MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964
SHA3-384 hash: 377a7e61614b55a4a220003b6646e3e412b2fdeb300dd82843cc5f9ca00a62fd0e3681830510ae0185dec12012688443
SHA1 hash: ea53524c22e19ac00729ed87748c9b6e1da66198
MD5 hash: 5d20761bfcf1a6034e1e7899953ec808
humanhash: twelve-low-batman-foxtrot
File name:data.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:897'896 bytes
First seen:2026-04-04 07:25:16 UTC
Last seen:2026-04-09 06:42:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:9MnLr4skk55qE8seHaitT3LmurlWIJHFhv:unX4skkTGztOqTJH7v
TLSH T1A7156C5BB2A374BDC017C43443ABDAB2A935B43902226E7B65C4D7303E27E741B19B67
telfhash t10ac189714bfa60b0a2dbd911f322f1b599331c2725ed36b066267988ef85f810d77823
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Linux.Mirai-31.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10059787-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sends data to a server
Changes owner for a written file
Creating a file in the %temp% directory
Receives data from a server
Creating a file
Changes access rights for a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Clean
File Type:
elf.64.le
Link:
https://opentip.kaspersky.com/efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3c8bfa35-d002-4f02-8536-990480bb3214
Behavior Graph:
Download SVG
%3 guuid=5f16d666-1b00-0000-2a3b-1594df0a0000 pid=2783 /usr/bin/sudo guuid=20e4fc68-1b00-0000-2a3b-1594e40a0000 pid=2788 /tmp/sample.bin net guuid=5f16d666-1b00-0000-2a3b-1594df0a0000 pid=2783->guuid=20e4fc68-1b00-0000-2a3b-1594e40a0000 pid=2788 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=20e4fc68-1b00-0000-2a3b-1594e40a0000 pid=2788->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9edc2e69-1b00-0000-2a3b-1594e60a0000 pid=2790 /tmp/sample.bin zombie guuid=20e4fc68-1b00-0000-2a3b-1594e40a0000 pid=2788->guuid=9edc2e69-1b00-0000-2a3b-1594e60a0000 pid=2790 clone guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791 /tmp/sample.bin net send-data write-file zombie guuid=9edc2e69-1b00-0000-2a3b-1594e60a0000 pid=2790->guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791 clone guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 35B 79330709-4ba7-5769-b683-21ef3c41191a 45.131.65.74:8082 guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->79330709-4ba7-5769-b683-21ef3c41191a send: 14B b4bf20d4-f7c8-5c24-8830-c23364537aa4 8.8.4.4:53 guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->b4bf20d4-f7c8-5c24-8830-c23364537aa4 send: 35B 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->54d92a3b-1447-55af-b534-047898c60c8d send: 35B guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2793 /tmp/sample.bin send-data zombie guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2793 clone guuid=13a38a69-1b00-0000-2a3b-1594ea0a0000 pid=2794 /tmp/sample.bin net write-file guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->guuid=13a38a69-1b00-0000-2a3b-1594ea0a0000 pid=2794 clone guuid=47a19369-1b00-0000-2a3b-1594eb0a0000 pid=2795 /tmp/sample.bin delete-file net send-data guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2791->guuid=47a19369-1b00-0000-2a3b-1594eb0a0000 pid=2795 clone guuid=33cf5069-1b00-0000-2a3b-1594e70a0000 pid=2793->79330709-4ba7-5769-b683-21ef3c41191a send: 5385B a15c7036-706e-5ee9-888f-734cbb9e72e7 127.0.0.1:30565 guuid=13a38a69-1b00-0000-2a3b-1594ea0a0000 pid=2794->a15c7036-706e-5ee9-888f-734cbb9e72e7 con guuid=47a19369-1b00-0000-2a3b-1594eb0a0000 pid=2795->a15c7036-706e-5ee9-888f-734cbb9e72e7 send: 5477B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ea121ba4-687f-4afe-b2a2-4b3d2ad3ba78
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-04-04 07:25:47 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57c3xt2je4n4tqbzfldzsjeyj5za3uucw75eina5fprgyik25fsa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery linux
Link:
https://tria.ge/reports/260404-h8391sfy6p/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
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/efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf efc5bbcf49271bc9c0392ac79924984f720dd282b7fa44341d2be26c215ae964

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3809745/
  
Delivery method
Distributed via web download

Comments