MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d. 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: 14

Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash:	d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d
SHA3-384 hash:	2e4b80cac9d0d42ee58d2ca6c89d3a0a8cde0c8d8111320befb494d4fcd1df4c6f965f3486f295964a6dd14e7db8e12d
SHA1 hash:	206a7d1eb9c7586d1c2058e6cd4e089f2ded7f96
MD5 hash:	4c778e37782ed41eda9dc9113411067f
humanhash:	seventeen-echo-asparagus-mississippi
File name:	4c778e37782ed41eda9dc9113411067f.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	196'096 bytes
First seen:	2025-06-13 10:40:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e6ce10e3b4c0ac32a57e49fc648bb783 (1 x ValleyRAT)
ssdeep	1536:/+uHqw0qsrWc6J/SInnpzZE0vJ+waLbqOhC1UDCn7MVoE:W8qlVrWc6JKInn/EoaPqO2nn7MVoE
TLSH	T10F14D31366DC3CF6D1396371777B83E0CB2EEC6451A2C44E6AD501A9DA3C853B6223DA
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	f0968ee8aae8e8b2 (9 x Urelas, 5 x HermeticWiper, 4 x Starcat)
Reporter	abuse_ch
Tags:	exe ValleyRAT

Intelligence

File Origin

# of uploads :

# of downloads :

456

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

a43f6c4b412f84a5d3b3b903febe231e.exe

Verdict:

Malicious activity

Analysis date:

2025-06-13 06:19:23 UTC

Tags:

amadey botnet stealer loader rdp themida auto-reg auto-startup valleyrat winos rat silverfox payload arch-exec purehvnc auto generic gcleaner lumma telegram evasion

Link:

https://app.any.run/tasks/a8f88328-fae9-4fab-8c36-800697ab12b1

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/9316/

Detection(s):

SecuriteInfo.com.HEUR.Backdoor.Win32.Xkcp.gen.21644.21296.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=684c005d8bd5d68a12e86e5e

Tags:

emotet virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Сreating synchronization primitives

Verdict:

Malicious

Labled as:

HVM:TrojanDownloader/Small.bz

Link:

https://www.hybrid-analysis.com/sample/d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/cb6bfe79-7026-441a-84d0-4fd1b19fbad5

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/1714005

Signature

Contains functionality to inject code into remote processes

Detected unpacking (creates a PE file in dynamic memory)

Found API chain indicative of debugger detection

Found stalling execution ending in API Sleep call

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

84%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d/

Threat name:

Win32.Malware.Heuristic

Status:

Malicious

First seen:

2025-06-13 05:40:44 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2ipxpg22n54244rrbs4o64degupacri2arbvkwkdptoszy256agq._file

Verdict:

malicious

Label(s):

winos

Similar samples:

error

ValleyRAT

Result

Malware family:

valleyrat_s2

Score:

10/10

Tags:

family:valleyrat_s2 backdoor discovery

Link:

https://tria.ge/reports/250613-mranlahm8v/

Behaviour

System Location Discovery: System Language Discovery

ValleyRat

Valleyrat_s2 family

Malware Config

C2 Extraction:

43.230.169.98:80
43.230.169.99:8080

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/2e60c761-79f7-44dc-a53c-bb96864ea0f6

Unpacked files

SH256 hash:

d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d

MD5 hash:

4c778e37782ed41eda9dc9113411067f

SHA1 hash:

206a7d1eb9c7586d1c2058e6cd4e089f2ded7f96

Link:

https://www.unpac.me/results/712c3347-304f-4572-8a2a-04948fa42670/

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/d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d

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

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

File information

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

Web download

ValleyRAT

exe d21f779b5a6f79ae72310cb8ef7064351e01451a04435559437cdd2ce35df00d

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3561748/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/9316/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::SetConsoleCtrlHandler
WIN_USER_API	Performs GUI Actions	USER32.dll::CreateWindowExW

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