MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef. 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: 7

Intelligence 7 IOCs YARA 24 File information Comments

SHA256 hash:	aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef
SHA3-384 hash:	b91a4ce9a9ab6c2e0cc62273a66c37d01b40d2adba6142d3acbaff7a2ef0afb39ee460a270c6d7efcbfa49c7e38e6bf8
SHA1 hash:	5119e15cc4e00eaece12898300bfcc239d88d46c
MD5 hash:	e8cbfe7bfce42787ef7810aaffd1fdd8
humanhash:	bluebird-kansas-don-earth
File name:	installer_r2.0.18.exe
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	31'746'464 bytes
First seen:	2026-09-06 22:26:40 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	c329cfdce996b315359260e710fbdc76 (6 x ValleyRAT, 3 x SliverFox)
ssdeep	98304:7ClvSImXQ9EkE6uzJdQ2Orf8wsGF4tVjibVpOMOaci583EGsGFCJNlvj:GlvSIkQu5TcT4PILhAxTCxvj
TLSH	T1EE67EA46B605C98AE0265274D8878FF4A722ECB1C6B1976733A93F1D7FFA30C4E92454
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	Ling
Tags:	exe SilverFox Trojan/SilverFox.bm[lddel] ValleyRAT

CNGaoLing

Trojan/SilverFox.bm[lddel]
IOC (Domain wibxgl.net) (Domain 02bbe6.oss-cn-beijing.aliyuncs.com) (Domain mm2027.oss-cn-hangzhou.aliyuncs.com)

Intelligence

File Origin

# of uploads :

# of downloads :

177

Origin country :

Vendor Threat Intelligence

No detections

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm base64 CAB evasive expired-cert installer invalid-signature microsoft_visual_cc packed reconnaissance signed

Link:

https://www.filescan.io/uploads/6a9de8c12917a9e93d2bcfb8/reports/3bd9ffc8-f9a3-4250-b02a-3d917a4120a4/overview

Verdict:

Malicious

Labled as:

Trojan/Injector.e

Link:

https://www.hybrid-analysis.com/sample/aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-06T16:59:00Z UTC

Last seen:

2026-09-06T20:40:00Z UTC

Hits:

~10

Detections:

HEUR:Trojan-Dropper.Win32.Generic

Link:

https://opentip.kaspersky.com/aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef/results?tab=lookup

Score:

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef

Gathering data

Threat name:

Win64.Backdoor.Generic

Status:

Suspicious

First seen:

2026-09-06 22:27:41 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 38 (42.11%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vkxv3jymbgewufjhw6zsul46yiqyjof5wlgkesfmzveeslukdtxq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

defense_evasion discovery execution exploit persistence privilege_escalation trojan

Link:

https://tria.ge/reports/260906-2c7gca1yev/

Behaviour

Modifies Control Panel

Modifies registry class

Runs net.exe

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System policy modification

Uses Task Scheduler COM API

Enumerates physical storage devices

Event Triggered Execution: Screensaver

Executes a command shell one-liner

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Launches sc.exe

Drops file in System32 directory

Adds Run key to start application

Indicator Removal: Clear Persistence

Checks computer location settings

Disables service(s)

Executes dropped EXE

Loads dropped DLL

Modifies file permissions

Command and Scripting Interpreter: PowerShell

Drops file in Drivers directory

Possible privilege escalation attempt

UAC bypass

Windows security bypass

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/aaaf5da70c09/report/overview.html

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

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:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

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:	grakate_stealer_nov_2021 Create hunting rule

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

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:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

ValleyRAT

exe aaaf5da70c09896a1527b7b32a2f9ec22184b8bdb2cca248accd48492e8a1cef

(this sample)

Delivery method

Distributed via web download

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