MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9. 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: 9

Intelligence 9 IOCs YARA 19 File information Comments

SHA256 hash:	6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9
SHA3-384 hash:	4e237921c6c2750062b20ce612ba6dc83468b4b1fcd46598a921929b024e94c2bb9e8667ab1716a5b563903f8a575fba
SHA1 hash:	def66c4dfa8991b47e842bc0948feac9dfe39f2d
MD5 hash:	872cc4e319ee17bb3c25375fcde21679
humanhash:	romeo-grey-india-april
File name:	install.2.0.03.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	36'274'176 bytes
First seen:	2026-10-21 13:52:59 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	d9f7ada62e9cb2a23a751d4fc98f44ea (3 x ValleyRAT)
ssdeep	98304:96ukQmHTpksa7ffG6slKxMzfM3nJ76KVfMYrvjgAB:sukQmH0HmKxofM3nl6UfMYrLgAB
TLSH	T16A876F22B6428CD2F00285F45897BBA427FEFCB18AD1C71336E95B1E6FAE18C8D57055
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
dhash icon	e0cc8633330e6ce8 (3 x ValleyRAT)
Reporter	Ling
Tags:	exe SilverFox ValleyRAT

CNGaoLing

The sample is retrieved from "https://tbtool-tx.com.cn" / "https://tbtool-tz.com.cn" / "https://tbtool-zx.com.cn" / "https://tbtool-zo.com.cn" / "https://tbtool-sk.com.cn" / "https://tbtool-on.com.cn" / "https://tbtool-xy.com.cn" / "https://tbtool-tv.com.cn" / "https://tbtool-sy.com.cn" -> "https://www.mxh4h.com/181down"

SilverFox
IOC (hgjmze.net) (wc2026.oss-cn-hangzhou.aliyuncs.com) (6y0ier.oss-cn-beijing.aliyuncs.com) (mm2027.oss-cn-hangzhou.aliyuncs.com) (new2027.oss-cn-hongkong.aliyuncs.com) (47.243.152.51:18300)

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad8c3e35a22ac805bd8f91f

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

Creating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Creating a file

Gathering data

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-10-21T10:15:00Z UTC

Last seen:

2026-10-21T12:26:00Z UTC

Hits:

~10

Detections:

HEUR:Trojan-Dropper.Win32.Generic

Link:

https://opentip.kaspersky.com/6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9/results?tab=lookup

Score:

91%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9

Gathering data

Threat name:

Win64.Trojan.Malgent

Status:

Malicious

First seen:

2026-10-21 13:53:41 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 38 (47.37%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=n7eynumzlno5fh66qhmsdnl4u2nklrifprjyondlstt2uc4y77mq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

defense_evasion discovery execution exploit persistence privilege_escalation trojan

Link:

https://tria.ge/reports/261021-q69m1sds31/

Behaviour

Uses Task Scheduler COM API

System policy modification

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: LoadsDriver

Suspicious behavior: EnumeratesProcesses

Scheduled Task/Job: Scheduled Task

Runs net.exe

Modifies Control Panel

Checks processor information in registry

System Location Discovery: System Language Discovery

Reads the TCP/IP host and domain name from the registry

Executes a command shell one-liner

Event Triggered Execution: Screensaver

Enumerates physical storage devices

Drops file in Program Files directory

Enumerates video capture drivers

Launches sc.exe

Drops file in System32 directory

Indicator Removal: Clear Persistence

Adds Run key to start application

Modifies file permissions

Loads dropped DLL

Executes dropped EXE

Disables service(s)

Checks computer location settings

Checks BIOS information in registry

Possible privilege escalation attempt

Modifies RDP port number used by Windows

Drops file in Drivers directory

Command and Scripting Interpreter: PowerShell

Windows security bypass

UAC bypass

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6fc986d1995b/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

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

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	JP_Lure_Content_Hunt Create hunting rule
Author:	sumeshi
Description:	Hunts for files containing Japanese kana text or common Japanese lure terminology

Rule name:	LLM_API_Gemini Create hunting rule
Author:	llm-api-abuse-pilot
Description:	References Google Gemini API (PROMPTFLUX / HONESTCUE-style)

Rule name:	MULTI_Malware_Unknown_ForgeAuto_9d9a5cf9 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (inconnu, etat binaire)

Rule name:	MULTI_Malware_Unknown_ForgeAuto_de8d8480 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (inconnu, etat binaire)

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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

Rule name:	TigerRAT_pe_yaraify Create hunting rule
Author:	hunts-yara-code
Description:	YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits

Rule name:	WIN_Malware_PythonStealer_ForgeAuto_b24cb5bd Create hunting rule
Author:	Marjoriefort
Description:	Detects PythonStealer (pe, etat binaire)

File information

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

Web download

ValleyRAT

exe 6fc986d1995b5dd29fde81d921b57ca69aa5c5057c5387346b94e7aa0b98ffd9

(this sample)

Delivery method

Distributed via web download

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