MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6ff3a097ab737ce4430fb07453ca117c717a3156c0e4e2adfa56f98ba6d2945. 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

Kinsing

Vendor detections: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	c6ff3a097ab737ce4430fb07453ca117c717a3156c0e4e2adfa56f98ba6d2945
SHA3-384 hash:	c18847a7587821f9c6eae58cc5e4b00467fd3e69a2eda9862f26869fd7b491599b03290664f16ec045542b7ef699ca99
SHA1 hash:	ee608d22837423e48fe6eb50da354516154a3e28
MD5 hash:	eb54cfa840c7551a2a3c2d9be10328a8
humanhash:	emma-five-hydrogen-early
File name:	w.sh
Download:	download sample
Signature	Kinsing Create hunting rule
File size:	36'502 bytes
First seen:	2025-02-23 18:47:37 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:b87mzQ5VFNcDAFLcIwgnoYq0xFBvgmuNytIuz:bOVF+D6cIwgoszz
TLSH	T1F7F2264D9072FCB52D65C866DEE1322DB0AEF088C5F37B88AE253D3C55A4005FA715AE
Magika	shell
Reporter	abuse_ch
Tags:	Kinsing sh

Shell script dropper

This file seems to be a shell script dropper, using wget, ftpget and/or curl. More information about the corresponding payload URLs are shown below.

URL	Malware sample (SHA256 hash)	Signature	Tags
http://update.aegis.aliyun.com/download/uninstall.sh	n/a	n/a	ascii
http://update.aegis.aliyun.com/download/quartz_uninstall.sh	n/a	n/a	sh

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Unix.Downloader.Rocke-6826000-0

Txt.Malware.Sustes-6779550-1

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67bb6d88a0fd713c335c8c19linux22vpnfull_triage

Tags:

virus

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

black coinminer kinsing miner

Link:

https://www.filescan.io/uploads/67bb6d7f6222db7f23d94321/reports/2d574368-fea4-4d7c-a290-31272aff88f7/overview

Result

Verdict:

MALICIOUS

Details

Base64 Encoded URL

Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/c6ff3a097ab737ce4430fb07453ca117c717a3156c0e4e2adfa56f98ba6d2945

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c6ff3a097ab737ce4430fb07453ca117c717a3156c0e4e2adfa56f98ba6d2945/

Threat name:

Linux.Trojan.Black

Status:

Malicious

First seen:

2025-02-20 17:31:46 UTC

File Type:

Text (Shell)

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=y37tucl2w4344rbq7mdukpfbc7drpiyvnqhe4kw7uvxzrotnffcq._file

Result

Malware family:

xmrig_linux

Score:

10/10

Tags:

family:kinsing family:xmrig_linux antivm defense_evasion discovery execution linux loader miner persistence privilege_escalation rootkit

Link:

https://tria.ge/reports/250223-xfvvhavqek/

Behaviour

Enumerates kernel/hardware configuration

Process Discovery

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Checks CPU configuration

Reads CPU attributes

Abuse Elevation Control Mechanism: Sudo and Sudo Caching

Attempts to change immutable files

Creates/modifies Cron job

Disables AppArmor

Disables SELinux

Enumerates running processes

Reads list of loaded kernel modules

File and Directory Permissions Modification

Deletes system logs

Executes dropped EXE

Flushes firewall rules

Loads a kernel module

Kinsing

Kinsing family

Kinsing payload

Xmrig_linux family

xmrig

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/c6ff3a097ab737ce4430fb07453ca117c717a3156c0e4e2adfa56f98ba6d2945

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_Trojan_Kinsing_2c1ffe78 Create hunting rule
Author:	Elastic Security

Rule name:	Linux_Trojan_Kinsing_7cdbe9fa Create hunting rule
Author:	Elastic Security

Rule name:	MAL_Payload_F5_BIG_IP_Exploitations_Jul20_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects code found in report on exploits against CVE-2020-5902 F5 BIG-IP vulnerability by NCC group
Reference:	https://research.nccgroup.com/2020/07/05/rift-f5-networks-k52145254-tmui-rce-vulnerability-cve-2020-5902-intelligence/