MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 403cf85efeba8cc0e48dcb4fb7b22fa830426d4ac26d613d1e637ef64009581c. 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: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	403cf85efeba8cc0e48dcb4fb7b22fa830426d4ac26d613d1e637ef64009581c
SHA3-384 hash:	1949a1837b2478a2bc25e1453c2bafc0b57bb54899537c5fc22829d1dbb06f4805ec37433b838b382a80cd63ff8f3d1c
SHA1 hash:	76f80956191acb8aa809e89b6dc49274707c1758
MD5 hash:	44bbbb4ae98a461f7326543e0c0a4947
humanhash:	spring-kansas-oranges-wisconsin
File name:	k.php
Download:	download sample
File size:	50'051 bytes
First seen:	2026-07-29 00:52:29 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:u6Utd8/R9GKYpr9GKYp82fkR4nnA9GKYpr9GKYp82fkR4nnS:ycr
TLSH	T1B3235C651A857C14AA98C4361D7F2F0CB9AD43E6320492EE7FCF3CF28C5A6AD910572D
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/6a694ed11d183a627b16eaf2/reports/fdebb6b2-9a0c-4f71-a389-2242e349ae15/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-07-28T23:01:00Z UTC

Last seen:

2026-07-28T23:25:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/403cf85efeba8cc0e48dcb4fb7b22fa830426d4ac26d613d1e637ef64009581c/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/31ad7630-0b8b-47ac-97b4-93f7e2dad26d

Behavior Graph:

Download SVG

Score:

92%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/403cf85efeba8cc0e48dcb4fb7b22fa830426d4ac26d613d1e637ef64009581c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/403cf85efeba8cc0e48dcb4fb7b22fa830426d4ac26d613d1e637ef64009581c/

Threat name:

Linux.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-07-29 00:53:51 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=ia6pqxx6xkgmbzenznh3pmrpvayee3kkyjwwcpi6mn7pmqajlaoa._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/260729-a8cs3a1bnf/

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/403cf85efeba8cc0e48dcb4fb7b22fa830426d4ac26d613d1e637ef64009581c

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