MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d78fabe2943745667e6d6d4b1094a68a6889b1c767ce84c8dffa49f3ffb293. 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 2 File information Comments

SHA256 hash:	b4d78fabe2943745667e6d6d4b1094a68a6889b1c767ce84c8dffa49f3ffb293
SHA3-384 hash:	97716c2c5919187823c1620c2a535a2e68a5282f7dcba08739bdd2615f111b372f4e01ec332a9f792d9e8b5379c54f1a
SHA1 hash:	c4fef124da3d21392e6afaf649f31d1ca6df63e1
MD5 hash:	452fcfe2e1b9c9cd65a125c0943fe92e
humanhash:	fifteen-kilo-december-michigan
File name:	acb.sh
Download:	download sample
Signature	Kinsing Create hunting rule
File size:	15'957 bytes
First seen:	2025-02-23 18:47:24 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	384:r5JxgzLuqlH2wx2vUaQa5/eN86704s80ooJQYgykWT4yCtvUsDjdWOoJwv:trgXux7YJDj8OoJwv
TLSH	T1DC622F8EB011ED74266DC4B5DCE2287D602BA0098D623F10B4547E787B9DA05E7B9BFC
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://194.38.22.120/curl-amd64	6b9e23cb675be370a18a0c4482dc566be28920d4f1cd8ba6b4527f80acf978d3	Kinsing	elf geofenced kinsing ukr
http://194.38.22.120/curl-aarch64	n/a	n/a	elf geofenced ua-wget ukr

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Txt.Malware.Sustes-6779550-1

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67bb6d7328ab76d43a5cc2d8linux22vpnfull_triage

Tags:

virus shell

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

miner

Link:

https://www.filescan.io/uploads/67bb6d72298112176da09cc3/reports/096cad96-a44c-4b29-98f5-028e8de63fb2/overview

Result

Verdict:

MALICIOUS

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/b4d78fabe2943745667e6d6d4b1094a68a6889b1c767ce84c8dffa49f3ffb293

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b4d78fabe2943745667e6d6d4b1094a68a6889b1c767ce84c8dffa49f3ffb293/

Threat name:

Linux.Exploit.CVE-2020-7961

Status:

Malicious

First seen:

2025-02-20 17:34:08 UTC

File Type:

Text (Shell)

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wtly7k7csq3ukzt6nvwuweeuu2fgrcnry5t45bgi375et477wkjq._file

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:kinsing family:kinsing_rootkit family:xmrig antivm defense_evasion discovery exection execution linux loader miner persistence privilege_escalation rootkit upx

Link:

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

Behaviour

Enumerates kernel/hardware configuration

Process Discovery

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Checks CPU configuration

Reads CPU attributes

UPX packed file

Abuse Elevation Control Mechanism: Sudo and Sudo Caching

Attempts to change immutable files

Checks hardware identifiers (DMI)

Creates/modifies Cron job

Enumerates running processes

Modifies systemd

Reads hardware information

Reads list of loaded kernel modules

File and Directory Permissions Modification

Executes dropped EXE

Flushes firewall rules

Loads a kernel module

Modifies the dynamic linker configuration file

XMRig Miner payload

Kinsing

Kinsing Rootkit

Kinsing Rootkit payload

Kinsing family

Kinsing payload

Kinsing_rootkit family

Xmrig 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/b4d78fabe2943745667e6d6d4b1094a68a6889b1c767ce84c8dffa49f3ffb293

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:	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/