MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 203cf0e3d88b6ee55100ae12ce3e07b06a6ebb6ef07756ddad93c10bbe73147c. 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

Threat unknown

Vendor detections: 7

Intelligence 7 IOCs YARA 24 File information Comments

SHA256 hash:	203cf0e3d88b6ee55100ae12ce3e07b06a6ebb6ef07756ddad93c10bbe73147c
SHA3-384 hash:	8b045a7224b496e637f5945a23e67e944f2fc99d3dfd69eca5e89908a091f88b843c252c1f0aa8b5b83e6f0f9a013146
SHA1 hash:	9319fcb377eb5705740dc9f4d1d58707ae043f91
MD5 hash:	55a7b14656651b8cf348496a8003ae69
humanhash:	sweet-oxygen-texas-fruit
File name:	386
Download:	download sample
File size:	5'128'192 bytes
First seen:	2026-02-24 08:23:49 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:pYQhABz/zHgZCi0X+quHS+PRRf81XJzvk5hfpe6qiVF8n4tgP1ibRTPVnexcahhH:GBBSeX+quHSkREt4cxp
TLSH	T17D363950FACB44F6EA031E3144ABB27F67315D058B25DB87EA507F2AE9776D2083621C
telfhash	t1c4c2c0b3199da4ecabf08403876f7520cee6e03726d0297169f6f480d672e53da35978
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	juroots
Tags:	elf

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

Unix.Malware.Kaiji-10003917-0

Unix.Malware.Kaiji-10025182-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Manages services

Receives data from a server

Creating a process from a recently created file

Creating a file

Deleting a recently created file

Sends data to a server

Launching a process

Connection attempt

Sets a written file as executable

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

Runs as daemon

Mounts file systems

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 symbolic links in /init.d to set up autorun

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

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 crypto golang kaiji

Link:

https://www.filescan.io/uploads/699d603697feb4afd6563015/reports/8d4333de-9b4d-4873-842c-1828b07eadd3/overview

Result

Gathering data

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/50897255-f28f-4b25-a50f-359004baa224

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/4ee51c6e-ea1f-4abb-ae1c-bbac48401efe

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/203cf0e3d88b6ee55100ae12ce3e07b06a6ebb6ef07756ddad93c10bbe73147c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/203cf0e3d88b6ee55100ae12ce3e07b06a6ebb6ef07756ddad93c10bbe73147c/

Threat name:

Linux.Trojan.Kaiji

Status:

Malicious

First seen:

2026-02-22 08:58:29 UTC

File Type:

ELF32 Little (Exe)

AV detection:

18 of 36 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ea6pby6yrnxokuiavyjm4pqhwbvg5o3o6b3vnxnnspaqxpttcr6a._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery linux persistence privilege_escalation

Link:

https://tria.ge/reports/260224-kawhmafy7c/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Modifies Bash startup script

Creates/modifies environment variables

Modifies init.d

Modifies Watchdog functionality

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/203cf0e3d88b6ee55100ae12ce3e07b06a6ebb6ef07756ddad93c10bbe73147c

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

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:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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

elf 203cf0e3d88b6ee55100ae12ce3e07b06a6ebb6ef07756ddad93c10bbe73147c

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3784757/

Delivery method

Distributed via web download

Comments

Login required

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

No comments found for this malware sample