MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63. 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:	91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63
SHA3-384 hash:	7009b639e2cbdcc0dcd4794f64a8e9ab333ac70485add511d224397861bb95eb3ae8e96ec067d3bbe4c7beea5e544351
SHA1 hash:	bce10fc9c1945b7f8f289cdb4a8b7b52c2df255a
MD5 hash:	90ce40b12175c1209a5f4cb183a607b6
humanhash:	golf-nineteen-floor-romeo
File name:	k.php
Download:	download sample
File size:	45'425 bytes
First seen:	2026-05-01 00:56:41 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:bkXRWNGxV/9GKYpr9GKYp82fkR4nnA9GKYpr9GKYp82fkR4nnp:bYlxGcy
TLSH	T199137D6566853C28AE9998371D7E1F0CBDAA83E2310491DDBFCB3CF18C59A9CD21871D
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://45.95.147.178/x	n/a	n/a	45-95-147-178 sh ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.BV.Agent-CEL.95981186.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 bash evasive lolbin masquerade obfuscated

Link:

https://www.filescan.io/uploads/69f3fa6d7d31ad7bba4d57e7/reports/a63f5a47-1ef5-4b23-8007-8dafc228247e/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-04-30T22:05:00Z UTC

Last seen:

2026-05-01T13:00:00Z UTC

Hits:

~10

Detections:

HEUR:Trojan-Downloader.Shell.Agent.bc

Link:

https://opentip.kaspersky.com/91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/35e5d739-04dc-4aa7-8646-121cfe9bd2cd

Score:

93%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63/

Verdict:

Malicious

Threat:

Trojan-Downloader.Shell.Agent

Link:

https://tip.neiki.dev/file/91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63

Threat name:

Script.Downloader.Malgent

Status:

Malicious

First seen:

2026-05-01 00:57:27 UTC

File Type:

Text (Shell)

AV detection:

5 of 24 (20.83%)

Threat level:

3/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=shi7tf66vaxcglqtcahbqyaeyot6ustm3rqcbprh7rk4lgnbvrrq._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/260501-ba3r9sbt3x/

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 .desktop 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:

0.16

Link:

https://yomi.yoroi.company/submissions/91d1f997dea82e232e13100e186004c3a7ea4a6cdc6020be27fc55c599a1ac63

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