MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83. 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 1 File information Comments

SHA256 hash:	ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83
SHA3-384 hash:	7f2beff7178d77bbe4d4a6c109ed1242fcc80462c6593f7d07a66c3652d1b59505859ba6dc3419a3960d152bbd87d644
SHA1 hash:	a87d6e59e9c9c5040928e84901f5316e8a3d8cb6
MD5 hash:	8f1b9bb908c69b5ecc6498f69e5cf54a
humanhash:	princess-colorado-delaware-sink
File name:	p
Download:	download sample
File size:	834 bytes
First seen:	2026-06-03 20:29:48 UTC
Last seen:	2026-06-04 08:32:51 UTC
File type:	sh
MIME type:	text/x-shellscript
ssdeep	24:kXCKysE2hi0ziQvZoha0zkcE46aO3corv17:e9Qp+Ms07qaOMgv17
TLSH	T1D801CECFC112D7104095E8AE62A761907412C7CB26864BB8BF9C483DDBBD75C7125F98
TrID	70.0% (.SH) Linux/UNIX shell script (7000/1) 30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika	shell
Reporter	abuse_ch
Tags:	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://188.132.232.81/uA5B	n/a	n/a	elf ua-wget
http://188.132.232.81/mSD	n/a	n/a	elf ua-wget
http://188.132.232.81/bzq	n/a	n/a	elf ua-wget
http://188.132.232.81/sKW8	n/a	n/a	elf ua-wget
http://188.132.232.81/wZed	n/a	n/a	elf ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Downloader-35.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive

Link:

https://www.filescan.io/uploads/6a208eef099ef368af1ba168/reports/5b14d35d-8098-43ee-b74e-50c4f7d78e8a/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-06-03T17:36:00Z UTC

Last seen:

2026-06-04T00:30:00Z UTC

Hits:

~10

Detections:

HEUR:Trojan-Downloader.Shell.Agent.a

Link:

https://opentip.kaspersky.com/ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/0c847a0f-665c-4816-a4ac-42d6b215c520

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83/

Verdict:

Malicious

Link:

https://tip.neiki.dev/file/ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83

Threat name:

Win32.Trojan.Vigorf

Status:

Malicious

First seen:

2026-06-03 20:30:57 UTC

File Type:

Text (Shell)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=55blgc43r2zqbipkngh6ebpussuqc7o7a7xjqsvnm5r5xhhgjsbq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

defense_evasion discovery linux

Link:

https://tria.ge/reports/260603-zae8zafs5r/

Behaviour

Reads runtime system information

Writes file to tmp directory

File and Directory Permissions Modification

Executes dropped EXE

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

Threat name:

Legit

Score:

0.26

Link:

https://yomi.yoroi.company/submissions/ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83

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_202412_suspect_bash_script Create hunting rule
Author:	abuse.ch
Description:	Detects suspicious Linux bash scripts

File information

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

Web download

sh ef42b30b9b8eb300a1ea698fe205f494a9017ddf07ee984aad6763db9ce64c83

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3856423/

Delivery method

Distributed via web download

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