MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4
SHA3-384 hash: ade9a161c6bf7c866aa458b5b258ef3dc968a96cd19ba83cb85ae177d4c4f671b9d50e69df8821541fba09d7c03c8bee
SHA1 hash: 5d44a1104c5a9ee3cc5c290092c810bf9b8b3174
MD5 hash: 6e61764187bdd7436a7bfd0d5ea241a0
humanhash: whiskey-green-london-shade
File name:dlr.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:215'832 bytes
First seen:2026-07-28 03:57:14 UTC
Last seen:2026-07-28 04:42:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:N8RuKDj1WEdpFXNYJpWewgukKj/Ozac1ZEcWfvxSTZay:eRzj7vWPUV/OzB2vxSb
TLSH T14124230C2971E81BE8A74B30DB8FEF51AF68917BF7CC6454C2456BC05985CEA22D684F
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :215'832 bytes
File size (de-compressed) :651'188 bytes
Format:linux/mips
Unpacked file: 0c378757c482de97435dbb36057d3149a7cdb9f84b936816de3ceb7598d5178d

Intelligence

File Origin
# of uploads :
2
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/36e93674-5c78-47fd-935c-95a7de150329/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Creating a process from a recently created file
Sets a written file as executable
Runs as daemon
Deleting a recently created file
Creating a file in the %temp% directory
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a6828c72c91837e787f4b75/reports/bf2d8959-6e8c-4df2-a775-255839daf286/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
43
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Full report:
https://elfdigest.com/brief/ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/081a6a60-6177-43c9-8246-4228113cac07
Behavior Graph:
Download SVG
%3 guuid=418de318-1d00-0000-9dd5-a69321090000 pid=2337 /usr/bin/sudo guuid=02a8f01b-1d00-0000-9dd5-a69326090000 pid=2342 /tmp/sample.bin guuid=418de318-1d00-0000-9dd5-a69321090000 pid=2337->guuid=02a8f01b-1d00-0000-9dd5-a69326090000 pid=2342 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/607157ee-2af4-4b82-a0bc-23faf54f7bc3
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-07-27 14:59:08 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55l6soe24ea6bgxymhkrqbh2mzt5mqcm5arzdg465dk72lw6z2sa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260728-eh7b7sxeqg/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 ef57e9389ae101e09af861d51804fa6667d6404ce823919b9ee8d5fd2edecea4

(this sample)

Mirai

elf 0c378757c482de97435dbb36057d3149a7cdb9f84b936816de3ceb7598d5178d

  
URLhaus
https://urlhaus.abuse.ch/url/3892824/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0c378757c482de97435dbb36057d3149a7cdb9f84b936816de3ceb7598d5178d
  
Dropping
MD5 e92ff01e7ccbc373fe229d7636473f23

Comments