MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e. 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

Kaiji

Vendor detections: 11

Intelligence 11 IOCs YARA 12 File information Comments 1

SHA256 hash:	8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e
SHA3-384 hash:	bcdc91ed512f81a4c735adc93b7f121529efc9d0735c8b5e98c3bcc17029f63c7f7419fa7dc87212a5005a59ece0387c
SHA1 hash:	ddaa889e49897d1aaed0896d21ce66fc80b11ff5
MD5 hash:	13888354bd58a58d99e8394c973ca7a8
humanhash:	stream-september-oregon-fix
File name:	13888354bd58a58d99e8394c973ca7a8
Download:	download sample
Signature	Kaiji Create hunting rule
File size:	2'031'616 bytes
First seen:	2024-11-02 02:53:34 UTC
Last seen:	2024-11-12 02:05:28 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	24576:/wRmgu8dG9qDQtfTBmW0NREmCNPCo98U4TprOEa6QWgrz1v:/euCG9qE5BS4AUrz1
TLSH	T1E3955B85BC9DA912E9C97EB56F2502D07225FC4D9F81C7177A00BBAE6DF23588F21360
gimphash	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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	zbetcheckin
Tags:	elf kaiji

Intelligence

File Origin

# of uploads :

# of downloads :

101

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=672594558d23d9049132a39elinux22vpnfull_triage

Tags:

malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Mounts file systems

Changes the time when the file was created, accessed, or modified

Sets a written file as executable

Creates directories in a system directory

Connection attempt

Receives data from a server

Launching a process

Locks files

Sends data to a server

Manages services

Creating a file

Runs as daemon

Creating a process from a recently created file

Writes files to system subdirectory

Replaces system binary files

Creates or modifies files in /cron to set up autorun

Writes files to system directory

Creates or modifies files to set up autorun

Creates or modifies files in /init.d to set up autorun

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug golang obfuscated rijndael

Link:

https://www.filescan.io/uploads/6725944d7e66a595d0784276/reports/539faed2-95ae-4d22-9b30-5f46fac5fd69/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/40537426-2cac-4631-ac8f-6328175bfc87

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e/

Threat name:

Linux.Trojan.Kaiji

Status:

Malicious

First seen:

2024-11-02 02:54:07 UTC

File Type:

ELF64 Little (Exe)

AV detection:

18 of 38 (47.37%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ri67c4ea5ft624rl7neqtaizxmdchl6n3b2jnwuv45poxspxt4xa._file

Result

Malware family:

kaiji

Score:

10/10

Tags:

family:kaiji linux

Link:

https://tria.ge/reports/241102-ddxfrszlfm/

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/64ed120f-6f7e-43d9-855b-b761a25767d3

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/8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e

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:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	Linux_Generic_Threat_a40aaa96 Create hunting rule
Author:	Elastic Security

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

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

Kaiji

elf 8a3df17080e967ed722bfb49098119bb0623afcdd87496da95e75eebc9f79f2e

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3270609/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

zbet commented on 2024-11-02 02:53:35 UTC

url : hxxp://103.192.179.5/linux_aarch64