MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ef551bbfbc31d64fb1cf40242c5f832d9ac949b9f2da2ad8c6b04a0b2e617b2. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	1ef551bbfbc31d64fb1cf40242c5f832d9ac949b9f2da2ad8c6b04a0b2e617b2
SHA3-384 hash:	2ed07f6192e534c50157c6d1012e5c314a235288268d769b5b3fcaa51383f165baf91db17b3232bbc9bb8e4622f931d1
SHA1 hash:	8c452677a1639cf2375519e423e5ba7e03d569fe
MD5 hash:	4e87cb7e710b8b5cd29c8e901312b5d6
humanhash:	equal-helium-sink-potato
File name:	k.php
Download:	download sample
File size:	50'055 bytes
First seen:	2026-07-28 05:44:19 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:4XRWNGxV49GKYpr9GKYp82fkR4nnA9GKYpr9GKYp82fkR4nnS:slxXcr
TLSH	T16A236D651A857C24AA98C4371D7E2F0CBDAD43E6320492DE7FCA3CF28C5AA9DD10871D
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.759-3.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 bash evasive lolbin masquerade obfuscated

Link:

https://www.filescan.io/uploads/6a6841c282de3c91b8f92202/reports/47808a66-b698-460e-8ec7-7023127fc239/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/a394fe54-9f31-4e46-bc93-e01e0b823c34

Behavior Graph:

Download SVG

Score:

93%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/1ef551bbfbc31d64fb1cf40242c5f832d9ac949b9f2da2ad8c6b04a0b2e617b2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1ef551bbfbc31d64fb1cf40242c5f832d9ac949b9f2da2ad8c6b04a0b2e617b2/

Threat name:

Linux.Trojan.Generic

Status:

Suspicious

First seen:

2026-07-28 05:45:48 UTC

File Type:

Text (Shell)

AV detection:

11 of 36 (30.56%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=d32vdo73ymowj6y46qbefrpyglm2zfe3t4w2flmmnmckbmxgc6za._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/260728-gfe62sbr5z/

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

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.

Threat name:

Legit

Score:

0.19

Link:

https://yomi.yoroi.company/submissions/1ef551bbfbc31d64fb1cf40242c5f832d9ac949b9f2da2ad8c6b04a0b2e617b2

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