MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78. 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 31 File information Comments

SHA256 hash:	4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78
SHA3-384 hash:	900494a240f5d132de11fed0bef2606f969a9a24430f5f34453f4fc6b0f80d036225b633a840a8271800261a26527228
SHA1 hash:	5d4bb34cf02b2cb5c84c2ef12c207f5e0c28aed8
MD5 hash:	ea40f63e55f4a060a2726113177a53a8
humanhash:	triple-alaska-arkansas-oven
File name:	EA40F63E55F4A060A2726113177A53A8.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	6'102'584 bytes
First seen:	2025-10-20 16:40:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1aae8bf580c846f39c71c05898e57e88 (137 x LummaStealer, 18 x ValleyRAT, 16 x SalatStealer)
ssdeep	98304:vI6IIL0K1OcNcB1BNtvJlzS7YGxvSDQHpMt3HYl4QIGsla3bF:LLvOcat/kYGbQHynFso3x
Threatray	2'122 similar samples on MalwareBazaar
TLSH	T1A156F000FD8BA6F2E502223516AB62AFA721AC041F358EDBE6407B7DBD772D10937745
TrID	39.5% (.EXE) InstallShield setup (43053/19/16) 28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.6% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe RAT ValleyRAT

abuse_ch

ValleyRAT C2:
1.13.19.92:9527

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
1.13.19.92:9527	https://threatfox.abuse.ch/ioc/1618523/

Intelligence

File Origin

# of uploads :

# of downloads :

128

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

EA40F63E55F4A060A2726113177A53A8.exe

Verdict:

Malicious activity

Analysis date:

2025-10-20 16:44:58 UTC

Tags:

auto-reg golang valley rat

Link:

https://app.any.run/tasks/42cf0c85-ac3c-42b0-ab38-83641181b84a

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/33514/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68f66619ad6ce0f5ad400bfa

Tags:

downloader dropper emotet virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sending a custom TCP request

Сreating synchronization primitives

Creating a window

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

Verdict:

Malicious

Labled as:

WinGo/Kryptik_AGeneric.C trojan

Link:

https://www.hybrid-analysis.com/sample/4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-10-16T15:59:00Z UTC

Last seen:

2025-10-20T17:43:00Z UTC

Hits:

~100

Detections:

Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Win32.Xkcp.a Backdoor.Agent.TCP.C&C Trojan.Win32.Shellcode.gjw Trojan-Downloader.Win32.Gomal.sb Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sb

Link:

https://opentip.kaspersky.com/4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/0dcbbd95-6f66-4ad5-ba89-04f0a3386e52

Result

Threat name:

ValleyRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1798556

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

Delayed program exit found

Detected unpacking (creates a PE file in dynamic memory)

Found evasive API chain (may stop execution after checking mutex)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Suricata IDS alerts for network traffic

Yara detected ValleyRAT

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78

Verdict:

inconclusive

YARA:

7 match(es)

Tags:

Executable Html PE (Portable Executable) PE File Layout Win 32 Exe x86

Link:

https://app.malva.re/file/ea40f63e55f4a060a2726113177a53a8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78/

Verdict:

Malicious

Threat:

Trojan.Win32.Shellcode

Link:

https://tip.neiki.dev/file/4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2025-10-18 01:06:00 UTC

File Type:

PE (Exe)

Extracted files:

175

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=igmlt5r4muyr7zr4g5djx26qbboiynemsr7kilzqgbtznui6554a._file

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery persistence

Link:

https://tria.ge/reports/251020-t6z1csck91/

Behaviour

System Location Discovery: System Language Discovery

Adds Run key to start application

Unpacked files

SH256 hash:

4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78

MD5 hash:

ea40f63e55f4a060a2726113177a53a8

SHA1 hash:

5d4bb34cf02b2cb5c84c2ef12c207f5e0c28aed8

Link:

https://www.unpac.me/results/cbe05c0a-34a4-4bcc-aa7d-6f8c53ba9352/

Malware family:

ValleyRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4198b9f63c65/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/4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78

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:	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:	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:	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:	INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess Create hunting rule
Author:	ditekSHen
Description:	Detects executables calling ClearMyTracksByProcess

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:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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_4b0b73ce Create hunting rule
Author:	Elastic Security

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

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/33514/

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