MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d03f4a85facd267a0909cd8bd13413a6992ca52d547c4c7e5eb426bc7b4a3174. 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 7 File information Comments

SHA256 hash:	d03f4a85facd267a0909cd8bd13413a6992ca52d547c4c7e5eb426bc7b4a3174
SHA3-384 hash:	ce0aaa227fee59715616d6fca057e916b156b33eb4fa8df1026f4777d4d29c7eefa4721d9e4f254f37c6501eea25ea67
SHA1 hash:	2422b3be75dac73fed96c9d994103a1538858ebd
MD5 hash:	34f7a8b7bfb9b1af76551370854a3529
humanhash:	football-black-coffee-alpha
File name:	银狐.msi
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	68'456'448 bytes
First seen:	2025-07-10 21:09:47 UTC
Last seen:	Never
File type:	msi
MIME type:	application/x-msi
ssdeep	1572864:BvIiz5QIqQcaEExmbEuFRUZUUQ4HYyYoR5b3yjw8JRMgDpakK:PcaEExGg3QUr/0XJRj6
TLSH	T120E73330B1766899E62F677FE0A85FD884307CE1B31BDA6B63787FA549B054351B2803
TrID	80.0% (.MSI) Microsoft Windows Installer (454500/1/170) 10.7% (.MST) Windows SDK Setup Transform script (61000/1/5) 7.8% (.MSP) Windows Installer Patch (44509/10/5) 1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika	msi
Reporter	GDHJDSYDH1
Tags:	backdoor dropper injector msi SilverFox ValleyRAT

GDHJDSYDH1

C2:
103.235.46.102
118.107.45.7

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68702c44c9eb97473768299d

Tags:

softcnapp virus agent blic

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-debug base64 cmd expired-cert fingerprint lolbin wix

Link:

https://www.filescan.io/uploads/68702c452ca82036b09a6d8d/reports/ad9ab992-bfda-4f34-9512-f668011a0d63/overview

Verdict:

Suspicious

Link:

https://www.hybrid-analysis.com/sample/d03f4a85facd267a0909cd8bd13413a6992ca52d547c4c7e5eb426bc7b4a3174

Score:

Verdict:

Benign

File Type:

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery persistence privilege_escalation

Link:

https://tria.ge/reports/250710-zz6r8awry3/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Event Triggered Execution: Installer Packages

System Location Discovery: System Language Discovery

Loads dropped DLL

Enumerates connected drives

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/96446b9d-9c59-4ca3-b8b4-b6c888dd7e42

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:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

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:	Detect_LATAM_MSI_Banker Create hunting rule

Rule name:	Excel_Hidden_Macro_Sheet Create hunting rule

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

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)