MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40c98ff9673f67cfa82d9e2e16a2e55644f71fec87e2d92f25821a2b917f8145. 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: 13

Intelligence 13 IOCs 1 YARA 42 File information Comments

SHA256 hash:	40c98ff9673f67cfa82d9e2e16a2e55644f71fec87e2d92f25821a2b917f8145
SHA3-384 hash:	8beb180ac740b5a7ed929023c19802012f71ffa41a453d26c6813e927ababf9f1d8bf75463ed5d4e32755af098db79a1
SHA1 hash:	5c542d609013e48e6095af6ce5ef28208a35bb3f
MD5 hash:	9c986d7e311ce1e8db7bd65b8271a87d
humanhash:	avocado-delta-stairway-romeo
File name:	9C986D7E311CE1E8DB7BD65B8271A87D.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	61'770'902 bytes
First seen:	2026-07-19 22:00:16 UTC
Last seen:	2026-07-20 17:28:02 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d3f487c6c23e9d9845b2eca3fbdd93dd (3 x ValleyRAT)
ssdeep	393216:GyXTrculw3aURH+EIXBYNitrgaFa1305l/9CidVeJoqaQKiYq7eSdK0ngpk+HcM+:RgRErYd7IzIT9WAHNei
TLSH	T1F4D77C0272A54A61FDA23B7186D81727EF3ABD3157B648973E0C2BF20F7A3154A27711
TrID	29.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 25.2% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 15.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
Magika	pebin
dhash icon	fadadac2a2b8c4e4 (20 x ValleyRAT, 11 x Nitol, 5 x Gh0stRAT)
Reporter	abuse_ch
Tags:	exe RAT ValleyRAT

abuse_ch

ValleyRAT C2:
154.82.93.242:778

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
154.82.93.242:778	https://threatfox.abuse.ch/ioc/1853949/

Intelligence

File Origin

# of uploads :

# of downloads :

187

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a5d495cbcffb2c48cb795b9

Tags:

downloader dropper virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Searching for synchronization primitives

Creating a process from a recently created file

Creating a window

Deleting a recently created file

Creating a file in the Program Files subdirectories

Creating a process with a hidden window

Searching for the window

Connection attempt

Sending a custom TCP request

Сreating synchronization primitives

Launching a service

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug base64 crypto crypto evasive fingerprint installer installer-heuristic microsoft_visual_cc obfuscated overlay packed packed reconnaissance xor-pe xor-pe

Link:

https://www.filescan.io/uploads/6a5d4939216d45e60974ca8f/reports/a7e326ad-df9e-48f1-953a-57e9374868ec/overview

Verdict:

Malicious

Labled as:

Generik_GGRLVIN_trojan

Link:

https://www.hybrid-analysis.com/sample/40c98ff9673f67cfa82d9e2e16a2e55644f71fec87e2d92f25821a2b917f8145

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-07-16T23:37:00Z UTC

Last seen:

2026-07-21T20:30:00Z UTC

Hits:

~1000

Detections:

Trojan.Win32.Shella.sb HEUR:Trojan.Win32.Shella.gen Backdoor.Win32.Xkcp.a Backdoor.Win32.Agentb.sb Backdoor.Agent.TCP.C&C

Link:

https://opentip.kaspersky.com/40c98ff9673f67cfa82d9e2e16a2e55644f71fec87e2d92f25821a2b917f8145/results?tab=lookup

Score:

32%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/40c98ff9673f67cfa82d9e2e16a2e55644f71fec87e2d92f25821a2b917f8145

Gathering data

Threat name:

Win32.Trojan.FakeAv

Status:

Suspicious

First seen:

2026-07-17 11:58:14 UTC

File Type:

PE (Exe)

Extracted files:

1062

AV detection:

12 of 36 (33.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=idey76lhh5t47kbntyxbnixfkzcpoh7mq7rnslzfqincxel7qfcq._file

Verdict:

malicious

Label(s):

ValleyRAT

Link:

https://reports.threatray.com/39de7785-842b-49e2-b878-8bebdd47568c

Result

Malware family:

valleyrat_s2

Score:

10/10

Tags:

family:valleyrat_s2 backdoor discovery persistence upx

Link:

https://tria.ge/reports/260719-1xfcxsdv8m/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

UPX packed file

Adds Run key to start application

Checks installed software on the system

Enumerates connected drives

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Detects ValleyRAT payload

Family: ValleyRat

Malware Config

C2 Extraction:

154.82.93.242:778
127.0.0.1:80

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/40c98ff9673f/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:	ach_202409_html_FedEx_phish Create hunting rule
Author:	abuse.ch
Description:	Detects potential HTML FedEx phishing forms

Rule name:	APT_Sandworm_ArguePatch_Apr_2022_1 Create hunting rule
Author:	Arkbird_SOLG
Description:	Detect ArguePatch loader used by Sandworm group for load CaddyWiper
Reference:	https://www.welivesecurity.com/2022/04/12/industroyer2-industroyer-reloaded/

Rule name:	attack_India Create hunting rule

Rule name:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	Capability_Embedded_Lua Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects embedded Lua engines by looking for multiple Lua API symbols or env-var hooks

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:	DebuggerException__SetConsoleCtrl 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:	FormhookB Create hunting rule
Author:	kevoreilly
Description:	Formbook Anti-hook Bypass

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

Rule name:	GenericGh0st Create hunting rule
Author:	Still

Rule name:	Gh0stKCP Create hunting rule
Author:	Netresec
Description:	Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:	https://netresec.com/?b=259a5af

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

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	NETDLLMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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:	SUSP_XORed_MSDOS_Stub_Message Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed MSDOS stub message
Reference:	https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings

Rule name:	Sus_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

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_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

Rule name:	test_rule_vldslv Create hunting rule

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

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:	UPX Create hunting rule
Author:	kevoreilly
Description:	UPX Unpacker: dump on OEP (original entry point)

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser Create hunting rule
Author:	malware-lu

Rule name:	UPXv20MarkusLaszloReiser Create hunting rule
Author:	malware-lu

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

Rule name:	ValleyRAT Create hunting rule
Author:	NDA0E
Description:	Detects ValleyRAT

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_Threat_4b0b73ce Create hunting rule
Author:	Elastic Security

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

Rule name:	win_winos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.winos.

Rule name:	without_attachments Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the no presence of any attachment
Reference:	http://laboratorio.blogs.hispasec.com/

Rule name:	with_urls Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the presence of an or several urls
Reference:	http://laboratorio.blogs.hispasec.com/

File information

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

No further information available

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