MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd55acc87ed3d0908afa2aab5c80bbdcd5b0206eae2c85e2c212248fd85290e. 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: 4

Intelligence 4 IOCs YARA 1 File information Comments

SHA256 hash:	efd55acc87ed3d0908afa2aab5c80bbdcd5b0206eae2c85e2c212248fd85290e
SHA3-384 hash:	05d6e810a0e102983a4b7ee7c547b1a38b1445bc4dd74d626ac99d61d1764a4b52b859ef826ed17221da293764454b68
SHA1 hash:	c36f5b54839fd2fe6ad4252e30fdaceef05db3b4
MD5 hash:	6709b58aa8497b541532e8dd1d3a2a53
humanhash:	west-indigo-aspen-east
File name:	k.php
Download:	download sample
File size:	50'059 bytes
First seen:	2026-08-30 10:53:06 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:HXRWNGxVW9GKYpr9GKYp82fkR4nnA9GKYpr9GKYp82fkR4nnS:BlxZcr
TLSH	T113236D6526857C24AA99C4371D7E2F0CBDAD43E6320492EE7FCA3CF28C5A69DD10871D
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://160.119.69.4/x	n/a	n/a	160-119-69-4 sh ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.BackDoor.Siggen.759-1.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 bash evasive lolbin masquerade obfuscated

Link:

https://www.filescan.io/uploads/6a940b9a384f42b1ea0997f0/reports/25b6f8d3-9a95-4b2f-a4d1-8a47ec3fe2cc/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/65bea99a-3b2d-4f3e-837c-5ea74ad37f04

Behavior Graph:

Download SVG

Score:

93%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/efd55acc87ed3d0908afa2aab5c80bbdcd5b0206eae2c85e2c212248fd85290e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/efd55acc87ed3d0908afa2aab5c80bbdcd5b0206eae2c85e2c212248fd85290e/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=57kvvteh5u6qscfpukvllsalxxgvwaqg5lrmqxrmeerer7mffeha._file

Result

Malware family:

n/a

Score:

8/10

Tags:

antivm credential_access defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260830-my3yqasend/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Deobfuscate/Decode Files or Information

Checks CPU configuration

Creates a desktop entry file

Modifies Bash startup script

Adds a user to the system

Creates/modifies Cron job

Creates/modifies environment variables

Deletes log files

Enumerates running processes

Modifies rc script

File and Directory Permissions Modification

Deletes Audit logs

Deletes system logs

Flushes firewall rules

OS Credential Dumping

Modifies password files for system users/ groups

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:	SUSP_LNX_Base64_Exec_Apr24 Create hunting rule
Author:	Christian Burkard
Description:	Detects suspicious base64 encoded shell commands (as seen in Palo Alto CVE-2024-3400 exploitation)
Reference:	Internal Research