MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e. 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

ValleyRAT

Vendor detections: 8

Intelligence 8 IOCs YARA 18 File information Comments

SHA256 hash:	658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e
SHA3-384 hash:	32ebb5e736b37f8d9e0875bdb066d44f4486a1f45de3f12c0e034ac937d56d00ad748fb2467393888c7774241fdd058a
SHA1 hash:	48366002606ddf406c6c4a3fbdd09ebe6dbbe3b2
MD5 hash:	146e4a2f79bce93d913464cce041a010
humanhash:	quiet-nine-cat-leopard
File name:	点击安装中文简体语言包.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	967'912 bytes
First seen:	2026-09-13 16:33:39 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2ccd928f4c2ad9a05bada891df954131 (1 x ValleyRAT)
ssdeep	24576:Q7MS2uEvLW+hucte4MWLMcq3htGq5sv3EsoKrX:QAZu6hreigcmhBsvEsoK7
TLSH	T1DB25BE12A69A02F8E177D17C8BA34602F576780607715BEF07E205B61F63AE19E3FB11
TrID	37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	Ling
Tags:	exe signed SilverFox ValleyRAT

Code Signing Certificate

Organisation:	MEDIATEK INC.
Issuer:	VeriSign Class 3 Code Signing 2010 CA
Algorithm:	sha1WithRSAEncryption
Valid from:	2014-05-26T00:00:00Z
Valid to:	2017-06-24T23:59:59Z
Serial number:	56f008e69a7c4c3feb389c66eaf58259
Intelligence:	19 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	322be21fe24713b9a5455f96f109c0621bea49279f498619759c48a1185ddee2
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

CNGaoLing

SilverFox
IOC (IP 103.43.11.40:4443)

Intelligence

File Origin

# of uploads :

# of downloads :

152

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

点击安装中文简体语言包.exe

Verdict:

Malicious activity

Analysis date:

2026-09-13 16:04:19 UTC

Tags:

purehvnc stealer

Link:

https://app.any.run/tasks/bbabb14c-1b9e-4e8b-9bf9-39ba6320ae25

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/85260/

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm captcha configsecuritypolicy crypto evasive explorer fingerprint hacktool lolbin microsoft_visual_cc mpcmdrun packed reconnaissance reg regedit sc

Link:

https://www.filescan.io/uploads/6aa6d083a4a334b82b55e7e2/reports/78ef4bfd-ecb2-4027-b2a2-fdb6a26e1116/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-13T06:01:00Z UTC

Last seen:

2026-09-13T13:11:00Z UTC

Hits:

~100

Detections:

Trojan.Win32.Agent.sb Trojan-PSW.Win32.Coins.sb HEUR:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Coins.gen VHO:Trojan.Win32.Agent.gen Trojan.Win32.Arkmblk.csc PDM:Trojan.Win32.Generic Trojan.Win32.Vimditator.sb

Link:

https://opentip.kaspersky.com/658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/14b30f77-87be-440f-a156-7b77179b465e

Score:

77%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/146e4a2f79bce93d913464cce041a010

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mwh4rmwk6vwxk4xqmw64pphsjdy3upuwsan2n3j65zbjdzje2rxa._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion persistence revoked_codesign

Link:

https://tria.ge/reports/260913-t26mcasvey/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Looks for VMWare Tools registry key

Sets service image path in registry

Looks for VirtualBox Guest Additions in registry

Unpacked files

SH256 hash:

658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e

MD5 hash:

146e4a2f79bce93d913464cce041a010

SHA1 hash:

48366002606ddf406c6c4a3fbdd09ebe6dbbe3b2

Detections:

triage_edr_hacktool_prison

triage_edrsandblast_tool

Link:

https://www.unpac.me/results/7c762e76-f59e-49b5-9d86-5debf4cbefaa/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/658fc8b2caf5/report/overview.html

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:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_KB_CERT_56f008e69a7c4c3feb389c66eaf58259 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	Suspicious_Process Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	test_rule_vldslv Create hunting rule

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	Windows_Generic_MalCert_b650c953 Create hunting rule
Author:	Elastic Security

File information

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

Web download

ValleyRAT

exe 658fc8b2caf56d7572f065bdc7bcf248f1ba3e96901ba6ed3eee4291e524d46e

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/85260/

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