MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6. 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

CatStorm

Vendor detections: 7

Intelligence 7 IOCs YARA 37 File information Comments

SHA256 hash:	c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6
SHA3-384 hash:	29e092b686504dc795baaae173409dee24f105eb24c53b85ab31f182a1590e18625fa825af25d6704ba275c5b17e4b43
SHA1 hash:	23c7dcbb518511e14dc01b84b28f2a59e88d30a5
MD5 hash:	02b1c4eed1f34645214878bcfcd5591a
humanhash:	cold-solar-kansas-mike
File name:	x86_64
Download:	download sample
Signature	CatStorm Create hunting rule
File size:	5'988'536 bytes
First seen:	2026-10-27 05:04:24 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:RgeCphR6muEQOn1Jlz+JkgN6d+gU+GT8aMnuYIuYR/y5QqruH6Mn387Bew8doHKI:RYpTPnQdMGAaMuyVCaSQ6okjSzEC
TLSH	T1C8563A03FCA555E9C0EEE2308A629253BA717C586B3123D72F90F7282F76BD06A75750
telfhash	t1e7329f754abd34b4b6aada10b3a3b4b4953718a566f834f01063ed94ffc1e805ce2877
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	BlinkzSec
Tags:	CatStorm

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Flooder-5.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a process from a recently created file

Gathering data

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

true

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

210

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6

Behaviour

Anti-VM

Persistence

Information Gathering

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

type: 1.0.0.1:80

Verdict:

Malicious

File Type:

elf.64.le

First seen:

2026-10-27T03:25:00Z UTC

Last seen:

2026-10-27T09:10:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/970afee5-2458-4ef4-802d-b91ba4e82680

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/a23b2b86-3702-428f-831b-a5e60ce4526b

Score:

89%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6/

Threat name:

Linux.Trojan.Generic

Status:

Suspicious

First seen:

2026-10-27 05:03:14 UTC

File Type:

ELF64 Little (Exe)

AV detection:

7 of 36 (19.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ynjjtzdvw4cqf456sxpu3mutuxifkt7tl2lmqvqfpz7oknlmswta._file

Result

Malware family:

n/a

Score:

6/10

Tags:

credential_access discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/261027-fq6w3s1xcy/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Writes file to tmp directory

Reads process memory

Creates/modifies Cron job

Enumerates running processes

Modifies init.d

Modifies systemd

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

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:	ach_202610_elf_catstorm Create hunting rule
Author:	abuse.ch
Description:	Detects CatStorm

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:	ELF_Packer_Dropper_Fileless_Armhf Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts.

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

Rule name:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

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:	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:	LIN_Malware_Unknown_ForgeAuto_0daebbb8 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (elf, etat binaire)

Rule name:	LIN_Sample_Unique_4c099562 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (elf, etat binaire)

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

Rule name:	MIRAI_TELNETCURL_payload Create hunting rule
Author:	AfterPacket
Description:	Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:	https://github.com/Afterpacket/drosera-threat-intel

Rule name:	NSVPS_Hydra_SSH_Bruteforce Create hunting rule
Author:	sanad (NSVPS-SOC)
Description:	Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot

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:	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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Web_Generic_Binary_URL_Download Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects files containing HTTP or HTTPS links pointing directly to .bin payload extensions.

File information

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

Web download

CatStorm

elf c35299e475b70502f3be95df4db293a5d0554ff35e96c856057e7ee5356c95a6

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/4035077/

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