MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac. 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 22 File information Comments

SHA256 hash:	0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac
SHA3-384 hash:	0db88421e6e910e592457f397deac88607d79d03c718576d60d54fae7a12301655030a5b2a09de1277f763a2f22c9b34
SHA1 hash:	c5b31fef3f2f090a2ffe940151a09de1a254a814
MD5 hash:	340c58e86eb1f64c1f976a56c717729a
humanhash:	edward-kilo-sad-whiskey
File name:	linux_amd64
Download:	download sample
Signature	Kaiji Create hunting rule
File size:	5'435'392 bytes
First seen:	2025-10-13 06:52:50 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:7Xa6xzZWhrb/T4vO90dL3BmAFd4A64nsfJPJ6TdXnT9aqeJaz2xNkapDnYRQoj1r:b2ONLBzSxtSTHElHz
TLSH	T188463943F89095A8C1EED13086629293BA717C895F3463D32F50FBB92B76BD46E79310
telfhash	t105a231705abc74b1a667c961f3b374b4e63758b563f474b100276c92efe0e481ca682b
gimphash	8489141d42b5763d2533ede66ffeb9a2eae979105cb5dc27154b16bbb78716ff
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 kaiji

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

no reply from clamd

Result

Verdict:

Malware

Maliciousness:

Behaviour

Locks files

Manages services

Sets a written file as executable

Kills processes

Creates directories in a system directory

Sends data to a server

DNS request

Connection attempt

Creating a process from a recently created file

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

Receives data from a server

Creating a file

Mounts file systems

Launching a process

Writes files to system subdirectory

Creates or modifies files in /cron to set up autorun

Replaces system binary files

Writes files to system directory

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

Creates or modifies files to set up autorun

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

base64 crypto expand golang lolbin

Link:

https://www.filescan.io/uploads/68eca1f171883144ef33b348/reports/2a467155-7da0-4b43-8f91-db5d789e583d/overview

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2025-10-13T05:01:00Z UTC

Last seen:

2025-10-13T05:23:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/5dbbe0e1-982a-43f6-9c1e-6a9b0c0cd3a9

Behavior Graph:

Download SVG

Malware family:

Kaiji

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ebfb1a9f-621e-4c3e-974b-28989c243b13

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac/

Threat name:

Linux.Trojan.Multiverze

Status:

Malicious

First seen:

2025-10-13 06:55:48 UTC

File Type:

ELF64 Little (Exe)

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=bpccob4cl4mbbiczzznh6hl3auy35qq2ebmcvo37hjqzx2xc5cwa._file

Result

Malware family:

kaiji

Score:

10/10

Tags:

family:kaiji defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/251013-hnyh2acm6s/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Changes its process name

Reads CPU attributes

Modifies Bash startup script

Creates/modifies Cron job

Creates/modifies environment variables

Enumerates running processes

Modifies init.d

Write file to user bin folder

Executes dropped EXE

Modifies Watchdog functionality

Kaiji

Kaiji family

kaiji_chaosbot

Malware Config

C2 Extraction:

154.201.82.47:809

Verdict:

Unknown

Tags:

trojan chaos kaiji

YARA:

Linux_Trojan_Kaiji_dcf6565e ELF_Kaiji_Chaos_April_2024

Link:

https://app.threat.zone/submission/c46e15a6-2585-421d-8cd3-c791c8b0d423

Malware family:

Kaiji

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0bc42707825f/report/overview.html

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

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac

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_duffcopy_amd64 Create hunting rule

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:	Linux_Trojan_Kaiji_dcf6565e Create hunting rule
Author:	Elastic Security

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

Rule name:	NET Create hunting rule
Author:	malware-lu

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:	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 0bc42707825f1810a059ce5a7f1d7b0531bec21a20582abb7f3a619beae2e8ac

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3581017/

Delivery method

Distributed via web download

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