MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261. 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 25 File information Comments

SHA256 hash:	a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261
SHA3-384 hash:	840a9b7b6dd583f779081b7f5483fbcf44221b4a445a942c4a6d07a7944e96c72378d82dc98b147d8243fad5377778a1
SHA1 hash:	cd7f217aa7c2c73115e75506a4c17e308e9db7f5
MD5 hash:	6c570b99a1aa74894e5af1a73b6791eb
humanhash:	paris-aspen-april-may
File name:	6c570b99a1aa74894e5af1a73b6791eb.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	3'092'480 bytes
First seen:	2025-07-05 04:15:39 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 71 x Vidar, 41 x LummaStealer)
ssdeep	49152:VrC5NvIJwPf2fjJN/3aluWEB2IxdChULI7NHZQB8DzXH403vdc:VCsB3uh/HZBH3F3vd
Threatray	1 similar samples on MalwareBazaar
TLSH	T1EFE5AE077CD118BBD0AA93328AB652A23B75BC450F3263DB2A90B73C2F73AD45935754
TrID	44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	exe RAT ValleyRAT

abuse_ch

ValleyRAT C2:
43.225.58.132:9527

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
43.225.58.132:9527	https://threatfox.abuse.ch/ioc/1553600/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

rl_a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261

Verdict:

Malicious activity

Analysis date:

2025-07-05 04:28:58 UTC

Tags:

auto-reg golang

Link:

https://app.any.run/tasks/8112ef3c-9f32-42b2-be62-0426e8335539

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/12398/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6868a714900df8e7f866f8d7

Tags:

dropper emotet virus

Result

Verdict:

Suspicious

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:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm go golang packed packed packer_detected

Link:

https://www.filescan.io/uploads/6868a71f9db85bde254b80ed/reports/46b4529e-d9c3-472a-affa-fde206fd0476/overview

Verdict:

Malicious

Labled as:

WinGo/Kryptik_AGeneric.C trojan

Link:

https://www.hybrid-analysis.com/sample/a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/c402e81f-c7bd-4235-b525-d0998978c0a2

Result

Threat name:

ValleyRAT

Detection:

malicious

Classification:

troj.spyw.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1729084

Signature

Contains functionality to capture and log keystrokes

Contains functionality to inject code into remote processes

Contains functionality to inject threads in other processes

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Found direct / indirect Syscall (likely to bypass EDR)

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

Found stalling execution ending in API Sleep call

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Potentially malicious time measurement code found

Suricata IDS alerts for network traffic

Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)

Yara detected ValleyRAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) Win 64 Exe x64

Link:

https://app.malva.re/file/6c570b99a1aa74894e5af1a73b6791eb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261/

Threat name:

Win64.Trojan.Donut

Status:

Malicious

First seen:

2025-07-01 16:04:00 UTC

File Type:

PE+ (Exe)

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ul2nnrxlr3wwfi43ovxsxqnjnuweuvr5lwicnyjpizhylyyuwjqq._file

Verdict:

malicious

Label(s):

valleyrat

donut_injector

Similar samples:

error

ValleyRAT

Result

Malware family:

n/a

Score:

6/10

Tags:

persistence ransomware

Link:

https://tria.ge/reports/250705-evwq8ssxht/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Adds Run key to start application

Enumerates connected drives

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c8c0463a-6571-4303-b5dd-a8d34560465d

Unpacked files

SH256 hash:

a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261

MD5 hash:

6c570b99a1aa74894e5af1a73b6791eb

SHA1 hash:

cd7f217aa7c2c73115e75506a4c17e308e9db7f5

Link:

https://www.unpac.me/results/eba5cb77-7fa9-46d2-a97e-f9ff37f37fb1/

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

Threat name:

Suspicious File

Score:

0.56

Link:

https://yomi.yoroi.company/submissions/a2f4d6c6eb8eed62a39b756f2bc1a96d2c4a563d5d9026e12f464f85e314b261

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:	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:	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:	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_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(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

Rule name:	Windows_Trojan_Winos_464b8a2e 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/12398/

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

Reviews

ID	Capabilities	Evidence
DNS_METHODS	Performs DNS calls	vendor/golang.org/x/net/dns/dnsmessage.init vendor/golang.org/x/net/dns/dnsmessage::inittask vendor/golang.org/x/net/dns/dnsmessage.classNames vendor/golang.org/x/net/dns/dnsmessage.rCodeNames vendor/golang.org/x/net/dns/dnsmessage.sectionNames
FILE_IO_READ	Can Read Files	embed.FS.ReadFile os.readlink
FILE_IO_WRITE	Can Create and Remove Files	os.newFile os.newFileStatFromGetFileInformationByHandle

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