MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b. 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: 64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b
SHA3-384 hash: 4d50645e39b3a342050900445a3e25568712b80e1c56e6ab701625c64deaaac1abb42127ba0db4e1d6676ed6cd2c5ede
SHA1 hash: d5b6d9376af49b824931c618a5ba817001452dfe
MD5 hash: e648d23b2ddd858b8058db03c084aa7d
humanhash: ceiling-oven-rugby-twelve
File name:jklarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:104'456 bytes
First seen:2025-12-21 09:37:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:DWUnfQRo1K40gZvN+b9PtAJSy3M337Mm4RvTl:DWCfQRzgZV+RPtAJSy8337h4
TLSH T152A30886BC819B22C5D562BEFE1E518D331317B8E3EE7202DD146B25778A92B0F7B501
telfhash t107d0c2f6cea9868da7e4988092cc5742177cb603ba0930834b6a4a0d0051592341940a
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/6947c0053f8fdbf8e94d7618/reports/bef55674-13c2-4f57-b414-b0fddeae11a1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T06:39:00Z UTC
Last seen:
2025-12-21T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Gafgyt.go
Link:
https://opentip.kaspersky.com/64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/58533ce7-9db2-4679-80a2-e5a8f980f5e9
Behavior Graph:
Download SVG
%3 guuid=1f765f2f-1900-0000-ffcf-ec1fdf0b0000 pid=3039 /usr/bin/sudo guuid=9d165831-1900-0000-ffcf-ec1fe50b0000 pid=3045 /tmp/sample.bin guuid=1f765f2f-1900-0000-ffcf-ec1fdf0b0000 pid=3039->guuid=9d165831-1900-0000-ffcf-ec1fe50b0000 pid=3045 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58415ba9-6b81-4294-ab0f-0cea36f36343
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1836965
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836965 Sample: jklarm7.elf Startdate: 21/12/2025 Architecture: LINUX Score: 52 18 186.136.123.95 TelecomArgentinaSAAR Argentina 2->18 20 186.136.147.50 TelecomArgentinaSAAR Argentina 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Connects to many IPs within the same subnet mask (likely port scanning) 2->26 8 jklarm7.elf 2->8         started        signatures3 process4 process5 10 jklarm7.elf 8->10         started        process6 12 jklarm7.elf 10->12         started        14 jklarm7.elf 10->14         started        16 jklarm7.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-21 09:35:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mt6kwv6ipd4qt3f67wytxrrmm3nrnjfq5bmpoi4ejjyadgurhvvq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251221-ll8g1aax8h/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Renames itself
Contacts a large (62558) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/60cce391-5861-48ae-81c8-0a784bf9b5c7
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/64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b

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_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 64fcab57c878f909ecbefdb13bc62c66db16a4b0e858f723844a70019a913d6b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3738855/
  
Delivery method
Distributed via web download

Comments