MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692. 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 1 YARA 34 File information Comments

SHA256 hash:	37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692
SHA3-384 hash:	6d92e78e08aeae68ac75d66e0af6d1b9dd0fcfcc4351c3ba1fef6d406b93d907b043f29f8228c1f33d966e6c4ceef7ee
SHA1 hash:	c3129d04b62a65c51c463927675abd458df08d96
MD5 hash:	23b1bcd605a8e8411d355dbde1f10ffc
humanhash:	ceiling-equal-louisiana-diet
File name:	37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a395.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	5'728'792 bytes
First seen:	2025-10-28 16:35:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1a733893f17330a2cd9cefe59730b35c (1 x ValleyRAT)
ssdeep	49152:G/o1kQ4Ya53oWfZi2bhTljGZAfaRIxmIx2Ir0023ta9Wox+kxub7VBsUDx:G4mwCiRIxmIx2Ir0023taWkUb7VBTDx
Threatray	7 similar samples on MalwareBazaar
TLSH	T1AB460812F9A50EEEC76052358AEE16862374FC041F37A7971E06763CBD7329A9E34391
TrID	41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	abuse_ch
Tags:	108-187-7-240 DONGQI-TRADE-LIMITED exe RAT signed ValleyRAT

Code Signing Certificate

Organisation:	DONGQI TRADE LIMITED
Issuer:	DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:	sha256WithRSAEncryption
Valid from:	2025-10-10T00:00:00Z
Valid to:	2026-10-09T23:59:59Z
Serial number:	0b88e4d595e84a1c9d96733ef7de5546
Intelligence:	5 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Graveyard Blocklist:	This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:	SHA256
Thumbprint:	2cd820f8b3468823cd56b158f423781b678b2991c8325181816d933ea22b3cbe
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

abuse_ch

ValleyRAT C2:
108.187.7.240:443

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
108.187.7.240:443	https://threatfox.abuse.ch/ioc/1628135/

Intelligence

File Origin

# of uploads :

# of downloads :

137

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a395.exe

Verdict:

Malicious activity

Analysis date:

2025-10-28 16:37:16 UTC

Tags:

auto-reg payload valley winos rat silverfox valleyrat golang

Link:

https://app.any.run/tasks/6a166387-874e-4638-8867-fdd89502d7e2

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/34527/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6900f103706befaf4ec9b55d

Tags:

injection dropper obfusc nemty

Result

Verdict:

Clean

Maliciousness:

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug anti-vm crypto golang overlay overlay packed signed

Link:

https://www.filescan.io/uploads/6900f0fdf1fa8cbc031068f7/reports/8466a7f0-c849-4f4a-bdff-84f55865ca22/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692

Verdict:

Malicious

File Type:

exe x64

First seen:

2025-10-26T17:34:00Z UTC

Last seen:

2025-10-27T02:36:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/9ecad012-5b6a-467b-8b04-63d9421e4188

Result

Threat name:

ValleyRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1803370

Signature

C2 URLs / IPs found in malware configuration

Contains functionality to capture and log keystrokes

Contains functionality to inject code into remote processes

Contains functionality to inject threads in other processes

Creates multiple autostart registry keys

Detected unpacking (creates a PE file in dynamic memory)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected ValleyRAT

Behaviour

Behavior Graph:

Download SVG

Score:

69%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692

Verdict:

inconclusive

YARA:

7 match(es)

Tags:

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

Link:

https://app.malva.re/file/23b1bcd605a8e8411d355dbde1f10ffc

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692/

Verdict:

Malicious

Threat:

Backdoor.Win32.Xkcp

Link:

https://tip.neiki.dev/file/37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692

Threat name:

Win64.Backdoor.Valleyrat

Status:

Malicious

First seen:

2025-10-26 22:27:41 UTC

File Type:

PE+ (Exe)

AV detection:

9 of 24 (37.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g7jh7sjtn7j7rt7hvirfb4aojzqtecxpri4vileow6nikmkq42ja._file

Verdict:

malicious

Label(s):

valleyrat

ValleyRAT

cf2079cf272342785f58c393d5013ec99184324549f93c144f79564d106d5e98

ValleyRAT

e5b3356ca4652e89f50cec0f307ca8320315a9a5bcedec31a2b8fbf193089fc2

ValleyRAT

error

ValleyRAT

f94f93b481fe7819ff46614f0025eb661bb863b9579958c3b408fdf941ad2efc

ValleyRAT

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/251028-t39qdsxpdp/

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/5f92855c-5ba6-4206-8a6e-8244b517019e

Unpacked files

SH256 hash:

37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692

MD5 hash:

23b1bcd605a8e8411d355dbde1f10ffc

SHA1 hash:

c3129d04b62a65c51c463927675abd458df08d96

Link:

https://www.unpac.me/results/f26ebd16-cfca-44d8-bc88-5382b60ca90d/

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/37d27fc9336f/report/overview.html

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

Threat name:

Backdoor

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692

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:	Check_OutputDebugStringA_iat Create hunting rule

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__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

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

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:	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:	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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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

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

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

Rule name:	Windows_Generic_Threat_3055c14a Create hunting rule
Author:	Elastic Security

File information

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

Cape

https://www.capesandbox.com/analysis/34527/

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