=2942 /tmp/sample.bin guuid=277c1dad-1a00-0000-0edd-96087b0b0000 pid=2939->guuid=5156c6ad-1a00-0000-0edd-96087e0b0000 pid=2942 clone guuid=f242d1ad-1a00-0000-0edd-96087f0b0000 pid=2943 /tmp/sample.bin write-config zombie guuid=5156c6ad-1a00-0000-0edd-96087e0b0000 pid=2942->guuid=f242d1ad-1a00-0000-0edd-96087f0b0000 pid=2943 clone guuid=f21c96b2-1a00-0000-0edd-96088d0b0000 pid=2957 /usr/bin/dash guuid=f242d1ad-1a00-0000-0edd-96087f0b0000 pid=2943->guuid=f21c96b2-1a00-0000-0edd-96088d0b0000 pid=2957 execve guuid=1a9b3bb5-1a00-0000-0edd-9608920b0000 pid=2962 /tmp/sample.bin net send-data zombie guuid=f242d1ad-1a00-0000-0edd-96087f0b0000 pid=2943->guuid=1a9b3bb5-1a00-0000-0edd-9608920b0000 pid=2962 clone guuid=b799c2b2-1a00-0000-0edd-96088f0b0000 pid=2959 /usr/bin/cp guuid=f21c96b2-1a00-0000-0edd-96088d0b0000 pid=2957->guuid=b799c2b2-1a00-0000-0edd-96088f0b0000 pid=2959 execve guuid=1a9b3bb5-1a00-0000-0edd-9608920b0000 pid=2962->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2925B 510217a1-1b11-5fd9-818c-c738850952cb 41.216.189.88:80 guuid=1a9b3bb5-1a00-0000-0edd-9608920b0000 pid=2962->510217a1-1b11-5fd9-818c-c738850952cb send: 2B guuid=64b943b5-1a00-0000-0edd-9608940b0000 pid=2964 /tmp/sample.bin guuid=1a9b3bb5-1a00-0000-0edd-9608920b0000 pid=2962->guuid=64b943b5-1a00-0000-0edd-9608940b0000 pid=2964 clone guuid=3fda4bb5-1a00-0000-0edd-9608950b0000 pid=2965 /tmp/sample.bin guuid=1a9b3bb5-1a00-0000-0edd-9608920b0000 pid=2962->guuid=3fda4bb5-1a00-0000-0edd-9608950b0000 pid=2965 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dbbb4bcc-a32f-4c9a-a473-c140f8fae2a1
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1820312
Signature
Drops files in suspicious directories
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 System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1820312 Sample: morte.i686.elf Startdate: 25/11/2025 Architecture: LINUX Score: 72 30 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->30 32 41.216.189.88, 57914, 57916, 57918 AS40676US South Africa 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Sample is packed with UPX 2->38 10 morte.i686.elf 2->10         started        signatures3 process4 process5 12 morte.i686.elf 10->12         started        process6 14 morte.i686.elf 12->14         started        file7 28 /etc/init.d/sysd, POSIX 14->28 dropped 40 Sample tries to set files in /etc globally writable 14->40 42 Drops files in suspicious directories 14->42 44 Sample tries to persist itself using System V runlevels 14->44 18 morte.i686.elf sh 14->18         started        20 morte.i686.elf 14->20         started        signatures8 process9 process10 22 sh cp 18->22         started        24 morte.i686.elf 20->24         started        26 morte.i686.elf 20->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-25 06:21:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=542vo5ohaa47duw6w4hkhng7pczzarzyqrwkuqq3xjpbpqycp3lq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/251125-g4fsgshp4t/
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
Mirai
Mirai family
Malware Config
C2 Extraction:
vcute69.bounceme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7a0069ac-bd79-496b-97d5-68287edda99e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7

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 ef355775c70039f1d2deb70ea3b4df78b3904738846caa421bba5e17c3027ed7

(this sample)

Mirai

elf 3423b1b7d6789f725c58611804c147421581ea0946609b9c945020c3d8643b33

  
URLhaus
https://urlhaus.abuse.ch/url/3716229/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3423b1b7d6789f725c58611804c147421581ea0946609b9c945020c3d8643b33
  
Dropping
MD5 87d6e01760e9a99080ea33bb2c28e232

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