MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317. 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: 15

Intelligence 15 IOCs YARA 41 File information Comments

SHA256 hash:	21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317
SHA3-384 hash:	f49777932ecc69d580e07ba2fe04cb354c6ffeaee58ad96dcf79a6a1d7c30093ee8153b4957e3164385f5c698e7325c4
SHA1 hash:	08824d14c9428e047645c9baa822964d7e8657b9
MD5 hash:	a7419e5d74c16467b624831100693684
humanhash:	connecticut-six-nuts-artist
File name:	192.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	5'959'168 bytes
First seen:	2026-08-30 23:36:39 UTC
Last seen:	2026-08-31 03:22:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (1'448 x Vidar, 343 x RemusStealer, 134 x Stealc)
ssdeep	49152:NiOKtTM3Xg9vcz6Xi6idfnM4ie1DWFRMZyumMkuAUa7GuQftfV4ZvkK/pafKiK96:NkZJdiBbWRomMjAD/RAUuIc6EF
TLSH	T1F0563A47EC9659E9C1AAE23489679253BB717C881B3123D32B50F7382F76BD06E79340
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	BlinkzSec
Tags:	ValleyRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

http://121.127.245.218:8080/192.exe

Verdict:

Malicious activity

Analysis date:

2026-08-30 23:33:23 UTC

Tags:

loader valleyrat silverfox rat winos

Link:

https://app.any.run/tasks/9b2a99df-1a00-40fc-8551-e81f7d6dd19f

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/83363/

Detection(s):

SecuriteInfo.com.Win64.Malware-gen.34767762.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac6bc60c221a7c081080381

Tags:

dropper virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sending an HTTP GET request

Creating a file in the %AppData% subdirectories

Moving a file to the %AppData% subdirectory

Loading a suspicious library

Сreating synchronization primitives

Sending a custom TCP request

Creating a window

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

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm base64 crypto expand golang lolbin

Link:

https://www.filescan.io/uploads/6a9527ad59f6a4229a3b4c54/reports/3b74baf2-4c40-407d-8c8f-0ea3d9375edd/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-08-30T21:01:00Z UTC

Last seen:

2026-09-01T08:55:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317/results?tab=lookup

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7e7fd477-4ca7-41b8-9160-36f780b9a581

Score:

86%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

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

Link:

https://app.malva.re/file/a7419e5d74c16467b624831100693684

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317/

Threat name:

Win64.Trojan.Gomal

Status:

Suspicious

First seen:

2026-08-30 23:32:24 UTC

File Type:

PE+ (Exe)

AV detection:

16 of 38 (42.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=eg745x5xt3eee6wt25tlm2mxta5csegqkfshomkzey5vfjonmmlq._file

Verdict:

malicious

Label(s):

ValleyRAT

Link:

https://reports.threatray.com/78d9f206-7231-40a5-824b-da82702cb709

Result

Malware family:

valleyrat_s2

Score:

10/10

Tags:

family:valleyrat_s2 backdoor persistence

Link:

https://tria.ge/reports/260830-3l8lfabl3y/

Behaviour

GoLang User-Agent

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Adds Run key to start application

Enumerates connected drives

Loads dropped DLL

Badlisted process makes network request

Downloads MZ/PE file

Detects ValleyRAT payload

Family: ValleyRat

Unpacked files

SH256 hash:

21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317

MD5 hash:

a7419e5d74c16467b624831100693684

SHA1 hash:

08824d14c9428e047645c9baa822964d7e8657b9

Link:

https://www.unpac.me/results/68e74dd3-42fc-4ae5-badc-221e43421b08/

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/21bfcedfb79e/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/21bfcedfb79ec8427ad3d766b66997983a2910d05164773159263b52a5cd6317

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:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

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

Rule name:	DebuggerException__ConsoleCtrl 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:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

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

Rule name:	Gentlemen_Ransomware_Binary Create hunting rule
Author:	Bedrock Safeguard Inc.
Description:	Detects The Gentlemen ransomware binary (Go/Garble)
Reference:	https://github.com/Bedrock-Safeguard/gentlemen-decryptor

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:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

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:	golang_duffcopy_amd64 Create hunting rule

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

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

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

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

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RemusStealer_GoPayload Create hunting rule
Author:	burger
Description:	Detects RemusStealer Go-compiled payload

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

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

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:	Suspicious_Golang_Binary Create hunting rule
Author:	Tim Machac
Description:	Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)

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

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

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

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_Shellcode_Rdi_edc62a10 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Winos_464b8a2e 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