MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c. 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: 7

Intelligence 7 IOCs YARA 25 File information Comments

SHA256 hash:	284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c
SHA3-384 hash:	b454b0258292fbfa40fb684af6aa8a7a0d24a133b7ba306f1291d7f75bb74be03d6e4318b57df94c30439005a6a4403e
SHA1 hash:	0eb7091eb44f48fe363417b6ec05907e43f75c74
MD5 hash:	c329b94f8ebc10dafc5840bde2998118
humanhash:	batman-jig-vermont-carbon
File name:	z1020260831_921537_F4B82C6D3A19.img
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	2'609'152 bytes
First seen:	2026-08-31 14:01:24 UTC
Last seen:	Never
File type:	img
MIME type:	application/x-iso9660-image
ssdeep	24576:YrfBV9Bsy4wPrALhAYvogQEKZm+jWodEE7C87yoi:2fB5frALVvt38r
TLSH	T156C5FD25B9BA812DC023F7782DDEF16FE6B92709168974BB004A03174F29BD18B5717E
TrID	88.4% (.NULL) null bytes (2048000/1) 11.0% (.HTP) HomeLab/BraiLab Tape image (256000/1) 0.2% (.ATN) Photoshop Action (5007/6/1) 0.1% (.ISO) ISO 9660 CD image (2545/36/1) 0.1% (.ASSETS) Unity binary serialized Assets (generic) (2509/3/1)
Magika	iso
Reporter	FXOLabs
Tags:	img ValleyRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

This file archive contains 6 file(s), sorted by their relevance:

File name:	vcruntime140_1.dll
File size:	60'072 bytes
SHA256 hash:	1a1ca015a830a357ad5ec882845d732a60368b6c0d8247a009140cd518377f73
MD5 hash:	0bdae05fc660c889f1a3a6fd0d7ca3e4
MIME type:	application/x-dosexec
Signature	ValleyRAT

File name:	20260831.921537.F4B82C6D3A19.exe
File size:	74'364 bytes
SHA256 hash:	da169efdf43f4f2e87937efaaaf328dd659e28740411d1904a5bd0908ea5e061
MD5 hash:	7cc9889cb2b1733e38e191f5acb79154
MIME type:	application/x-dosexec
Signature	ValleyRAT

File name:	resmonitor.dll
File size:	181'464 bytes
SHA256 hash:	9f185ed99336d159f552d85ac12e276874ef42c8fd4a05eacbe9da3f7b9f0520
MD5 hash:	8688688ab59154a5c379b01877ed351d
MIME type:	application/x-dosexec
Signature	ValleyRAT

File name:	vcruntime140.dll
File size:	130'704 bytes
SHA256 hash:	98aea63f7c88d733504c08b165fd68a917e256f2cfaeaa742323ef6dddbbce29
MD5 hash:	d59f36ddcc7460bf5bcd9fde274982bb
MIME type:	application/x-dosexec
Signature	ValleyRAT

File name:	msvcp140.dll
File size:	585'872 bytes
SHA256 hash:	b5400f8454276f1adf944d8ba393866ca423603254baf88bca7dc4c1cf762116
MD5 hash:	cdf7a0cc26ed6b4136ce69b74d8694ed
MIME type:	application/x-dosexec
Signature	ValleyRAT

File name:	libcares-2.dll
File size:	1'507'840 bytes
SHA256 hash:	ed68ce95780ba9a50d148405267944b4beda451ae4e54b53c4435330d30ff921
MD5 hash:	f8a92ed255df0dbb62c2dd4fdb25fd74
MIME type:	application/x-dosexec
Signature	ValleyRAT

Vendor Threat Intelligence

Malware configuration found for:

Details

Link:

https://research.acce.ciphertechsolutions.com/results/b3a59c45-004b-4c56-a3ad-df5a57622d15/

Detection(s):

SecuriteInfo.com.Win64.MalwareX-gen.25144261.UNOFFICIAL

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac6bfe6c221a7c081081327

Tags:

virus

Verdict:

Unknown

Threat level:

n/a -.1.0/10

Confidence:

100%

Tags:

anti-debug anti-vm expired-cert microsoft_visual_cc signed

Link:

https://www.filescan.io/uploads/6a95896c92b22efec088f27e/reports/0228e95e-e1cb-45cc-8773-b209db07f5a9/overview

Verdict:

Suspicious

Labled as:

W64/Valley.B.gen

Link:

https://www.hybrid-analysis.com/sample/284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c

Verdict:

Malicious

File Type:

iso

First seen:

2026-08-31T13:45:00Z UTC

Last seen:

2026-09-02T12:28:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c/results?tab=lookup

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c/

Threat name:

Win64.Trojan.Ravartar

Status:

Malicious

First seen:

2026-08-31 09:58:35 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fbhuf3vgy7xvojrgvojuscqpdzgzntwz57atqnrcw35672pjwmwa._file

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c

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

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

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

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:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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:	test_rule_vldslv Create hunting rule

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:	WinosStager Create hunting rule
Author:	YungBinary
Description:	https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

File information

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

Malspam

ValleyRAT

img 284f42eea6c7ef572626ab93490a0f1e4d96ced9efc1383622b6fbefe9e9b32c

(this sample)

Delivery method

Distributed via e-mail attachment

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